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If you rely on Medicaid rehab coverage to pay for addiction treatment, most states are not cutting rates right now.
But providers say a different risk is growing: people losing coverage over paperwork, not policy, in the run-up to new federal rules taking effect in 2027.
Medicaid is the largest payer of substance use disorder care in the United States. Six months after the One Big Beautiful Bill Act’s provisions began working through state systems, Medicaid reimbursement rates for addiction treatment are largely holding steady or seeing small increases.
According to Behavioral Health Business reporting on rate data tracked by MediRate, a service that compares Medicaid reimbursement across all 50 states and Washington, D.C.
Where Medicaid Rehab Coverage Is Improving
Illinois, Montana, and Kansas are among the states already seeing or expecting rate increases of 1 to 3 percent for substance use disorder treatment. Montana raised its rates by 3 percent earlier this year, retroactive to July 1, 2025.
South Dakota and Alaska have proposed similar increases but are still waiting on federal approval, and analysts note that state plan changes can be approved, modified, or withdrawn at any time, which keeps providers watching closely even in states with good news.
Rates Still Vary Sharply by State
Even where rates are stable or improving, Medicaid rehab coverage can look very different depending on where someone lives.
Greg Nersessian, president of MediRate, which tracks Medicaid reimbursement across all 50 states, said it is difficult to call any state uniformly favorable or unfavorable because rates are often set code by code rather than as a single statewide number.
Jim Shaheen, CEO of the treatment provider New Season, pointed to a concrete example of that inconsistency: his opioid treatment program in Florida is reimbursed $13 per day for a service that is reimbursed at a different rate for the identical service at a New Season location in North Carolina.
For patients, that unevenness means the strength of Medicaid rehab coverage can depend heavily on state lines, not just eligibility.
The Bigger Risk Is Paperwork, Not Rates
For providers and the people they serve, the more immediate worry isn’t the reimbursement number itself. It’s the possibility that patients lose Medicaid rehab coverage entirely because of documentation gaps or confusion around new work requirement exemptions.
People actively in drug or alcohol treatment, rehabilitation, or recovery are exempt from federal Medicaid work requirements, but industry professionals say exemption paperwork and state-by-state interpretation of the rules could still cause people to fall through the cracks.
Some treatment providers are responding by adding staff, such as care navigators and case managers, specifically to help patients maintain their Medicaid eligibility and avoid a coverage gap during treatment.
What This Means for People Who Can’t Afford Rehab
If you or someone you love depends on Medicaid to pay for addiction treatment, this is a good moment to double-check that paperwork, especially anything related to work requirement exemptions, is current and complete.
Losing coverage over an administrative gap, rather than an actual change in benefits, is an avoidable risk. If a state Medicaid plan changes in your area, treatment providers and state Medicaid offices are the most reliable source for current rules.
Who Qualifies for Free or Low-Cost Treatment
Medicaid remains one of the most widely accepted ways to cover addiction treatment at little to no out-of-pocket cost.
Coverage generally extends to detox, inpatient and outpatient rehab, and medication-assisted treatment, though specific covered services vary by state.
How to Access These Resources
Contact your state Medicaid office directly to confirm your current eligibility status and whether any paperwork is outstanding.
Ask a treatment provider’s admissions team whether they have care navigators who can help you maintain coverage throughout treatment.
If you lose coverage, SAMHSA’s National Helpline at 1-800-662-4357 can help connect you to free or low-cost treatment options while you sort out eligibility.
Rehabs.org lists free and low-cost treatment options nationwide, including facilities that accept Medicaid. Call
800-914-7089
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to find affordable, Medicaid-accepting treatment options near you.
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