How to Use the Medicare Plan Finder Tool in 2026: A Step-by-Step Guide

How to Use the Medicare Plan Finder Tool in 2026: A Step-by-Step Guide

What if the tool designed to save you money is actually costing you more because you don’t know how to use it correctly? That’s a harder question than it sounds, and it’s exactly why so many people feel a knot in their stomach every time they open the Medicare Plan Finder website.

You’re not alone in that feeling. Staring at a long list of plans, wondering if you entered your prescriptions correctly, and trying to make sense of 2026 coverage changes that nobody explained to you — that’s genuinely stressful. It makes complete sense that you’d want a clear, calm walkthrough before you commit to anything.

That’s precisely what this guide delivers. Learning how to use the Medicare Plan Finder tool the right way means more than just clicking through screens. It means walking away with a shortlist of plans you can actually trust, confidence that your doctors and medications are covered, and the peace of mind that you’re not overpaying by a single dollar. We’ll take you through each step, one at a time, so nothing gets missed and nothing feels overwhelming.

Key Takeaways

  • Learning how to use the Medicare Plan Finder tool correctly — not just casually — is the difference between finding a plan that truly fits your life and overpaying for one that doesn’t.
  • The tool’s “Total Yearly Cost” figure is the single most important number to focus on when comparing 2026 plans, because monthly premiums alone can be deeply misleading.
  • Small input mistakes, like skipping your prescriptions or using Guest Search with a complex medication history, can quietly send you toward the wrong plan entirely.
  • Your doctors and your specific drug dosages must be verified inside the plan itself — the Plan Finder gives you a starting point, not a final answer.
  • When the tool feels like too much, an independent broker with access to 40+ carriers can review your results with you and catch what an algorithm simply cannot.

What is the Medicare Plan Finder Tool and Why Does it Matter in 2026?

The Medicare Plan Finder is the official online portal built and maintained by the Centers for Medicare and Medicaid Services (CMS). Its entire purpose is to give you one place where you can compare Medicare Advantage plans, Part D prescription drug plans, and Medigap options side by side, using your actual location, your actual medications, and your actual doctors. It’s free, it’s government-run, and it’s available at medicare.gov any time you need it.

That definition sounds simple enough. But here’s what most people don’t realize: the tool is only as useful as the information you put into it. Used correctly, it becomes one of the most powerful consumer tools in the entire healthcare space. Used casually, it can quietly point you toward a plan that looks affordable on the surface but costs you far more over the course of a year. Learning how to use the Medicare Plan Finder tool with intention, not just curiosity, is what separates a confident enrollment decision from a stressful one.

The 2026 Annual Enrollment Period runs from October 15 through December 7. Any plan you choose during that window takes effect January 1, 2026. That timeline matters because 2026 brings meaningful changes to Medicare coverage, particularly around Part D prescription costs, and the Plan Finder has been updated to reflect those changes. If you’re relying on last year’s research or a plan you’ve had for several years without reviewing it, you may be working from an outdated picture.

New Features for the 2026 Enrollment Season

CMS has made notable improvements to the Plan Finder interface for 2026. The mobile experience has been redesigned so the tool is genuinely usable on a phone or tablet, not just a desktop. The “Find a Provider” integration is more tightly connected to plan results, making it easier to check whether your specific doctors are in-network before you commit. Perhaps most significantly, the tool now reflects the 2026 Part D out-of-pocket spending structure, including the updated cap that limits how much you pay for covered drugs in a given year. This is a real change that affects how drug costs are displayed and compared across plans, so it’s worth understanding before you start filtering results.

Guest Search vs. Logged-In Search: Which is Best?

When you arrive at the Plan Finder, you’ll have two options: search as a guest or log in through your MyMedicare.gov account. Guest Search is fast and anonymous. It gives you a general sense of what’s available in your zip code without requiring any personal information. For a quick first look, it works fine.

But if you want numbers you can actually trust, logging in is the better path. A logged-in search pulls in your Medicare ID, your existing coverage details, and your prescription history from Medicare’s records. That means the cost estimates you see are calculated against your real medication list, not a generic placeholder. When you’re trying to figure out how to use the Medicare Plan Finder tool to make a real decision, that level of accuracy isn’t optional. It’s essential.

If setting up a MyMedicare.gov account feels like one more thing to figure out, you’re not alone. An independent broker who works with 40 or more carriers, like the team at The Modern Medicare Agency, can walk through those results with you and make sure nothing important slips through the cracks.

Step-by-Step: How to Use the Medicare Plan Finder Tool

Open your browser and go directly to Medicare.gov. Don’t use a search engine link or a third-party site that mimics the interface. The official government portal is the only place where the data is current, accurate, and tied to real 2026 plan filings. Once you’re there, look for the “Find health and drug plans” option on the homepage. That’s your starting point.

Before anything else, confirm you’re viewing 2026 plans. The tool defaults to the current plan year, but during the transition period around Open Enrollment, it’s easy to accidentally compare 2025 data. Check the year displayed at the top of your results screen before trusting any numbers.

Next, enter your ZIP code. This single field shapes everything that follows. Medicare plans are filed at the county level, so two people in neighboring ZIP codes can see completely different plan options and pricing. Enter yours carefully, and double-check it before moving forward.

Once you’ve confirmed your location, select your plan type. You’ll choose between Medicare Advantage (Part C), Part D drug plans, or Medigap. If you’re unsure which category fits your situation, the Medicare Advantage guide and the Part D overview at Paul Barrett’s site can help you sort that out before you go further.

Don’t skip the “Help with Costs” section. This is where the tool asks whether you qualify for programs like Extra Help (also called the Low Income Subsidy). If you do qualify, the cost estimates you see for Part D plans will reflect your actual subsidized costs, not the standard pricing. Skipping this step when you’re eligible means every number you see afterward is wrong for your situation.

Entering Your Prescription Drugs Accurately

This step is where most people make quiet, costly mistakes. Use the “Find My Prescriptions” feature to search each medication by name. When the results appear, select the exact formulation, dosage strength, and package size your doctor prescribed. A 10mg tablet taken once daily and a 20mg tablet taken every other day may have the same active ingredient but very different costs across plans. Choose the right package size and frequency, then click “Save and Add” to build your complete medication list before comparing any plan results.

Selecting Your Preferred Pharmacies

Pharmacy choice is one of the most underestimated cost factors in the entire comparison process. The same plan can price the same drug very differently depending on where you fill it. The Plan Finder lets you add up to five pharmacies, including local retail locations and mail-order options, so you can see side-by-side cost differences for your specific medications.

Pay close attention to the “Preferred Pharmacy” tag in 2026 results. Plans negotiate lower cost-sharing rates with certain pharmacies, and filling at a preferred location can reduce your out-of-pocket drug costs meaningfully over a full year. If your usual pharmacy doesn’t carry that tag, it’s worth checking whether a nearby alternative does before you finalize anything.

If building out this list feels tedious or you’re unsure whether your inputs are accurate, that’s a reasonable moment to get a second set of eyes. An independent broker with access to 40 or more carriers can review your Plan Finder results and confirm you haven’t missed anything that matters.

Deciphering the Results: How to Compare Plans for 2026

Once your medications and pharmacies are saved, the Plan Finder generates a list of available plans. That list can feel overwhelming at first glance. The key is knowing exactly where to look and what to ignore.

Start with the “Sort By” dropdown at the top of your results. Change it to Lowest Drug + Premium Cost. This setting reorders plans based on the combined weight of your monthly premium and your estimated annual drug costs, which is a far more honest ranking than sorting by premium alone. A plan with a $0 premium and high drug costs will consistently beat a plan with a modest premium and low drug costs in a premium-only sort. That’s a trap. Sorting by drug plus premium cost helps you avoid it.

The single most important number on your results screen is the Total Yearly Cost figure. This is the metric that actually reflects what you’d pay across a full year: premiums, drug copays, deductibles, and other cost-sharing combined into one estimate. Monthly premiums are attention-grabbing, but they’re only one piece of the picture. Two plans with identical $45 monthly premiums can differ by hundreds of dollars annually once your specific medications are factored in. When you’re learning how to use the Medicare Plan Finder tool to make a real decision, Total Yearly Cost is the number to anchor every comparison around.

Don’t stop at the summary card. Click the “Plan Details” link for any plan that interests you. Inside, you’ll find a direct link to the plan’s provider directory, where you can confirm whether your specific doctors are listed as in-network. The tool gives you a starting point, but verifying your physician’s participation directly inside the plan’s own directory is the step that protects you from a costly surprise later.

Pay attention to Medicare Star Ratings in the 2026 results. CMS rates plans on a scale of one to five stars based on quality measures including customer service, member experience, and how well plans manage chronic conditions. A plan rated four stars or higher has demonstrated consistent performance. A plan rated below three stars is worth approaching carefully, regardless of how low its Total Yearly Cost appears.

Understanding the 2026 Part D Spending Cap

One of the most significant changes reflected in the 2026 Plan Finder results is the updated Part D out-of-pocket structure. Under 2026 rules, your out-of-pocket spending on covered drugs is capped at $2,000 for the year. The Plan Finder calculates your estimated costs with this cap applied, which means the Total Yearly Cost figure you see already accounts for the point at which your drug costs stop. To see how each of your medications is categorized, look for the Drug Tier column inside a plan’s detail page. Tier placement determines your copay or coinsurance rate for each drug, and a medication landing on Tier 3 versus Tier 2 can meaningfully shift your annual total. For a deeper explanation of how Part D cost structures work, the Medicare Part D overview is a helpful resource to read alongside your Plan Finder results.

Evaluating Medicare Advantage Extra Benefits

If you’re comparing Medicare Advantage plans, the summary card only tells part of the story. Click into the “Plan Benefits” tab inside the plan’s detail page to find the full picture of supplemental coverage. This is where you’ll see specifics on dental, vision, and hearing benefits, including annual allowances, covered services, and any network restrictions that apply. These benefits vary considerably from plan to plan, and a plan with a strong dental allowance can represent real value if you have regular dental needs. The Medicare Advantage Plans Guide walks through how to weigh these extras against core coverage so you’re not distracted by benefits you won’t actually use.

If any part of this comparison process feels uncertain, that’s a reasonable signal to bring in a second perspective. An independent broker with access to 40 or more carriers, like the team at The Modern Medicare Agency, can review your Plan Finder results and confirm that what you’re seeing reflects your actual situation, not just a close approximation of it. Knowing how to use the Medicare Plan Finder tool is genuinely useful; having someone experienced verify your conclusions is what turns a good decision into a confident one.

How to Use the Medicare Plan Finder Tool in 2026: A Step-by-Step Guide

Knowing how to use the Medicare Plan Finder tool is one thing. Knowing where people quietly go wrong is what actually protects you. The mistakes that cost people the most money aren’t dramatic errors. They’re small, easy-to-miss missteps that look completely fine on the surface.

Here are the ones worth watching for:

  • Using Guest Search with a complex medication history. If you take more than two or three prescriptions, Guest Search simply doesn’t have access to your real drug records. It relies entirely on what you manually enter, and a single missed medication or wrong dosage can make an expensive plan look like the cheapest option on the list. Log in. The accuracy difference is significant.
  • Assuming your doctor is covered without checking. The Plan Finder summary card may show a plan that looks like a strong match, but it doesn’t confirm your specific physician’s network status. You have to click through to the plan’s own provider directory and search your doctor’s name directly. A plan that doesn’t include your primary care physician isn’t a bargain at any price.
  • Skipping the mail-order pharmacy column. Many people fill prescriptions at a local retail pharmacy out of habit. But for maintenance medications you take every month, mail-order pricing through a plan’s preferred pharmacy can reduce your annual drug costs noticeably. The comparison column is right there in your results. Don’t scroll past it.
  • Treating your first search as your final answer. CMS updates Plan Finder data on a weekly basis. If you did your research in mid-October and you’re enrolling in late November, log back in and re-run your search. Plan details, formulary changes, and pharmacy tier designations can shift between your first look and your enrollment date.

Why Your ZIP Code Changes Everything

Medicare plans are approved at the county level, not the state level. Two neighbors in the same city but different ZIP codes can see completely different plan options, different premiums, and different provider networks. Enter your ZIP code carefully, and if you split your time between two locations, such as spending winters in Florida and summers in New York, you’ll want to run searches in both locations before deciding. Some Medicare Advantage plans restrict coverage to a defined service area, which matters a great deal if you’re regularly in two states. The Medicare Eligibility guide covers the rules around coverage when you move or maintain multiple residences.

The Importance of the Star Rating in 2026

Star Ratings measure quality, not cost. A plan can carry a low premium and a low Star Rating simultaneously, which means you’re trading reliability for short-term savings. Plans rated below three stars have shown consistent performance issues across member satisfaction, chronic condition management, or customer service metrics. That’s a real flag worth taking seriously.

On the other end of the scale, a five-star plan carries a meaningful benefit that most people don’t know about: it qualifies you for a Special Enrollment Period. That means you can switch into a five-star plan at any point during the year, outside of the standard October 15 to December 7 window. That kind of flexibility has genuine value if your circumstances change mid-year.

If you’ve run your search and you’re still unsure whether your results reflect your real situation, that’s not a sign you’re doing something wrong. It’s a reasonable moment to bring in a second perspective. An independent broker with access to 40 or more carriers can review your Plan Finder results, confirm your inputs are accurate, and catch what an algorithm simply can’t. Talk to an independent Medicare broker before you finalize anything.

When the Tool is Not Enough: Getting Human Guidance

The Medicare Plan Finder is genuinely useful. But it’s still an algorithm. It can calculate your estimated drug costs, sort plans by Total Yearly Cost, and flag whether a pharmacy is preferred. What it can’t do is understand that you’ve been seeing the same cardiologist for twelve years, that you’re managing three chronic conditions at once, or that you’re quietly worried about what happens if your health changes mid-year. That context matters. And no dropdown menu captures it.

Knowing how to use the Medicare Plan Finder tool correctly gets you most of the way there. But “most of the way” isn’t the same as confident. If you’ve run your search and something still feels uncertain, that’s not a flaw in your thinking. It’s a signal that a real conversation would serve you better than another hour of clicking through plan details.

Why The Modern Medicare Agency is Different

Paul Barrett and the team at The Modern Medicare Agency work independently. That means they’re not tied to any single insurance company and they don’t have a quota pushing them toward one plan over another. With access to more than 40 carriers, they can look at your Plan Finder results alongside the full market and tell you honestly whether what you found is the right fit or whether something better exists that the tool didn’t surface prominently.

The service costs you nothing. Independent brokers are compensated by the insurance carriers, not by the people they help. So you get a thorough, unbiased review of your options without paying a fee for it. And the relationship doesn’t end at enrollment. Year-round support means that if your prescriptions change, your doctor leaves a network, or a better plan becomes available during a Special Enrollment Period, you have someone to call who already knows your situation.

Your Next Steps for a Stress-Free 2026

Here’s a simple path forward. Start by running a preliminary search on the Plan Finder at medicare.gov using the steps covered in this guide. Log in with your MyMedicare.gov account, enter your medications accurately, add your preferred pharmacies, and note the Total Yearly Cost figures for your top two or three plans.

Then bring those results to a consultation. Before that conversation, it helps to have the following ready:

  • A current list of all your prescriptions, including dosage and frequency
  • The names of your primary care physician and any specialists you see regularly
  • Your preferred pharmacy or pharmacies
  • Any upcoming procedures or treatments you know are planned for 2026
  • Questions about benefits you’re not sure you understand, like dental allowances or out-of-pocket caps

That’s it. You don’t need to have all the answers before you reach out. You just need a starting point, and you already have one.

Let us help you find your perfect plan for 2026. You’ve done the research. Now let someone who knows this landscape inside out make sure your conclusions are right.

You’re Closer to the Right Plan Than You Think

Knowing how to use the Medicare Plan Finder tool correctly puts you ahead of most people who simply guess their way through enrollment. You now understand why Total Yearly Cost matters more than the monthly premium, why logging in beats Guest Search for accuracy, and why verifying your doctors directly inside a plan’s provider directory is non-negotiable.

That’s real progress. But the final step isn’t another search. It’s a conversation with someone who can confirm your conclusions are right.

Paul Barrett and the team at The Modern Medicare Agency offer free, unbiased plan comparisons across 40+ top insurance carriers. There’s no pressure, no hidden fees, and no agenda beyond finding what genuinely fits your life in 2026. They’ve helped people in exactly your position move from uncertain to confident, and they can do the same for you.

Get a reassuring expert review of your 2026 options and walk into enrollment knowing you’ve made the right call.

Frequently Asked Questions About the Medicare Plan Finder Tool

Can I use the Medicare Plan Finder tool without a MyMedicare account?

Yes, you can use Guest Search without creating an account. It lets you browse plans available in your ZIP code and get a general sense of what’s out there. That said, Guest Search doesn’t have access to your actual prescription history or Medicare records, so the cost estimates it generates are based entirely on what you manually enter. For anyone with more than a couple of medications, that gap in accuracy can quietly lead you toward the wrong plan.

Is the information on the Medicare Plan Finder tool always accurate for 2026?

The data comes directly from CMS and reflects what insurance carriers have officially filed for 2026, so it’s as accurate as the source allows. The important caveat is that formularies, pharmacy tier designations, and provider network details can change during the plan year. The Plan Finder gives you a strong starting point, but confirming your doctor’s network status and your drug’s tier placement directly with the plan before enrolling is always the smarter final step.

How often is the plan data updated on the official website?

CMS updates Plan Finder data on a weekly basis during the Annual Enrollment Period. That matters more than most people realize. If you ran your search in early October and you’re enrolling in late November, plan details you saw the first time around may have shifted. Running a fresh search closer to your enrollment date takes only a few minutes and protects you from making a decision based on outdated numbers.

Can I enroll in a plan directly through the Plan Finder tool?

Yes, the Medicare Plan Finder does include an online enrollment option for many Medicare Advantage and Part D plans. You can click through from a plan’s detail page and complete enrollment on the spot. That said, enrolling before you’ve verified your doctor’s network status and confirmed your drug tier placements is a step worth pausing on. Completing those checks first, or reviewing your choice with an independent broker, means you’re enrolling with confidence rather than assumption.

What should I do if my doctor is not listed in the tool results?

Don’t treat the Plan Finder’s summary results as the final word on network status. Click through to the plan’s own provider directory and search your doctor’s name directly. If they still don’t appear, call the plan’s member services line to confirm before enrolling. A doctor who isn’t in-network means you’d pay out-of-network rates, which can be significantly higher. An independent broker with access to 40 or more carriers can also help you identify plans where your physician is confirmed in-network.

How does the Plan Finder account for 2026 Part D drug cost changes?

Learning how to use the Medicare Plan Finder tool in 2026 means understanding that the Total Yearly Cost figures already reflect the updated Part D structure, including the $2,000 annual out-of-pocket cap on covered drugs. That cap is built into the cost calculations you see, so the estimates are more accurate than they were in prior years when the spending structure was different. You can see how individual medications contribute to that total by checking the Drug Tier column inside each plan’s detail page.

Can a Medicare broker see the same information I see on the Plan Finder?

Yes, an independent broker can access the same Plan Finder data you can, and they bring something the tool doesn’t: context. A broker who works across 40 or more carriers can look at your results alongside the broader market, catch input errors that skew your estimates, and identify plans the algorithm may not have surfaced prominently given your specific situation. The Modern Medicare Agency works this way, reviewing your Plan Finder results alongside your full picture to make sure the numbers reflect your real life, not just a close approximation of it.

Is there a cost to use the official government comparison tool?

The Medicare Plan Finder at medicare.gov is completely free to use. There’s no registration fee, no subscription, and no charge for running multiple searches. Similarly, working with an independent Medicare broker costs you nothing out of pocket. Brokers are compensated directly by the insurance carriers, so the guidance you receive, whether it’s a quick question or a thorough plan review, comes at no charge to you. You can use both resources together without any financial risk.

Paul Barrett

Article by

Paul Barrett

Paul Barrett, CMIP is the founder of The Modern Medicare Agency, an independent Medicare-only brokerage based in Melville, NY. With 18 years of Medicare-exclusive experience, a CMIP designation, and more than 5,000 clients served across 37 states, Paul is one of the most credentialed independent Medicare specialists on Long Island — and one of the most direct.

He represents 40+ carriers with no quotas and no allegiances, which means his recommendations are based entirely on what fits each client's specific situation. He is the author of Medicare Mastery Unlocked and host of the Wise Guys Retirement Talk podcast. His content is grounded in primary sources, real carrier intelligence, and 18 years of watching what happens when people get Medicare right — and when they don't.

📞 631-358-5793 | paulbinsurance.com

What Is Medicare Part B and What Does It Actually Cover?

The complete guide to Medicare’s medical insurance — every service it covers, exactly what it costs in 2026, how it works with group insurance and VA benefits, and the excess charges most people have never heard of until they get a surprise bill.

The Short Answer

Medicare Part B is medical insurance — it covers doctor visits, outpatient care, preventive services, durable medical equipment, and more. Unlike Part A, Part B is not premium-free for anyone: everyone pays a monthly premium (202.90in2026formostpeople),anannualdeductible(283), and 20% coinsurance on most covered services, with no yearly cap on that 20% under Original Medicare alone. Whether you need to enroll at 65, and whether delaying is safe, depends heavily on your employment status and your employer’s size — getting this wrong is one of the most consequential and permanent mistakes in all of Medicare.

Key Takeaways

  • Part B is never premium-free — everyone pays a monthly premium, and higher earners pay significantly more through IRMAA.
  • The 20% coinsurance under Original Medicare alone has no yearly cap — this is the single biggest financial risk in Medicare, and it’s the reason Medigap and Medicare Advantage exist.
  • Whether you can safely delay Part B without a penalty depends on your employer’s size: 20+ employees generally allows delay; fewer than 20 generally does not.
  • Missing your enrollment window triggers a permanent 10% penalty for every 12-month period you went without coverage.
  • Veterans can and generally should enroll in Part B even with VA benefits, since Medicare and VA coverage don’t coordinate — each only pays for care received within its own system.
  • “Excess charges” from non-participating providers can add up to 15% on top of what Medicare approves, and only some Medigap plans protect you from them.

What Part B Actually Covers

While Part A handles hospital room and board, Part B is the half of Original Medicare that covers medical care and most services delivered outside a hospital admission — doctor visits, outpatient procedures, and ongoing medical needs.

What’s covered

  • Doctor visits — primary care and specialists
  • Outpatient surgeries and procedures
  • Diagnostic lab work, X-rays, and MRIs
  • Emergency room visits
  • Ambulance services
  • Outpatient mental health care
  • Physical, occupational, and speech therapy
  • Chemotherapy and radiation received in an outpatient clinic
  • Durable Medical Equipment (DME) — wheelchairs, oxygen equipment, blood sugar monitors, walkers, and similar equipment
  • Ambulatory surgical center services

Preventive services: the part Medicare gets genuinely right

Most preventive services are covered at 100%, with no deductible and no copay, as long as your provider accepts Medicare assignment. This includes:

  • Your one-time “Welcome to Medicare” wellness visit, available within your first 12 months on Part B
  • Annual wellness visits after that
  • Flu shots and most other recommended vaccines
  • Mammograms
  • Colonoscopies and other cancer screenings
  • Diabetes and cardiovascular screenings
  • Many other screenings recommended by the U.S. Preventive Services Task Force

Paul’s Honest Take: This is one of the most underused parts of Medicare, full stop. I’ve had clients who paid for a private physical every year out of habit and never realized their annual wellness visit through Medicare was completely free. If you haven’t used your Welcome to Medicare visit or your annual wellness visit, that’s real value sitting on the table.

What’s NOT covered

  • Routine dental care — cleanings, fillings, dentures, extractions
  • Routine vision exams and eyeglasses
  • Hearing aids (though diagnostic hearing tests ordered by a doctor may be covered)
  • Long-term custodial nursing home care — help with daily living activities, as opposed to short-term skilled or medical care
  • Routine prescription drugs you pick up at a retail pharmacy — that’s Part D’s job, not Part B’s
  • Cosmetic surgery, unless medically necessary (such as reconstruction after an accident or mastectomy)
  • Most care received outside the United States, with very limited exceptions
  • Routine foot care, such as nail trimming, in the absence of a qualifying medical condition
  • Acupuncture, except for a narrow, specific chronic low back pain benefit
  • Concierge medicine fees and membership-style charges some practices add on top of standard care
  • Long-term care insurance-style services, including most home-based personal care that isn’t tied to a skilled medical need

Paul’s Honest Take: The dental and vision exclusions are the ones that surprise people most, especially since they’re such routine parts of healthcare for most adults. This is exactly why so many Medicare Advantage plans build dental, vision, and hearing benefits into their coverage — Original Medicare was simply never designed to include them, and that gap doesn’t go away on its own.

What Part B Costs in 2026

Part B has three separate cost components, and understanding all three matters:

Cost Component

2026 Amount

Standard monthly premium

$202.90

Annual deductible

$283

Coinsurance on most covered services

20%

The premium is deducted automatically from your Social Security check if you’re already collecting benefits. If you’re not yet collecting Social Security, you’ll receive a bill, typically every three months.

The deductible works differently than Part A’s — it’s a straightforward annual figure. You pay the first $283 of Medicare-approved outpatient costs each calendar year, and then Medicare’s cost-sharing kicks in.

The coinsurance is where the real risk lives. After your deductible is met, Medicare pays 80% of the Medicare-approved amount for most covered services, and you’re responsible for the remaining 20%. There is no yearly cap on this 20% under Original Medicare alone. If you have a $100,000 course of cancer treatment, your 20% share is $20,000 — unless you have a Medigap policy or Medicare Advantage plan absorbing that cost.

Paul’s Honest Take: I put this in bold because it’s genuinely the single most important number in this entire guide. That uncapped 20% is the whole reason Medigap and Medicare Advantage exist as products in the first place. Original Medicare by itself was never designed to protect you from a truly expensive year — it was designed to cover 80% of it and leave the rest to you.

IRMAA: What Higher Earners Actually Pay

If your income is above certain thresholds, you’ll pay more for Part B through the Income-Related Monthly Adjustment Amount (IRMAA) — based on your tax return from two years prior. For 2026, that means your 2024 income determines your premium tier.

2024 Income (Individual)

2024 Income (Married, Joint)

Total Part B / Month

$109,000 or less

$218,000 or less

$202.90

$109,001 – $137,000

$218,001 – $274,000

$284.10

$137,001 – $171,000

$274,001 – $342,000

$405.80

$171,001 – $205,000

$342,001 – $410,000

$527.50

$205,001 – $499,999

$410,001 – $749,999

$649.20

$500,000 and above

$750,000 and above

$689.90

At the top tier, you’re paying more than three times the standard premium. If your income has recently dropped — retirement, the loss of a spouse, or certain other life-changing events — you can appeal your IRMAA determination using Form SSA-44.

Do You Have to Enroll? And What Happens If You Don’t?

Technically, Part B is optional — Medicare won’t force you into it. But opting out without a valid alternative is genuinely risky, because of how the penalty structure works.

If you don’t sign up during your Initial Enrollment Period (the 7-month window around your 65th birthday) and you don’t have qualifying employer coverage, you’ll face a permanent 10% penalty added to your premium for every full 12-month period you went without Part B. That penalty doesn’t expire — you pay it for as long as you have Part B, which for most people means for the rest of your life.

Example: If you delayed enrollment by 24 full months without a valid exception, you’d pay an extra 20% on top of the standard $202.90 premium in 2026 — roughly $40.58 more, every month, permanently.

How Part B Works with Group Insurance

Just like Part A, whether you can safely delay Part B without penalty comes down to one specific number: how many employees your company has.

Companies with 20 or more employees: If you or your spouse are actively working and covered by a genuine group health plan, your workplace insurance is primary, and you can legally delay Part B without any penalty. When that employment or coverage eventually ends, you get an 8-month Special Enrollment Period to enroll in Part B penalty-free.

Companies with fewer than 20 employees: Medicare automatically becomes your primary insurer at 65, regardless of your employment status. You need to enroll in Part B right on schedule. If you don’t, your small employer’s plan can legally refuse to pay claims that Medicare should have covered first — potentially leaving you responsible for the full cost.

Paul’s Honest Take: I say this in nearly every guide I write, because it’s genuinely one of the costliest misunderstandings I encounter: “I have good coverage at work” and “I’m protected from Medicare’s enrollment deadlines” are two completely different statements, and whether the second one is true depends entirely on your employer’s size — not how generous the coverage feels. Confirm the actual employee count before you decide to delay anything.

Retiree Coverage Is Not the Same as Active Employer Coverage

This is a distinction that catches a genuinely large number of people off guard: the “20 or more employees” exception only applies to active employment. If you retire and your former employer offers you retiree health benefits — sometimes a genuinely good, comprehensive plan — that coverage does not create a Special Enrollment Period the way active group coverage does, and it does not exempt you from enrolling in Part B on time.

Paul’s Honest Take: I’ve seen this mistake more than once, and it’s an especially painful one because it happens to people who did everything right during their working years. Someone retires with a strong retiree health plan from a large employer, assumes it works the same way their active coverage did, and delays Part B — only to find out later that retiree coverage was never a valid reason to delay in the first place. The moment you stop actively working, that clock starts, regardless of how good your retiree plan looks on paper. If you’re retiring and keeping employer retiree benefits, treat enrolling in Part B as something to handle right on schedule, not something retiree coverage lets you postpone.

Why You Need Both Part A and Part B for Medigap or Medicare Advantage

Here’s a foundational requirement worth understanding clearly, since it shapes every other coverage decision in Medicare: you must be enrolled in both Part A and Part B before you can buy a Medigap policy or enroll in a Medicare Advantage plan. Neither product exists as a standalone substitute for Original Medicare — both are built specifically to work alongside it.

  • Medigap fills the cost-sharing gaps left by Original Medicare (Parts A and B) — it has nothing to fill in if you’re not enrolled in both parts to begin with.
  • Medicare Advantage legally must provide at least the same coverage as Parts A and B combined, which is only possible because you’re required to be enrolled in both before a Medicare Advantage carrier can enroll you.

Paul’s Honest Take: This surprises people who assume they can somehow “skip” Part B and go straight into a Medicare Advantage plan to avoid the extra premium. It doesn’t work that way — Part B enrollment, and its premium, is a prerequisite either way, whether you end up on Original Medicare with Medigap or on a Medicare Advantage plan. There’s no path through Medicare that avoids the Part B premium once you’re actually using the system.

Does Medicare Work If You’re a Veteran?

Yes — and if you have VA health benefits, understanding how the two systems relate is genuinely important, because they work differently than most people assume.

Medicare and VA benefits do not coordinate. These are two entirely separate systems that each pay only for care received within their own network. Medicare doesn’t pay for care you receive at a VA facility, and VA benefits don’t pay for care you receive from a non-VA doctor or hospital. You, the veteran, choose which system to use each time you seek care.

Here’s the critical point: having VA benefits does not exempt you from Medicare’s enrollment deadlines. VA coverage is not considered a qualifying reason to delay Part B without penalty. If you don’t enroll in Part B during your Initial Enrollment Period and you’re relying solely on VA benefits, you can still trigger the permanent late enrollment penalty.

Why the VA itself recommends enrolling in Medicare anyway:

  • It gives you access to civilian doctors and hospitals outside the VA system
  • VA healthcare funding depends on annual Congressional appropriations, which isn’t guaranteed to remain stable
  • If VA authorizes only part of your needed care at a non-VA facility, Medicare can help cover the rest
  • Having both gives you meaningfully more flexibility and security than relying on either system alone

Paul’s Honest Take: This is one of the most common misconceptions I run into with veterans specifically, and it’s an expensive one to get wrong. Good VA coverage feels like it should be enough, and it might genuinely handle most of your care — but it doesn’t protect you from the Part B enrollment clock the way employer coverage from a large company can. The VA itself actively encourages enrolling in Medicare Parts A and B for exactly this reason. If you have VA benefits and are approaching 65, this is worth a direct conversation before you assume you’re covered.

Veterans who enroll in Part B can also purchase a Medigap policy, which can be particularly valuable if you use non-VA providers regularly — though if you primarily rely on VA facilities for most of your care, the value of an added Medigap policy may be more limited, and worth weighing carefully.

How Long Does It Actually Take to Get Part B Approved?

This is one of the most practical, and most overlooked, pieces of planning — especially if you’re leaving a job after 65 and coordinating your Part B start date around the end of your employer coverage. Applying isn’t instant, and the timeline depends heavily on which enrollment window you’re using.

Enrollment Situation

Typical Processing Time

When Coverage Actually Starts

Initial Enrollment Period (around 65)

2–4 weeks, sometimes up to 6

1st of your birthday month (if applied in the 3 months before) or 1st of the month after you apply (if applied during or after your birthday month)

Special Enrollment Period (leaving employer coverage)

4–8 weeks, sometimes longer

1st of the month after your application is submitted

General Enrollment Period (Jan 1–Mar 31, missed window)

4–6 weeks

1st of the month after you apply

Why the Special Enrollment Period takes longer: applying after leaving employer coverage requires two forms, not one — Form CMS-40B (the actual Part B application) and Form CMS-L564 (Request for Employment Information), which your employer needs to complete to verify you had qualifying coverage. Social Security has to manually review both, which is exactly why this route consistently takes longer than a standard Initial Enrollment Period application.

Paul’s Honest Take: This timeline question comes up constantly with clients who are retiring or leaving a job after 65, and it deserves real attention — not just because of the penalty risk we’ve already covered, but because a slow approval can leave you with an actual gap in coverage if you time it too tightly. My standard advice: start this process at least 2 to 3 months before you need Part B to actually begin, not the week your employer coverage ends. If your former employer is slow to complete their portion of Form CMS-L564, that alone can hold up the entire application — so it’s worth following up with your HR or benefits department directly rather than assuming it’s been submitted.

Practical tips to avoid delays

  • Apply online through SSA.gov whenever possible. It’s consistently the fastest method — mailed or faxed forms are more prone to getting lost or delayed.
  • If you’re on a Special Enrollment Period, submit Form CMS-L564 alongside Form CMS-40B, not separately. They need to arrive together, and one incomplete form can stall the whole application.
  • Expect a short intake lag even with online applications. It can take several business days for an online submission to actually appear on a local Social Security agent’s screen — don’t panic if you call shortly after applying and they say they don’t see it yet.
  • Once approved, you don’t have to wait for your physical card. Your Medicare Beneficiary Identifier typically appears in your online Social Security or Medicare.gov account within a day or two of approval, and you can print a temporary card from there — the physical card generally arrives by mail within about 30 days.

Excess Charges: The Cost Almost Nobody Knows to Ask About

Here’s a detail that surprises even people who’ve been on Medicare for years: not every doctor who accepts Medicare agrees to accept Medicare’s approved amount as full payment.

Providers fall into three categories:

  • Participating providers accept Medicare assignment, meaning they agree to accept the Medicare-approved amount as payment in full. This covers the vast majority of providers — roughly 98% of doctors nationally.
  • Non-participating providers still accept Medicare patients but haven’t agreed to accept the standard rate. They can charge an excess charge of up to 15% above the Medicare-approved amount.
  • Opted-out providers have left the Medicare system entirely and can charge whatever they want under a private contract — Medicare pays nothing at all for care from these providers, except in emergencies.

How excess charges actually work: if the Medicare-approved amount for a service is $300 and you see a non-participating provider, they can legally charge up to an additional $45 (15%) on top, for a total bill of $345 — and that excess amount doesn’t count toward your Part B deductible.

Eight states currently prohibit or limit excess charges entirely: Connecticut, Massachusetts, Minnesota, New York, Ohio, Pennsylvania, Rhode Island, and Vermont. If you live in one of these states, you’re generally shielded from excess charges from providers within your state — though you could still face them if you receive care from a non-participating provider elsewhere.

Paul’s Honest Take: This is exactly why Medigap Plan G matters so much for people who want maximum flexibility. Plan G covers excess charges in full — Plan N does not. If you’re the kind of person who wants the freedom to see any doctor without worrying about billing surprises, that distinction is worth understanding clearly before you pick between the two. And regardless of which plan you choose, it’s always worth asking a new provider directly whether they accept Medicare assignment before your first appointment.

The HSA Rule: Part B Closes the Door Too

If you’re hoping to keep contributing to a Health Savings Account, know this clearly: enrolling in Part B — or any part of Medicare — ends your ability to make new HSA contributions. This isn’t unique to Part B; it applies the moment you enroll in Medicare in any form, including premium-free Part A.

If keeping your HSA active matters to you, the only way to legally delay both Part A and Part B is through qualifying employer coverage — which, as covered above, generally requires an employer with 20 or more employees. And because Part A enrollment can be backdated up to 6 months once you do enroll, it’s smart to stop HSA contributions 6 months before you plan to sign up for Medicare or file for Social Security, whichever comes first.

Frequently Asked Questions

Is there a cap on what I’ll pay for Part B services in a year? Not under Original Medicare alone — the 20% coinsurance has no yearly limit. A Medigap policy or Medicare Advantage plan is what actually caps your exposure.

What happens if I don’t sign up for Part B on time? You’ll generally face a permanent 10% penalty on your premium for every 12-month period you went without coverage, unless you qualify for a Special Enrollment Period through active employer coverage.

Do I need Part B if I have good coverage through a small employer? Almost certainly yes. If your employer has fewer than 20 employees, Medicare becomes your primary insurer at 65 regardless of your job coverage, and not enrolling can leave you exposed to unpaid claims and a lifelong penalty.

Do veterans need Medicare Part B if they have VA benefits? Generally, yes. Medicare and VA benefits don’t coordinate — each only pays for care within its own system — and VA coverage doesn’t exempt you from Medicare’s enrollment deadlines or penalties.

What is a Part B excess charge? An additional charge, up to 15% above the Medicare-approved amount, that a non-participating provider can legally bill you. It doesn’t count toward your deductible, and only Medigap Plan G (among current plans) covers it in full.

Can I keep contributing to my HSA if I enroll in Part B? No. Enrolling in any part of Medicare, including Part B, ends your HSA contribution eligibility going forward.

How long does it take to get approved for Part B? It depends on the enrollment window. Initial Enrollment Period applications typically process in 2–4 weeks. Special Enrollment Period applications, used when leaving employer coverage, generally take 4–8 weeks since Social Security must manually verify your prior coverage using Form CMS-L564. Start the process at least 2–3 months before you need coverage to begin, especially when coordinating around a job ending.

The Bottom Line

Part B is the half of Medicare that covers your everyday medical care — and it’s also where the real financial exposure of Original Medicare lives, thanks to that uncapped 20% coinsurance. Whether you should enroll at 65, whether you can safely delay, and how much of that exposure you’re carrying all depend on details specific to your situation: your employer’s size, your income, your VA status, and which doctors you actually see.

If you want help sorting out exactly how Part B applies to your specific circumstances — or want to understand how Medigap or Medicare Advantage could close that uncapped coinsurance gap — that’s exactly the conversation I have with clients every day, at no cost to you.

Call 631-358-5793 or visit paulbinsurance.com to set up a time to talk it through.

Paul Barrett, CMIP, is the founder of The Modern Medicare Agency, based in Melville, NY, and has spent 18+ years exclusively helping people navigate Medicare — never life insurance, never annuities, just Medicare. He’s licensed in 37 states, represents more than 40 carriers, and has personally helped over 5,000 clients choose coverage that actually fits their lives.

Figures current as of 2026 and sourced from CMS, Medicare.gov, and the Social Security Administration. Individual circumstances vary, especially around employer coverage, VA benefits, and income-based premiums — always verify your specific situation before making enrollment decisions.

Sources

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