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What Insurance Covers Addiction Treatment? Medicaid, Medicare, and More

Published: March 1, 2026 Author: Reddoor Category: Uncategorized

What Insurance Covers Addiction Treatment?

The law says insurance must cover treatment. Here is how to make it work for you.

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Key takeaway: Under the Mental Health Parity and Addiction Equity Act and the Affordable Care Act, most insurance plans — including Medicaid and marketplace plans — are required to cover substance use disorder treatment at the same level as medical/surgical care.

Medicaid

Medicaid covers addiction treatment in all 50 states, though specific services vary by state. Coverage typically includes detox, residential treatment (in facilities under 16 beds in some states), outpatient, IOP, PHP, and medication-assisted treatment (MAT). Apply through your state’s Medicaid program or at HealthCare.gov.

Medicare

Medicare Part A covers inpatient treatment. Part B covers outpatient counseling, PHP, and some medications. Part D covers prescription medications including buprenorphine.

Private Insurance / Employer Plans

The Mental Health Parity Act requires group health plans to cover addiction treatment at parity with medical care. Call the number on your insurance card and ask specifically for “behavioral health benefits.”

What If You Do Not Have Insurance?

  • SAMHSA helpline: 1-800-662-4357 — free referrals, 24/7
  • Sliding-scale programs — Many providers adjust fees based on income
  • State-funded treatment — Every state has block grant funds for uninsured individuals
  • Federally Qualified Health Centers — Cannot turn you away for inability to pay
Tip: Do not let cost stop you from calling. Most treatment providers have financial counselors who will help you figure out coverage before you start.
Find providers who accept your insurance.

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Need help now? Call 911 for emergencies. SAMHSA helpline: 1-800-662-4357 (free, confidential, 24/7).

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