Medicare pays for an unlimited number of outpatient counseling sessions, as long as a doctor or qualified mental health professional documents that each session is medically necessary. There is no annual cap and no lifetime cap on outpatient therapy visits under Part B. The one hard limit in Medicare’s mental health coverage sits elsewhere: inpatient stays at freestanding psychiatric hospitals are capped at 190 days over your lifetime.1eCFR. 42 CFR 409.62 – Lifetime Maximum on Inpatient Psychiatric Care
No Limit on Outpatient Therapy Visits
Medicare Part B covers outpatient mental health counseling without a fixed number of allowed sessions per year or per lifetime. Your provider has to document that each session is needed to diagnose or treat a mental health condition, and as long as that standard is met, Medicare keeps paying its share.2Medicare.gov. Mental Health Care (Outpatient)
What this looks like in practice: if your therapist recommends weekly sessions for depression, anxiety, PTSD, or another diagnosis, Medicare does not cut you off at 20 visits, or 52, or any other threshold. The medical necessity standard gives your treatment team broad discretion to decide how long and how often you need to be seen. The same open-ended rule applies to counseling for substance use disorders, including treatment for opioid use disorder and alcohol misuse, which fall under the same outpatient benefit.3Medicare. Mental Health and Substance Use Disorders
One narrower substance-use benefit does come with a specific count attached. If your primary care provider determines you’re misusing alcohol, Medicare covers up to four brief face-to-face counseling sessions per year at no cost, on top of one annual alcohol misuse screening. Those sessions have to happen in a primary care setting, and you need to be alert enough to participate.4Medicare. Alcohol Misuse Screenings and Counseling
Medicare Advantage Plans Can Apply Their Own Rules
The unlimited-sessions rule describes Original Medicare. Medicare Advantage plans are required to cover everything Original Medicare covers, but they can use their own criteria to decide whether a given service is medically necessary, and they set their own copays and coinsurance amounts for outpatient mental health visits.5Medicare.gov. Compare Original Medicare and Medicare Advantage
Some plans require a referral from your primary care doctor before you see a therapist. Some require prior authorization for continued sessions after a certain point. If a Medicare Advantage plan denies additional sessions your provider has recommended, you have the right to appeal, and the “medically necessary” standard is still the yardstick. Check your plan’s rules before scheduling to avoid an unexpected denial.
The 190-Day Inpatient Psychiatric Cap
Outpatient counseling has no session limit, but inpatient care at a freestanding psychiatric hospital does. Medicare Part A imposes a 190-day lifetime maximum on stays at specialty psychiatric hospitals. Once you use those 190 days across your entire lifetime, Part A will not pay for that type of facility again.1eCFR. 42 CFR 409.62 – Lifetime Maximum on Inpatient Psychiatric Care
This cap applies only to freestanding psychiatric hospitals. Inpatient mental health care in a general hospital’s psychiatric unit is covered under the same rules as any other hospital admission under Part A, with no special lifetime limit.6Medicare.gov. Mental Health Care (Inpatient) The distinction matters if you or a family member needs extended inpatient treatment: where the care is delivered can determine whether the 190-day clock is running.
Stepped-Up Outpatient Programs
Between weekly office therapy and inpatient admission, Medicare covers two more intensive levels of outpatient treatment, and neither carries a session count limit either. Intensive outpatient programs require at least nine hours of services per week, including group and individual therapy, mental health education, and medication management.7Medicare.gov. Mental Health Care (Intensive Outpatient Program Services)
Partial hospitalization programs are the next step up, requiring at least 20 hours of therapeutic services per week. Your doctor has to certify that without this level of care, you would need full inpatient treatment. Medicare covers partial hospitalization only when both your doctor and the program accept assignment.8Medicare.gov. Mental Health Care (Partial Hospitalization)
Telehealth Counseling Rules
Medicare covers mental health counseling delivered by video or audio-only phone. Geographic restrictions were permanently removed for behavioral health telehealth, so you qualify whether you live in a rural or urban area. Through the end of 2027, you can receive audio-only telephone counseling from your home.9CMS. Telehealth FAQ
There is an in-person visit requirement to keep in mind. Before your first telehealth mental health session, you need to have had an in-person visit with your provider, or with someone in the same specialty within the same practice, within the prior six months. After that first telehealth session, you need at least one in-person visit every 12 months to keep your telehealth coverage going. If you started telehealth mental health services on or before December 31, 2027, you’re considered an established patient and only need the annual in-person follow-up.9CMS. Telehealth FAQ
What You’ll Pay Per Session in 2026
Even with unlimited coverage, cost is often the practical limit on how many sessions you actually attend. Under Original Medicare, you pay the annual Part B deductible of $283 in 2026, then Medicare covers 80% of the approved amount for each session and you pay the remaining 20% coinsurance.10Medicare. Costs The standard Part B monthly premium in 2026 is $202.90, with higher-income beneficiaries paying more.11Centers for Medicare & Medicaid Services. 2026 Medicare Parts A and B Premiums and Deductibles
Twenty percent of every session adds up over a year of weekly therapy. If your provider is paid $150 per session at the Medicare-approved rate, your share is $30 each visit, or roughly $120 per month after you’ve met your deductible. Medicare Supplement Insurance (Medigap) policies can cover some or all of that 20% coinsurance, and depending on the Medigap plan, your actual cost per session could drop to zero after the deductible.10Medicare. Costs
Medicare Advantage plans handle cost differently. Many charge a flat copay per therapy visit instead of a percentage, and every plan sets an annual out-of-pocket maximum that caps your total spending on covered services for the year.5Medicare.gov. Compare Original Medicare and Medicare Advantage
One cost detail that catches people off guard: if your provider doesn’t accept Medicare assignment, they haven’t agreed to accept Medicare’s approved amount as full payment, and you can owe more than the standard 20%. Confirming that your therapist accepts assignment before the first session is one of the simplest ways to keep costs predictable across a long course of treatment.