Senior using smartphone for telehealth call

Medicare Telehealth Coverage: What’s Covered Through 2027

Yes, Medicare covers a wide range of telehealth services right now, and most of the flexibilities that made virtual visits so accessible during the pandemic remain in place through December 31, 2027. That covers home visits with no geographic restrictions. Behavioral and mental health telehealth rules remain permanent, so those benefits will continue regardless of changes to other flexibilities. Here’s what to keep in mind:

  • Original Medicare (Part B) pays for many telehealth services today, including visits from your own living room.
  • The December 31, 2027 deadline applies to most non-behavioral flexibilities. Behavioral health telehealth, including audio-only sessions, is permanent.
  • CMS, Medicare, and HHS are the authoritative sources for what’s covered. Always confirm with your specific provider or plan before an appointment.

Key Takeaways

Medicare covers many telehealth services today, extends most non-behavioral flexibilities through December 31, 2027, and keeps behavioral health telehealth access permanent regardless of what happens after that date.

Point Details
Coverage today Original Medicare pays for a wide range of telehealth visits, including from your home, through December 31, 2027.
Behavioral health is permanent Mental health telehealth, including audio-only sessions, isn’t subject to the 2027 deadline.
Costs follow standard Part B rules Expect the Part B deductible, then 20% coinsurance, plus a possible facility fee (Q3014) if you’re not at home.
Medicare Advantage can add more MA plans may offer telehealth benefits beyond Original Medicare, so check your Evidence of Coverage directly.
Verify before you assume Paulbinsurance offers free plan reviews to confirm your specific telehealth benefits and help with denied claims or appeals.

This article is general information, not a substitute for advice from a qualified doctor. Consult a qualified healthcare professional about your own circumstances before acting on anything here.

Table of Contents

What Telehealth Services Does Medicare Cover?

Medicare covers dozens of telehealth services, and the list has grown substantially since 2020. You don’t need to memorize every code, but knowing the categories helps you understand what to expect when you book a virtual appointment.

Common covered services include:

  1. Office and outpatient visits with your primary care doctor or a specialist.
  2. Outpatient psychotherapy and mental health counseling sessions.
  3. Cardiac and pulmonary rehabilitation programs delivered remotely.
  4. Diabetes self-management training for people managing blood sugar at home.
  5. Speech therapy and other outpatient rehabilitation services.
  6. Cognitive assessments and care planning for memory issues.
  7. Caregiver training and behavior management sessions.

Beyond full telehealth visits, Medicare also pays for shorter virtual interactions. E-visits let you message your doctor through an online portal about a non-urgent issue, and virtual check-ins cover a brief phone or video call to decide whether you need an in-person visit. Neither requires the same setup as a scheduled telehealth appointment, but both fall under Medicare’s virtual care umbrella.

The full, current roster lives on CMS’s official List of Telehealth Services, which the agency updates every January through the Physician Fee Schedule rulemaking process. That list is the closest thing to a definitive answer, and it changes yearly, so a service that’s excluded this year could be added next January, or vice versa. If you’re unsure whether a specific visit qualifies, our overview of what Medicare covers for telehealth appointments breaks it down further.

Who Can Deliver Telehealth, and Where Can You Receive It?

Hands adjusting telehealth setup equipment

A broad set of provider types can bill Medicare for telehealth, and that list expanded significantly under temporary pandemic-era rules. Physicians, nurse practitioners, physician assistants, clinical psychologists, clinical social workers, and licensed therapists all currently qualify as eligible distant-site practitioners, meaning the provider delivering care from a remote location.

The “originating site” is where you, the patient, are located during the visit. Through December 31, 2027, that can be your home, with no geographic restrictions requiring you to live in a rural area. Federally Qualified Health Centers and Rural Health Clinics have their own special billing provisions, and beneficiaries in Accountable Care Organizations sometimes have expanded telehealth access built into their care model.

  • A broad set of eligible practitioners, including physicians, nurse practitioners, physician assistants, clinical psychologists, and clinical social workers, can bill Medicare for telehealth services currently.
  • Your home counts as a valid originating site through December 31, 2027.
  • FQHCs and RHCs follow distinct billing rules worth asking about directly.

Pro Tip: If your provider practices virtually and lists a home address for enrollment, CMS guidance allows them to mark it as a “home office for administrative or telehealth use only,” which keeps their private address off public look-up tools like Care Compare.

What Will a Telehealth Visit Cost You?

Telehealth visits are billed the same basic way as in-person Medicare Part B services. You pay the annual Part B deductible first, then 20% coinsurance of the Medicare-approved amount for most covered telehealth services. There’s no special telehealth surcharge, but the payment amount your provider receives can vary depending on where you are during the visit.

If you’re at home, Medicare pays your provider at the non-facility Physician Fee Schedule rate, which is typically the same rate as an in-office visit. If you’re at a clinic or hospital acting as an originating site, that facility may also collect a separate originating-site facility fee billed under HCPCS code Q3014.

  • Part B deductible applies first, then 20% coinsurance kicks in.
  • Home visits are paid at the non-facility physician fee schedule rate; facility-based originating sites may bill a facility fee under HCPCS code Q3014.
  • Ask your provider for the CPT or HCPCS code before your visit so you know what’s being billed.

The most useful thing you can do before any telehealth appointment is simply ask what code will be used and what you’ll owe. Providers can usually give you a straight answer in under a minute, and it saves you from an unpleasant surprise on your Medicare Summary Notice weeks later.

When Is Audio-Only Telehealth Allowed?

Medicare generally requires two-way interactive audio and video for telehealth visits. There are meaningful exceptions. Behavioral and mental health visits can be conducted entirely by phone on a permanent basis, and certain other services also qualify for audio-only delivery through December 31, 2027 when video isn’t feasible or the patient can’t access it.

Remote physiologic monitoring and remote therapeutic monitoring are related but separate categories. RPM requires an established patient relationship and specific data-collection windows tied to the billing code, while RTM covers therapy adherence and non-physiologic data. Only one provider can bill for a given monitoring period, which matters if you see multiple specialists.

  • Ask your provider directly whether your visit will be audio-only, video, or a monitoring service, since the billing rules differ for each.
  • Confirm you’ve signed any required consent forms before your first virtual visit; resources like Zealthy’s telehealth consent guidance explain what that consent typically covers.
  • For a deeper look at when home-based audio-only care applies, see how Medicare covers services at home.

How Do Medicare Advantage and Original Medicare Telehealth Benefits Differ?

Original Medicare sets the coverage floor, but Medicare Advantage plans can go further. Insurers running MA plans have latitude to add supplemental telehealth benefits, and KFF’s analysis notes that some plans cover a broader range of virtual services, or pay for them differently, than Original Medicare does.

That flexibility matters even more heading toward 2028. If certain federal telehealth flexibilities expire on schedule, a Medicare Advantage plan that built its own telehealth benefit into its design could keep offering that access even after Original Medicare’s temporary rules lapse.

  • Review your plan’s Evidence of Coverage document for the specific telehealth benefits it lists, not just the marketing brochure.
  • Call your plan or talk with a licensed agent to ask exactly which telehealth services are included and whether they require referrals.
  • Remember that Original Medicare’s baseline coverage and the official CMS telehealth list remain the reference point every plan builds from.

If you’re weighing Original Medicare against a Medicare Advantage plan for reasons beyond telehealth, our guide on Medicare Advantage plans explained walks through the broader tradeoffs.

What Happens to Telehealth Coverage After 2027?

The clearest deadline on the calendar is December 31, 2027, when many pandemic-era flexibilities are set to expire unless Congress acts again. That includes expanded provider eligibility, the removal of geographic restrictions, and the ability to receive non-behavioral telehealth care from home.

Some changes are already permanent, though. Behavioral health telehealth flexibility isn’t going anywhere, certain frequency limits on follow-up telehealth visits have been permanently removed, and the CY 2026 Physician Fee Schedule final rule added several services to the telehealth list on a lasting basis.

  1. Mark December 31, 2027 on your calendar as the date many non-behavioral flexibilities are scheduled to expire.
  2. Check CMS’s telehealth page and your Medicare Advantage plan’s annual notice each fall, since CMS updates its telehealth list every January.
  3. Ask your regular providers directly what their contingency plan is if home-based telehealth access reverts on January 1, 2028.

Nobody can say with certainty what Congress will do before that deadline. Beneficiaries who build a habit of checking updates each year won’t be caught off guard either way.

How Do You Confirm Coverage Before a Specific Telehealth Visit?

A little homework before your appointment prevents almost every telehealth billing surprise. Run through this short checklist:

  1. Ask your provider directly whether the visit is billable to Medicare and request the CPT or HCPCS code they plan to use.
  2. Confirm the place-of-service code they’ll submit, since that affects whether you’re billed at the home rate or a facility rate.
  3. Verify the provider actually bills Medicare directly rather than requiring you to submit a claim yourself.
  4. Save your visit notes and any consent forms you signed, especially for behavioral health or monitoring services.
  5. Cross-check the service against Medicare’s official telehealth list or your plan’s Evidence of Coverage if anything seems unclear.

If a claim gets denied anyway, you have the right to appeal, and the instructions for doing so appear on your Medicare Summary Notice. Your local State Health Insurance Assistance Program (SHIP) offers free help with appeals, and a licensed broker can also walk through the denial with you and help you gather documentation.

Pro Tip: Keep a simple folder, digital or paper, with every telehealth visit’s date, code, and provider name. It turns a confusing appeal process into a five-minute phone call.

A Broker’s View on Verifying Telehealth Benefits

Paul Barrett has worked directly with Medicare beneficiaries since 2007, and one pattern shows up constantly: people assume telehealth coverage is uniform across every plan, and it isn’t. Part of what Paulbinsurance does day to day is sit down with a beneficiary’s actual plan documents, compare what Original Medicare covers against what a specific Medicare Advantage plan adds on top, and flag gaps before they turn into a denied claim. That kind of plan-level review catches details that a general coverage list never will, and it’s often the difference between assuming you’re covered and knowing it.

— Paul

Get Help Confirming Your Telehealth Benefits

Reading a Medicare telehealth policy update is one thing. Knowing exactly what your specific plan covers for your specific doctor visits is another, and that gap is where Paulbinsurance does its best work. As an independent agency, we’re not tied to one insurer’s product line, so a plan review from us means an honest look at whether Original Medicare or a Medicare Advantage plan actually serves your telehealth needs better, not a sales pitch for whatever pays the highest commission.

Paulbinsurance

A complimentary plan review with our team includes reading through your Evidence of Coverage line by line, checking your telehealth benefits against what you’re actually using, and helping you understand your options if you’re weighing Medicare Supplement plans against Medicare Advantage. If you’ve already run into a denied telehealth claim, we can also help you sort out what happened and what your next step should be. Reach out to schedule a review before your next plan decision deadline.

Sources

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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