How to Plan for Out-of-Pocket Medical Costs in Retirement

How to Plan for Out-of-Pocket Medical Costs in Retirement

Medicare doesn’t cover every health care bill in retirement. Planning how to pay out-of-pocket medical expenses in retirement starts with budgeting for premiums, deductibles, copayments, prescriptions, and care Medicare doesn’t cover.

It’s understandable to wonder how these costs will add up. Your spending depends on both the care you use and the coverage you choose. Medicare Advantage and Medigap handle costs differently, so comparing premiums alone won’t show which option best fits your needs.

This article explains where retirement health care money goes and how premiums, supplemental coverage, prescription plans, and plan choices affect your budget in 2026. You’ll also learn why it helps to consider routine expenses separately from long-term care, and how comparing Medicare options can bring more clarity to your planning.

Key Takeaways

  • Build your retirement health care budget around recurring premiums and the costs you may pay when you receive care, not one lifetime estimate alone.
  • Include Medicare Part B premiums in your budget, and account for income-related adjustments that can raise what you pay.
  • Plan for long-term care separately from routine medical expenses because Medicare generally doesn’t cover it.
  • Compare Medicare Advantage and Medigap by how each option affects your costs and coverage, not just its premium.
  • Revisit your coverage as your health needs and priorities change, including your prescription drug coverage.

Where does retiree health care money go?

Retirement health care spending can include insurance premiums, prescriptions, appointments, and costs remaining after coverage pays its share. Estimate routine medical expenses separately from long-term care, which Medicare generally doesn’t cover.

Factors Affecting Retirement Health Costs

Retirement health costs are the combined expenses shaped by your health, coverage, location, and how long you need care. These factors matter because a budget based only on today’s routine appointments may miss future needs. A person turning 65 has nearly a 70% chance of needing some type of long-term care during their lifetime, according to the U.S. Department of Health and Human Services.

Routine health care includes doctor visits, prescriptions, and insurance cost-sharing. Long-term care can mean ongoing help with daily activities, at home or in a care setting. Because Medicare generally doesn’t cover long-term care, budget for it separately from premiums and other medical expenses.

Using an HSA for Qualified Expenses

A health savings account (HSA) can help people with an eligible high-deductible health plan set aside money for qualified medical expenses. Contributions reduce taxable income, balances can grow tax-free, and withdrawals for qualified expenses can be tax-free. Funds can carry over from year to year rather than expiring under a use-it-or-lose-it rule.

In retirement, HSA funds can pay for or reimburse qualified medical expenses incurred after the account was established. Keep records of expenses and withdrawals so you can track which costs qualify. Don’t assume every health-related purchase is eligible.

Programs That Help Reduce Medical Costs

Medicare Savings Programs can help eligible people with Medicare costs, while Extra Help can lower eligible prescription drug expenses through Part D. Eligibility and assistance depend on individual circumstances. Consider both types of support when estimating premiums, cost-sharing, and medication expenses.

Before Medicare eligibility, health insurance may come through an employer, a spouse’s employer plan, or individual coverage. People retiring before age 65 may be able to continue employer health insurance under COBRA for up to 18 months, according to the U.S. Department of Labor. Compare the coverage period and premium obligations with the timing of Medicare eligibility, which generally begins at age 65.

Risks that can push costs above a budget include changing health needs, prescription costs, a longer retirement, and unexpected care needs. Prepare by using an annual estimate, reviewing it as your health or coverage changes, and keeping long-term care savings separate. If dental expenses are part of your plan, dental insurance coverage is another option to consider alongside medical coverage.

Medicare costs include premiums for coverage and cost-sharing when you receive care. Original Medicare combines Part A hospital insurance with Part B medical insurance. Part B helps cover outpatient care, certain doctors’ services, medical supplies, and preventive services. Include the regular premium in your estimate, along with deductibles and copayments that apply when you use services.

According to the Centers for Medicare & Medicaid Services, the standard Medicare Part B premium in 2025 is $185.00 per month, with higher premiums based on income. This is a 2025 figure for budgeting context, not a 2026 rate. A premium is an ongoing coverage cost, while a deductible or copayment is tied to receiving care. Keeping those categories separate makes a health care cost estimate easier to understand.

Income can change the Part B premium through the Income-Related Monthly Adjustment Amount, or IRMAA. In 2025, the adjustment applies above MAGI of $106,000 for an individual tax return or $212,000 for a joint tax return, according to the Centers for Medicare & Medicaid Services. MAGI means modified adjusted gross income. IRMAA may use income information from two years earlier, so a past tax return can affect a current premium.

This timing matters after retirement. Household income may fall when work ends, while an earlier tax return may reflect higher earnings. When estimating premiums, find out which income year is being used. If income changes because of a life event, Medicare has a process for requesting an adjustment. Distinguish a temporary income snapshot from the income you expect during retirement.

Part A has a different cost structure. The 2025 Medicare Part A inpatient hospital deductible is $1,676 for each benefit period, according to the Centers for Medicare & Medicaid Services. The 2025 Medicare Part A premium is zero. A deductible is not a monthly premium: it applies to covered inpatient hospital care during a benefit period. This distinction helps prevent confusing a zero premium with zero possible hospital costs.

Original Medicare cost-sharing can include deductibles and copayments as well as premiums. For example, you may owe the Part B premium in a month without an appointment, then pay cost-sharing when you use covered services. Budget carefully for nursing care, too: Medicare coverage rules differ for temporary skilled nursing care and ongoing long-term care. List premiums and care-related spending separately in your retirement estimate.

To prepare, list Part A and Part B premiums, then add expected deductibles, copayments, and prescription coverage costs. Revisit the estimate when income, health needs, or coverage changes. Supplemental coverage can change how some Medicare costs are handled, so compare the structure of Medigap coverage with your cost-sharing priorities. This makes the difference between fixed premiums and costs triggered by care clearer.

Planning for supplemental insurance and out-of-pocket expenses

Supplemental insurance can affect what you pay beyond Medicare coverage. Make separate estimates for routine medical bills, prescription drugs, travel, and long-term care.

Supplemental Insurance

Supplemental insurance can help with expenses another policy leaves you to pay. Premiums are only part of health care costs: deductibles, copayments, and uncovered services matter, too. Medigap works alongside Original Medicare, while Medicare Advantage provides another way to receive Medicare benefits through a private plan.

Compare how each option handles the care you expect to use, including prescriptions and appointments. A higher-premium plan may suit someone who values more predictable cost-sharing, while another person may prefer a different balance. Include prescription drug coverage in the comparison: it may be separate from Original Medicare or included in a Medicare Advantage plan.

Expenses Medicare Does Not Cover

Medicare coverage has limits, so budget separately for services such as routine dental, vision, and hearing care, as well as long-term care. These expenses can arise even when you have health insurance. Listing each category helps prevent your medical savings estimate from overlooking care Medicare may not pay for.

Long-term care is ongoing support with daily needs, which differs from treatment for a medical condition. A person turning 65 in the United States has nearly a 70% chance of needing some type of long-term care during their lifetime, according to the U.S. Department of Health and Human Services. Medicare generally doesn’t pay for long-term care, so consider how savings, family support, or long-term care insurance could fit your plan.

Long-term care insurance premiums depend on policy features and the applicant’s circumstances. Compare what a policy covers, when benefits begin, and how long they may last. Consider these terms alongside your savings plan rather than treating premiums as a complete measure of future care expenses.

Travel can create another coverage gap. Medicare generally doesn’t cover health services outside the United States, so medical travel insurance may matter if you spend time abroad. Before a trip, consider where you’ll go, how long you’ll stay, and whether your existing coverage applies. These details help you plan for a medical emergency away from home.

Make your estimate practical by separating recurring premiums from costs that arise only when you need care. Then add categories for dental, vision, hearing, prescription drugs, travel, and long-term care. Review the budget as your health needs or travel plans change, and compare supplemental insurance options with the expenses you most want to manage.

How to Plan for Out-of-Pocket Medical Costs in Retirement

Medicare plan selection and out-of-pocket costs

Your plan choice affects how you receive Medicare coverage and what you pay when you need care. Compare premiums, deductibles, copayments, prescription coverage, and access to the care you expect to use. A low premium alone doesn’t show the full picture: both your health needs and budget matter.

Original Medicare separates hospital coverage under Part A from medical coverage under Part B. According to the Centers for Medicare & Medicaid Services, the 2025 Medicare Part A inpatient hospital deductible is $1,676 for each benefit period. Treat that as a dated example when planning in 2026, and include other cost-sharing separately from premiums.

Review prescription drug coverage separately. Part D is optional coverage that can help pay for prescription drugs. Compare your current medicines with each plan’s coverage and cost-sharing, then revisit your choice each year as your prescriptions or needs change. A plan that suited your medication list before retirement may no longer fit if it changes.

Medicare Advantage and Original Medicare with supplemental coverage structure costs differently. Private companies offer Medicare Advantage plans, which replace Parts A and B for most covered benefits. Some include extras such as dental or vision coverage. Compare each plan’s coverage and expected out-of-pocket costs with the care you use; extra benefits don’t mean every service is covered.

Long-term care calls for a separate budget from Medicare plan cost-sharing. A person turning 65 has nearly a 70% chance of needing some type of long-term care during their lifetime, according to the U.S. Department of Health and Human Services. Costs depend on the type and amount of support.

The setting and hours of support matter when estimating care costs. In-home care may suit someone who needs help at home, while assisted living or skilled nursing involves care in a facility. These needs differ from Medicare-covered treatment. Medicare may cover skilled nursing care temporarily when requirements are met. Keep long-term care estimates separate from premiums and routine medical spending.

To prepare, list your prescriptions, expected appointments, preferred care settings, and current income. Compare plan coverage with those needs, then estimate premiums and costs when you receive care. Revisit the comparison annually and when your prescriptions or health priorities change. A clear breakdown shows which expenses are predictable and which depend on the care you need.

Medicare Advantage and Medigap

Medicare Parts A, B, and D separate hospital, medical, and prescription coverage. Medicare Advantage offers another way to receive most Part A and B benefits, while Medigap supplements Original Medicare. Compare how each arrangement covers care and shares costs before choosing.

Comparing Coverage Across Medicare Options

Comparing coverage means checking which services each Medicare option covers and where gaps may remain. Part A covers hospital stays, skilled nursing facility care, hospice care, and some health care. Part B covers outpatient care, certain doctors’ services, medical supplies, and preventive services. Part D is optional prescription drug coverage that can help pay for medicines.

Medicare Advantage, also called Part C, is a Medicare-approved plan from a private company that replaces Parts A and B for most covered benefits. Plans often include extras such as dental or vision coverage. Medigap works alongside Original Medicare to help with Medicare costs, but it doesn’t replace Part A, Part B, or prescription coverage.

That difference matters if you regularly use a hospital, specialist, or prescription medicine. With Original Medicare and Medigap, review medical and prescription coverage as separate pieces. With Medicare Advantage, check the plan’s covered services and any included extras. Dental or vision benefits can be useful, but don’t assume they cover every service in those categories.

Comparing Costs Across Medicare Options

Comparing costs means estimating premiums and what you may pay when you receive care. A lower premium doesn’t necessarily mean lower total spending. Original Medicare, Medigap, Part D, and Medicare Advantage divide premiums and cost-sharing differently, so compare the full arrangement with your care needs.

For Original Medicare, consider Part A and Part B premiums, deductibles, and copayments, then include any Medigap and Part D premiums. Medigap may help with certain Medicare cost-sharing, while Part D addresses prescription drug expenses. Compare recurring premiums with the care you expect to use and the costs you would pay for covered services.

For Medicare Advantage, review the plan’s premium, cost-sharing, and covered benefits together. Your prescription, hospital, dental, and vision needs can affect which coverage matters most. Plan options and private insurance can vary by state and region, so compare the choices available where you live rather than assuming the same plan structure applies everywhere.

As your health needs change, revisit the choice between Medigap and Medicare Advantage every few years. Compare services you use, prescriptions, and the balance between premiums and costs when care is needed. To explore the Medicare Advantage structure, compare Medicare Advantage coverage alongside your priorities.

The Modern Medicare Agency: Medicare Advantage Plans

The Modern Medicare Agency helps you compare Medicare Advantage, Medicare Supplement (Medigap), and Part D plans when you’re weighing coverage against out-of-pocket costs. Its independent brokers compare options from over 40 insurance carriers and provide guidance based on your needs. That can help you look beyond the premium and consider how plan benefits and cost-sharing fit your health care priorities.

If you’re approaching Medicare enrollment, reviewing coverage, or reconsidering a plan as your needs change, comparing your options is a practical next step. You can also explore Life Insurance as part of your broader coverage choices.

For a conversation about Medicare plan options, contact The Modern Medicare Agency.

Make your next step a personal one

Your retirement budget should reflect the care and coverage choices that matter to you, not just a broad estimate. Consider which expenses you want to make more predictable, which services you expect to use, and how much flexibility you want if your needs change. These priorities offer a clearer starting point for planning how to pay out-of-pocket medical expenses in retirement.

The Modern Medicare Agency offers Medicare Advantage Plans, Medicare Supplement (Medigap) Plans, and Medicare Part D Plans. A free Medicare consultation can help you compare these options in light of your coverage preferences and the costs you want to manage.

You don’t need to solve every retirement health care question at once. Start with the coverage decision that feels most pressing, then take the next step with a clearer sense of what matters to you. Contact The Modern Medicare Agency to discuss your Medicare plan options and move forward with greater confidence.

Frequently Asked Questions

Are there other ways to prepare for healthcare costs in retirement?

Yes. In 2026, keep a simple record of bills and explanations of benefits, then note which amounts you paid and why. Sort records by category, such as appointments, prescriptions, and dental care. This can help you notice recurring costs or a change in what your coverage pays. Keep Medicare notices and plan documents nearby so you can refer to them during your yearly budget review.

How much could medical expenses cost me in retirement?

There’s no single total that fits every retiree. Your estimate depends on coverage choices, health needs, prescriptions, location, and how long you need care. For a useful 2026 projection, separate predictable premiums from bills that depend on services used. Then consider a lower-use and higher-use scenario. This gives you a practical range for planning without treating one broad estimate as a personal forecast.

What are the average out-of-pocket health care costs for retirees in the United States?

An average can be a starting point, but it won’t show what a particular retiree will pay in 2026. Estimates differ depending on which expenses they include, such as premiums, prescription drugs, or care Medicare doesn’t cover. For a more relevant picture, use your own coverage and expected care needs to organize your budget. Keep long-term care separate so it doesn’t blur routine medical spending.

How much should retirees budget for Medicare premiums, deductibles, and copays?

Build the budget from the specific coverage you expect to have in 2026. List recurring premiums separately, then estimate care-related costs using the services you expect to use and the plan’s cost-sharing. Include prescriptions and recurring appointments in their own categories. If you’re comparing coverage options, use the same expected care needs for each estimate so the comparison is useful rather than based on different assumptions.

How do retirement health care costs vary by age, health status, and location?

Costs vary with the care a person uses, the coverage available nearby, and the length of retirement. A practical estimate should reflect ongoing prescriptions, specialist care, and services that may become more frequent as health needs change. Location can affect private coverage options and access to care. Revisit your 2026 budget after a move, a change in health, or a change in your plan.

How can retirees estimate future out-of-pocket medical expenses using a retirement budget or calculator?

Use a calculator to organize assumptions, then compare its result with your actual spending records. To understand how to plan for out-of-pocket medical expenses in retirement, enter premiums, prescriptions, appointments, and uncovered services as separate categories. Add a second scenario for changed care needs, rather than relying on one projection. Review the figures during your 2026 budget check and update them when your coverage or health changes.

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.

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