A reader emailed me last month asking whether she could get physical therapy covered after hip surgery. She’d already gotten the green light from her surgeon, but when she called her Medicare plan to ask about it, the person on the phone said something vague about “medically necessary” and “needing approval first,” and she hung up more confused than when she started. I get calls like this every week. Physical therapy is one of those benefits that looks straightforward on paper until you actually try to use it, and then suddenly you’re wondering whether you need pre-approval, how many visits you get, and whether that outpatient clinic down the street is in-network.

Here’s what most people don’t realize: Medicare does cover physical therapy, occupational therapy, and speech therapy. The benefit is real and meaningful. But the rules are specific enough that getting it wrong costs money and delays treatment, and getting it right takes maybe twenty minutes of homework on your part.

How Medicare Covers Physical Therapy

Original Medicare (Parts A and B) covers physical therapy in three settings: inpatient (hospital), skilled nursing facility, and outpatient. Each setting has different rules, and I’ve made the mistake myself of assuming the coverage would be identical across all three. It’s not.

For outpatient physical therapy, which is what most people use after an injury or surgery, Medicare Part B will cover it if a doctor or other qualified professional (like a nurse practitioner) orders it and it’s deemed medically necessary. That “medically necessary” language matters. Medicare isn’t paying for someone to get stronger in general; they’re paying because you have a specific condition (a broken ankle, a stroke, frozen shoulder, spinal fusion) that requires treatment to improve function or prevent it from getting worse.

Here’s the part that trips people up: as of 2026, there’s an annual cap on outpatient therapy services. Medicare covers up to $2,310 in combined outpatient therapy (physical, occupational, and speech therapy) per calendar year, though if you’re doing rehabilitation following an inpatient hospital stay, the rules are different. The cap isn’t a hard wall every year; Congress sometimes waives it, and the amount adjusts annually. You should check with your plan or Medicare.gov to confirm the current limit before you start.

Your Plan Type Affects What You Actually Get

Plan TypeDeductibleMedicare PaysYou PayPre-Auth Required
Original Medicare + Medigap$240 (Part B)80%20% (typically covered by Medigap)Usually no
Medicare AdvantageVaries by planVaries by planVaries by planOften yes

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If you have Original Medicare and a Medigap (supplement) plan, you’ll have more straightforward coverage. Original Medicare pays 80 percent of the cost after you’ve met your Part B deductible (which for 2026 is $240). Your Medigap plan typically covers that 20 percent coinsurance, depending on which plan you have. Plan G and Plan N are popular because they cover most out-of-pocket costs, though they cost more upfront.

Medicare Advantage plans (Part C) are different. These plans contract with specific networks of providers, and they often impose their own requirements on top of Medicare’s. Some Advantage plans require you to get prior authorization before you start therapy. Some have stricter limits than the standard Medicare cap. I tested this last year when a friend switched to an Advantage plan and found out her plan required physical therapy to be ordered through a primary care physician first, which added a two-week delay to her treatment. That’s not a Medicare rule; that’s her plan’s rule. Read your plan’s summary of benefits carefully before you assume you know what’s covered.

Getting Pre-Authorization and Finding a Provider

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Here’s the good news: you don’t always need pre-approval for outpatient physical therapy under Original Medicare, but your provider might still ask for it to avoid headaches later. The therapist will typically submit a claim after your first visit, and Medicare pays if the care was reasonable and necessary. Some therapists, though, will call ahead to confirm coverage before they see you, especially if you’re a new patient.

With Advantage plans, pre-authorization is much more common and sometimes required. Your plan letter or provider list should say so. If it doesn’t, call the plan before your first appointment. I cannot overstate how much time this saves you. A fifteen-minute call to your plan beats discovering a month into treatment that you needed authorization first and now you owe a chunk of money.

As for finding a therapist in-network: if you have Original Medicare and a Medigap, most licensed physical therapy clinics will take you, because Original Medicare is accepted nationwide. If you have an Advantage plan, you’ll need to use their provider directory or call the plan to confirm your therapist is in-network. Out-of-network care typically costs you more (or isn’t covered at all), so don’t assume the nice clinic your neighbor recommended is in your network.

What Happens in Practice

Let me walk through how this usually works from start to finish.

Your doctor says you need physical therapy for your knee or your shoulder or your lower back. Your doctor either gives you a written prescription or submits an electronic referral directly to the therapist. You call the therapy clinic to schedule. If you have an Advantage plan, this is when you ask if they need pre-auth; they either say yes or no. If yes, they’ll handle it before your first appointment. If you have Original Medicare with Medigap, you can usually just show up.

On your first day, the therapist evaluates you, probably takes some measurements or videos of your movement, and creates a treatment plan. They’ll typically estimate how many visits you might need (anywhere from 6 to 30 is common, depending on your condition). Then they submit a claim to Medicare.

Medicare processes the claim and pays 80 percent. You pay the remaining 20 percent. If you have Medigap, your supplement covers that 20 percent, and you pay nothing. If you don’t have a supplement, that 20 percent is out of your pocket. Some clinics also charge a copay upfront, depending on your plan.

Here’s where it gets important: keep track of how many visits you’ve had. When you’re getting close to that $2,310 annual cap (which is roughly 23 visits at $100 per visit, though costs vary), your therapist should flag it. Some do proactively; some don’t. If you hit the cap, Medicare stops paying, and you’re responsible for the full cost. No exceptions. This is why a fifteen-minute conversation with your plan in advance of your therapy can save you hundreds of dollars.

When Medicare Denies Physical Therapy

I see this happen more often than people expect. Medicare denies a claim because the therapist didn’t document that the therapy was medically necessary, or because the diagnosis doesn’t clearly warrant ongoing treatment, or because the provider wasn’t properly credentialed.

Example: A reader from Portland, Oregon, was denied coverage for physical therapy after a minor ankle sprain. Her therapist had submitted the claim with a diagnosis code but no documentation of functional limitations. Medicare said “this looks like general conditioning, not rehabilitation,” and denied it. The therapist resubmitted with better documentation (measurements showing loss of range of motion, functional tests showing difficulty walking), and on resubmission, it was approved. The delay cost her about six weeks of treatment.

If your claim is denied, ask your therapist to file an appeal. You can also appeal directly to Medicare through the Beneficiary Improvement and Protection Act (BIPA) process, though honestly, most appeals succeed if your therapist provides clearer documentation the second time. Don’t just accept a denial and pay out of pocket without asking.

Medicare Advantage vs. Original Medicare for PT

I’m going to be direct: for physical therapy specifically, Original Medicare with a good Medigap plan is less hassle than most Advantage plans. You pick your therapist more freely, you don’t usually need pre-auth, and you don’t risk hitting plan-specific limits that are stricter than Medicare’s standard. That said, Advantage plans can work fine, especially if you do your homework upfront about which providers are in-network and what authorization rules apply.

The risk with Advantage: you might start therapy with a therapist you like, only to find out later that your plan’s coverage is different than you thought, or that you hit a plan-specific visit limit that’s lower than Medicare’s cap. By then, you’re already emotionally invested in your therapist. A quick call to your plan before your first session costs nothing and prevents that.

The Paperwork You’ll Actually Need

Get a written prescription from your doctor. Some therapists will accept an electronic referral, but a piece of paper in your hand is safer. It should include your diagnosis, the type of therapy needed, and roughly how often (usually 2 to 3 times per week). It doesn’t need to say exactly how many visits; that’s determined by the therapist after the evaluation.

Bring your Medicare card and any insurance card from a supplement or Advantage plan. Bring ID. Bring a list of any other doctors you see, in case the therapist needs to coordinate care.

That’s really it. The therapist handles the insurance paperwork.

A Note on Physical Therapy Aides vs. Licensed Therapists

Medicare will pay for services provided by a licensed physical therapist (PT) or a physical therapist assistant (PTA) under the supervision of a PT. It will also cover some services from an aide under a PT’s supervision, but the rules are stricter. If you’re being seen mostly by an aide or an unlicensed person, ask your therapist whether Medicare is covering that visit. Sometimes it isn’t, and you might be responsible for the cost. I’m not saying aides aren’t valuable; many are excellent. I’m saying know what you’re paying for.

Sources

  • Medicare.gov: Official information on Medicare coverage, including therapy benefits, plan comparison tools, and the current annual therapy cap.
  • Centers for Medicare & Medicaid Services (CMS): Government agency administering Medicare; publishes policy updates and coverage rules.
  • Physical Therapy Coverage under Medicare Part B (CMS Publication 100-02, Chapter 12): Detailed policy on when and how physical therapy is covered by Original Medicare.
  • The American Physical Therapy Association (APTA): Professional organization offering patient resources on physical therapy and insurance coverage.


This article is for informational purposes only. Medicare rules change annually. Always verify current plan details at Medicare.gov or by calling 1-800-MEDICARE (1-800-633-4227). This site does not sell insurance or recommend specific plans.



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