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Government Coverage

Recovery Programs That Accept Medicare

Medicare is the federal health program for adults 65+, people living with qualifying disabilities, and those with end-stage renal disease. Under Mental Health Parity protections, it typically covers medically necessary substance use treatment across Parts A, B, and D — with specific benefits varying by plan.

Updated: May 20, 2026
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What Substance Use Care Does Medicare Typically Cover?

Medicare typically supports substance use treatment across its component parts — Part A for inpatient care, Part B for outpatient services, and Part D for prescription medications. Medicare Advantage (Part C) plans may bundle additional behavioral health benefits, with the exact scope varying by plan.

Part A: Inpatient Care

Medicare Part A typically covers inpatient substance use treatment delivered in hospitals and skilled nursing facilities. Standard benefits include up to 60 days per benefit period after the deductible, with coinsurance applying for days 61-90. Medicare also makes 60 lifetime reserve days available for longer stays, subject to medical necessity.

Part B: Outpatient Services

Medicare Part B typically covers outpatient substance use services, including individual and group therapy, partial hospitalization programs, screening and brief intervention, and structured alcohol misuse counseling. Once the Part B deductible is met, Medicare commonly pays 80% of approved amounts, subject to plan terms.

Part D: Addiction Medications

Medicare Part D plans typically cover FDA-approved medications used in addiction treatment, including buprenorphine, naltrexone, acamprosate, and disulfiram. Coverage varies by Part D plan formulary — and some medications may require prior authorization or step therapy before approval.

Using Your Medicare Plan for Addiction Treatment

Knowing how Medicare applies to addiction treatment helps you and your loved ones make use of your benefits with fewer surprises on cost-share. Our admissions team is glad to walk through the details with you.

Confirm Your Eligibility

Medicare eligibility generally begins at age 65, or earlier for people living with qualifying disabilities. If you are dually eligible for both Medicare and Medicaid, you may have additional behavioral health benefits available. Review your Medicare card to confirm which parts (A, B, D) you carry.

Find Medicare-Participating Programs

Not every treatment program participates in Medicare. You can use Medicare's official provider search at medicare.gov or our treatment center directory to find rehab programs that accept Medicare. Confirming that the facility accepts assignment helps keep out-of-pocket costs manageable.

Medicare Advantage Considerations

If you carry a Medicare Advantage plan, reach out to your plan directly for the specifics on substance use treatment benefits. Many Advantage plans add behavioral health services, reduced copays, and care coordination that are not part of Original Medicare.

Verifying Your Medicare Benefits, Step by Step

Original Medicare benefits are largely standardized, yet confirming the specifics ahead of admission is still worthwhile. Our team can verify coverage with you and explain what to expect.

Step-by-Step Verification

  • Confirm which Medicare parts (A, B, C, D) you carry and the effective dates
  • Note whether you also hold a Medicare Supplement (Medigap) policy
  • Check that the treatment program accepts Medicare assignment
  • Review your Part A deductible status before an inpatient stay
  • Look up your Part D formulary for any addiction medications you may need
  • If on Medicare Advantage, verify the plan's specific behavioral health rules

Where to Get Additional Help

Call 1-800-MEDICARE (1-800-633-4227) with questions about your coverage. Your State Health Insurance Assistance Program (SHIP) provides free, one-on-one counseling to help you make sense of Medicare benefits for substance use treatment. The SAMHSA National Helpline at 1-800-662-4357 is also available 24/7 for confidential referral support.

Coverage Questions: Medicare

Yes. Under Mental Health Parity and Addiction Equity Act protections, Medicare typically covers medically necessary substance use care — inpatient detox through Part A, outpatient counseling and therapy through Part B, and FDA-approved addiction medications through Part D. Specific cost-share varies by plan.

Medicare Part A typically covers inpatient substance use treatment delivered in hospitals and skilled nursing facilities. Standard benefits include up to 60 days per benefit period after the deductible, plus up to 190 days lifetime in a psychiatric hospital — subject to medical necessity review.

Yes, in most cases. Medicare Part B typically covers outpatient services such as individual and group therapy, partial hospitalization programs, structured screening, and brief intervention or counseling sessions. After the Part B deductible, Medicare commonly pays 80% of approved amounts, subject to plan terms.

Medicare Part D plans typically cover FDA-approved medications used in addiction care, including buprenorphine (Suboxone), naltrexone (Vivitrol), and acamprosate. Specific coverage, prior authorization, and step therapy rules vary by Part D plan formulary.

Original Medicare (Parts A & B) provides baseline, standardized benefits and may be paired with a Part D drug plan and a Medigap policy. Medicare Advantage (Part C) plans may bundle additional behavioral health benefits but generally require in-network providers, so verify the facility's participation before admission.

Other Plans to Compare

Medicaid

Medicaid typically covers medically necessary substance use treatment in all 50 states under federal and state rules, including detox, outpatient counseling, residential care, and medication-assisted treatment. Specific benefits, prior authorization, and provider networks vary by state — verify with admissions or your state Medicaid agency.

Humana

Humana — the Louisville-based insurer best known for its Medicare Advantage footprint and integrated Humana Pharmacy benefit — typically covers medically necessary substance use treatment under the Mental Health Parity and Addiction Equity Act. Covered levels of care, copays, and prior-authorization steps depend on whether you carry an employer plan, a Medicare Advantage plan, or a Marketplace policy.

United Healthcare

United Healthcare — the country's largest commercial insurer, with behavioral health authorizations handled by its Optum subsidiary — typically covers medically necessary substance use treatment under the Mental Health Parity and Addiction Equity Act. The covered levels of care, copays, and prior-authorization workflow depend on whether you carry a commercial employer plan, a UHC Medicare Advantage policy, or a Marketplace plan.

Aetna

Aetna — now part of CVS Health and one of the largest commercial behavioral health networks in the country — typically covers medically necessary substance use treatment under the Mental Health Parity and Addiction Equity Act. Covered levels of care, copays, and prior-authorization pathways depend on whether you carry a commercial employer plan, a Medicare Advantage policy, or a Marketplace plan.