Physical therapy helps people recover from injuries, manage chronic conditions, and improve mobility. Medicare beneficiaries often rely on it for outpatient care under Part B. Many wonder about session limits since therapy can extend over months.
Medicare does not set a strict cap on the number of physical therapy sessions. Coverage continues as long as services remain medically necessary. This removes old annual limits and focuses on ongoing need.
This article details current rules, thresholds, costs, and documentation requirements. It uses the latest available information for clarity. Always check with Medicare or providers for your specific case.
Medicare Coverage for Outpatient Physical Therapy
Medicare Part B covers medically necessary outpatient physical therapy. This includes services in clinics, private practices, or hospital outpatient departments. Providers must accept Medicare assignment for standard coverage.
You pay the Part B deductible first, then 20% coinsurance on approved amounts. Medicare covers the remaining 80%. No session number restricts benefits when justified.
Therapy must follow a plan of care certified by a doctor or qualified provider. This ensures services address specific goals. Regular progress reviews keep coverage appropriate.
No Hard Limit on Sessions
Medicare eliminated the former therapy cap in 2018. There is no fixed number of visits allowed per year. Beneficiaries can receive as many sessions as needed if medically necessary.
This change supports long-term recovery needs like stroke rehab or arthritis management. Providers document necessity to continue beyond certain spending levels. The focus shifts from quantity to quality and justification.
Claims process normally without session restrictions. Denials occur only if services lack medical necessity. This protects access while controlling overuse.
Therapy Thresholds and the KX Modifier
Medicare uses annual thresholds to monitor therapy use. For 2025, the combined threshold for physical therapy and speech-language pathology reaches $2,410. Occupational therapy has a separate $2,410 limit.
When spending hits this amount, providers add the KX modifier to claims. This affirms services remain medically necessary with supporting documentation. It allows continued coverage without automatic denial.
The threshold adjusts yearly based on economic factors. It applies per calendar year across providers. Tracking progress helps avoid interruptions.
What Happens at the Targeted Medical Review Threshold
At $3,000 in combined PT/SLP spending, targeted medical review may occur. This process checks documentation for necessity. Medicare selects claims for extra scrutiny to prevent improper payments.
Reviews do not stop therapy automatically. Providers submit records showing ongoing benefits. Most approved cases continue uninterrupted.
This safeguard ensures appropriate use. It affects a small percentage of claims. Proper charting reduces review risks.
| Threshold Level | Amount (2025) | What It Triggers | Impact on Coverage |
|---|---|---|---|
| KX Modifier Threshold | $2,410 (PT/SLP combined) | Add KX modifier to claims | Continues if documented necessary |
| Targeted Medical Review | $3,000 (PT/SLP combined) | Possible claim review | May require extra records |
| No Session Cap | Unlimited | Medically necessary only | No fixed visit limit |
| Separate OT Threshold | $2,410 | Same process for occupational | Independent from PT/SLP |
Inpatient Physical Therapy Under Part A
Part A covers physical therapy during hospital or skilled nursing facility stays. This differs from outpatient rules. Inpatient therapy supports acute recovery without session caps.
Hospital stays include therapy as part of the benefit period. Skilled nursing requires three hospital days prior. Coverage follows Part A deductibles and copays.
No annual thresholds apply here. Focus remains on medical necessity during the covered period. Transition to outpatient often follows discharge.
Costs You Pay for Physical Therapy
After the Part B deductible (around $257 in 2025), you pay 20% coinsurance per session. Medicare-approved amounts vary by service code. Providers bill based on these rates.
Coinsurance accumulates without a hard cap beyond the out-of-pocket maximum in some plans. Original Medicare lacks an overall limit. Supplements or Advantage plans may cap costs.
Track spending through Explanation of Benefits statements. This helps budget for ongoing therapy. Assistance programs exist for low-income beneficiaries.
Documentation Requirements for Continued Coverage
Providers maintain detailed plans of care with goals and progress notes. These justify sessions beyond thresholds. Regular reassessments show functional improvements.
The KX modifier requires affirmation of necessity. Charts include objective measures like range of motion or strength gains. This supports claims during reviews.
Patients can help by attending sessions consistently. They provide feedback on improvements. Good records prevent coverage gaps.
Tips for Maximizing Medicare Physical Therapy Coverage
- Ask your therapist about thresholds early in treatment.
- Keep personal records of sessions and progress.
- Discuss goals clearly with your provider for strong documentation.
- Use in-network therapists to avoid extra costs.
Physical Therapy in Medicare Advantage Plans
Advantage plans (Part C) must cover at least Original Medicare benefits. Many set session limits or require prior authorization. Some offer extras like gym memberships.
Check your plan’s evidence of coverage for specifics. Network rules apply for lowest costs. Out-of-pocket maximums protect against high therapy expenses.
Annual enrollment allows switching if limits feel restrictive. Compare during open periods. This tailors coverage to needs.
When Medicare Might Deny or Limit Therapy
Denials occur without medical necessity proof. Non-covered services like maintenance therapy face rejection. Providers must show skilled care requirements.
Excessive sessions without progress documentation trigger scrutiny. Reviews focus on outcomes. Appeals reverse many decisions with evidence.
Work closely with therapists on plans. This reduces denial risks. Persistence ensures needed care continues.
Comparing Original Medicare to Other Options
Original Medicare offers unlimited sessions with thresholds. Private insurance often caps visits at 20-60 per year. Medicare provides more flexibility for chronic needs.
Advantage plans vary widely. Some mimic Original rules while others add restrictions. Supplements cover coinsurance for Original users.
Choose based on health status and expected therapy duration. Original suits extensive rehab. Plans balance cost and access.
Future Changes and Annual Adjustments
Thresholds increase yearly with economic indexing. Recent years show gradual rises. Monitor CMS announcements for updates.
Policy focuses on necessity over strict caps. This supports aging populations. Advocacy maintains access to essential therapy.
Stay informed through Medicare resources. Annual reviews keep coverage current. This ensures uninterrupted benefits.
Conclusion
Medicare allows unlimited physical therapy sessions when medically necessary under Part B. Thresholds monitor use but do not cap visits. Proper documentation keeps coverage flowing smoothly.
FAQ
Does Medicare limit the number of physical therapy sessions?
No, Medicare has no fixed limit on sessions. Coverage continues for medically necessary outpatient therapy. Providers document ongoing need beyond spending thresholds.
What is the therapy threshold for 2025?
The KX modifier threshold is $2,410 for physical therapy and speech-language pathology combined. A separate $2,410 applies to occupational therapy. It requires affirmation of necessity.
What happens when therapy costs exceed $3,000?
Targeted medical review may occur at $3,000. Medicare reviews documentation for appropriateness. Approved services continue without interruption.
How much do I pay per physical therapy session?
After the Part B deductible, you pay 20% coinsurance on Medicare-approved amounts. Providers accepting assignment limit costs to this share. No session-based caps apply.
Does Medicare Advantage have the same therapy rules?
Advantage plans cover at least Original benefits but may add limits or authorizations. Check your plan for session restrictions or extras. Out-of-pocket maximums apply.
Can I get physical therapy indefinitely under Medicare?
Yes, if services remain medically necessary and documented properly. No annual session cap exists. Providers justify continued care through progress notes.
What documentation is needed for ongoing therapy?
Providers need plans of care, progress reports, and functional measures. The KX modifier affirms necessity after thresholds. Regular reassessments support claims.
How do I appeal if therapy coverage is denied?
Submit additional evidence like updated notes or doctor letters. Appeals follow Medicare processes. Many denials reverse with strong justification.

Dr. Usman is a medical content reviewer with 12+ years of experience in healthcare research and patient education. He specializes in evidence-based health information, medications, and chronic health topics. His work is based on trusted medical sources and current clinical guidelines to ensure accuracy, transparency, and reliability. Content reviewed by Dr. Usman is for educational purposes and does not replace professional medical advice.