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Medicare Part B covers Physical Therapy at 80% after the Part B deductible. Here's the full cost-sharing breakdown, admission status rules, and Medicare Advantage differences.

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Does Medicare Cover Physical Therapy? (2026)

Yes. Medicare Part B covers medically necessary physical therapy when it is restorative (improving function, not merely maintaining it), ordered by a Medicare-enrolled physician, and performed according to a plan of care. There is no longer an annual dollar cap, but the KX modifier system creates ongoing documentation requirements.

Quick answer:

  • Medically necessary, restorative PT: Part B — 80% after $257 deductible
  • Your share: 20% coinsurance (no cap under Original Medicare)
  • Annual dollar cap: Removed permanently (Budget Act 2018)
  • KX modifier threshold (2026): $2,410 for PT + speech combined — triggers attestation requirement
  • Maintenance therapy: Generally not covered under Medicare

What Medicare Part B Covers for PT

Medicare Part B covers:

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  • Initial PT evaluation (CPT 97161/97162/97163)
  • Individual therapeutic procedures (CPT 97110, 97140, 97530, etc.)
  • Therapeutic activities and neuromuscular re-education
  • Group therapy (at a lower rate)
  • Services by a physical therapist, PT assistant, or therapist incident-to in a physician's office

The restorative requirement: Medicare requires that PT improve your condition to its highest practicable function. Once you've reached your highest achievable level, therapy is "maintenance" — and Medicare generally does not cover maintenance therapy.

The KX Modifier: What It Means for Your Care

Once your cumulative Part B therapy costs (PT + speech therapy combined) exceed $2,410 in 2026, your therapist must attach the KX modifier to every claim. The KX modifier is an attestation by your therapist that:

  • Your care is medically necessary
  • Continued therapy is expected to improve your condition
  • The services are reasonable and necessary for your condition

Without the KX modifier above the threshold, Medicare can deny the claims. Your therapist manages this — but you should know about it so you're not surprised if your physical therapist asks to review your plan of care and progress notes.

Medicare Advantage PT Coverage

Medicare Advantage plans must cover the same medically necessary PT as Original Medicare. Many MA plans:

  • Apply a per-visit copay instead of 20% coinsurance
  • May have visit caps or require prior authorization for extended PT courses
  • Some plans offer enhanced PT benefits beyond the Original Medicare standard

Related Cost Information

Related: Is physical therapy covered by insurance? → · Physical therapy billing surprises →

Medical bills contain errors in roughly 80% of cases. Most go uncontested.

The free Dispute Kit gives you the exact letter templates, billing-error checklist, and the specific language that gets charges reviewed — the same process that's recovered thousands of dollars for patients who used it.

We'll email it to you immediately. No account required, no spam.

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About the Author

John Caruso, FSA, MAAA

Healthcare actuary with 20+ years of experience in insurance pricing, medical billing systems, and healthcare cost analytics.

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