We list 11 inpatient rehab centers in Montana, based on SAMHSA's FindTreatment.gov data, with the most in Helena (3), Great Falls (2), and Troy (1). Compare services, insurance accepted and accreditation, or call for free help choosing.
Inpatient / Residential: the basics
Inpatient rehab, also called residential treatment, is live-in addiction care where you stay at a licensed facility around the clock and take part in daily therapy, groups and medical care. Stays often last about 30 to 90 days. It fits people who need more structure than outpatient care can give. Search below to find inpatient rehab centers near you. 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: Detox and residential careJoint CommissionNCQA
Why it made our list: Joint Commission and NCQA accredited; offers detox, residential care, outpatient care, and MAT; accepts private insurance, Medicaid, and self-pay.
Best for: Detox and residential careCARF
Why it made our list: CARF accredited; offers detox, residential care, PHP, and IOP; accepts private insurance, Medicaid, and TRICARE.
Best for: Private-pay residential careJoint Commission
Why it made our list: Joint Commission accredited; offers detox, residential care, MAT, and dual diagnosis care; accepts private insurance and self-pay.
Best for: Residential treatment
Why it made our list: Offers residential care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and self-pay.
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: Residential treatment
Why it made our list: Offers residential care, IOP, outpatient care, and dual diagnosis care; accepts private insurance, Medicaid, and TRICARE.
Best for: Private-pay residential careJoint Commission
Why it made our list: Joint Commission accredited; offers residential care and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.
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: Residential treatment
Why it made our list: Offers residential care, IOP, outpatient care, and MAT; accepts private insurance, Medicaid, and TRICARE.
Billings, MT 59101
CARF accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +2 more
“Get help” calls our free helpline, not this facility.
Helena, MT 59602
Joint Commission · NCQA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +1 more
“Get help” calls our free helpline, not this facility.
Great Falls, MT 59401
Joint Commission accredited
Levels of care
Payment accepted
Private insurance · Self-pay
“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.
Troy, MT 59935
Joint Commission accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay
“Get help” calls our free helpline, not this facility.
Great Falls, MT 59401
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 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.
Helena, MT 59624
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +2 more
“Get help” calls our free helpline, not this facility.
Martin City, MT 59926
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay
“Get help” calls our free helpline, not this facility.
Columbia Falls, MT 59912
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay
“Get help” calls our free helpline, not this facility.
Helena, MT 59601
Levels of care
Payment accepted
Medicaid · Self-pay · Sliding scale +1 more
“Get help” calls our free helpline, not this facility.
We list 11 inpatient rehab centers in Montana, based on SAMHSA's FindTreatment.gov data (updated October 2026).
The most listings are in Helena (3), Great Falls (2), and Troy (1).
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.
