We list 25 rehabs that accept medicare in Montana, based on SAMHSA's FindTreatment.gov data, with the most in Billings (4), Livingston (3), and Missoula (3). Compare services, insurance accepted and accreditation, or call for free help choosing.
Medicare: the basics
Yes, Medicare covers many types of substance use disorder treatment. Part A covers inpatient hospital care, Part B covers outpatient services, partial hospitalization, intensive outpatient programs and opioid treatment programs, and Part D covers many addiction medications. Original Medicare generally does not cover non-hospital residential rehab, and costs like deductibles still apply. Read the full guide →
2026 rankings
Ranked by the StartDrugRehab Score: accreditation, levels of care, patient ratings and payment options. Featured or claimed status never affects rank. How we rank
Best for: Intensive outpatient careCARFCOA
Why it made our list: CARF and COA accredited; offers IOP, outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Methadone treatmentCARF
Why it made our list: CARF accredited; offers outpatient care and MAT; accepts private insurance, Medicaid, and Medicare.
Best for: Supervised detoxJoint Commission
Why it made our list: Joint Commission accredited; offers detox, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Intensive outpatient care
Why it made our list: Offers PHP, IOP, outpatient care, and MAT; accepts private insurance, Medicaid, and Medicare.
Best for: Supervised detoxNCQA
Why it made our list: NCQA accredited; offers detox, outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Residential treatment
Why it made our list: Offers residential care, IOP, outpatient care, and MAT; accepts private insurance, Medicaid, and Medicare.
Best for: Outpatient care with MATJoint Commission
Why it made our list: Joint Commission accredited; offers outpatient care and MAT; accepts private insurance, Medicaid, and Medicare.
Best for: Supervised detox
Why it made our list: Offers detox, outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Detox and residential care
Why it made our list: Offers detox, residential care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Outpatient care with MAT
Why it made our list: Offers outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Missoula, MT 59802
Joint Commission accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Butte, MT 59701
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59102
CARF · COA accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59102
CARF accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Belgrade, MT 59714
CARF accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Kalispell, MT 59901
CARF accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Missoula, MT 59801
CARF accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Livingston, MT 59047
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Bozeman, MT 59715
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Havre, MT 59501
NCQA accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Livingston, MT 59047
Joint Commission accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Great Falls, MT 59405
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59101
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59102
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Helena, MT 59601
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Superior, MT 59872
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Forsyth, MT 59327
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Great Falls, MT 59401
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Box Elder, MT 59521
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance
“Get help” calls our free helpline, not this facility.
Dillon, MT 59725
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Livingston, MT 59047
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Hardin, MT 59034
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Sidney, MT 59270
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Lewistown, MT 59457
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Missoula, MT 59808
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +1 more
“Get help” calls our free helpline, not this facility.
We list 25 rehabs that accept medicare in Montana, based on SAMHSA's FindTreatment.gov data (updated October 2026).
The most listings are in Billings (4), Livingston (3), and Missoula (3).
Look for state licensing and accreditation (The Joint Commission or CARF), the right level of care for your needs, evidence-based therapies, and insurance compatibility. Read our guide to choosing a rehab or call (833) 589-6933 to talk it through.
Most private plans and Medicaid cover substance use treatment when it's medically necessary, but benefits vary by plan and network. Call (833) 589-6933 for a free, confidential benefits check.
Source: SAMHSA FindTreatment.gov, data updated October 2026. Listings are not endorsements.
