Medication-Assisted Treatment (MAT) Centers in Montana
Medically reviewed by Sarah Mitchell, LCSWLast reviewed: April 2026
Our directory lists 62 MAT programs across Montana, with the largest concentrations in Billings (6), Kalispell (2) and Helena (2).
Medication-Assisted Treatment (MAT) combines FDA-approved medications — methadone, buprenorphine, and naltrexone — with counseling and behavioral therapies for comprehensive addiction care. MAT is the evidence-based gold standard for opioid and alcohol use disorders.
Treatment landscape in Montana:
- Montana Medicaid covers addiction services
- Outdoor and adventure therapy programs
- Small, personalized treatment communities
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MAT programs in Montana
Billings · 6 centers

Community Medical Services
Billings, MT
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Billings Urban Indian Health and
Billings, MT
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New Day Inc
Billings, MT
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South Central Montana Regional MHC
Billings, MT
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Rimrock
Billings, MT
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Butte · 2 centers

Montana Chemical Dependency Ctr
Butte, MT
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Southwest MT Community Health Center
Butte, MT
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Great Falls · 2 centers

Indian Family Health Clinic
Great Falls, MT
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Helena · 2 centers

Florence Crittenton Home and Services
Helena, MT
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Kalispell · 2 centers

Community Medical Services
Kalispell, MT
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Oxytocin LLC
Kalispell, MT
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Missoula · 2 centers

Community Medical Services
Missoula, MT
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Western Montana Addiction Services
Missoula, MT
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Anaconda · 1 center

Western Montana Tri County
Anaconda, MT
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Belgrade · 1 center

Community Medical Services
Belgrade, MT
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Box Elder · 1 center
Harlowton · 1 center

Meadowlark Counseling
Harlowton, MT
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Havre · 1 center

Bullhook Community Health Center Inc
Havre, MT
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Livingston · 1 center

Lesprit Behavioral Health Center
Livingston, MT
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Showing 22 of 62 MAT programs in Montana. Browse all centers in Montana
Montana Medicaid (HELP Plan)
Montana Medicaid covers buprenorphine and naltrexone statewide; methadone is covered at the state’s small network of OTPs.
State regulations
Montana licenses OTPs through the Department of Public Health and Human Services Addictive and Mental Disorders Division.
- Medicaid22
- Private health insurance22
- Cash or self-payment21
- Medicare16
- Federal military insurance (e.g., TRICARE)15
- Federal, or any government funding for substance use treatment programs15
- Outpatient21
- Regular outpatient treatment18
- Outpatient methadone/buprenorphine or naltrexone treatment15
- Intensive outpatient treatment7
- Outpatient detoxification4
Frequently Asked Questions About MAT in Montana
Is there an upper age limit for mat?
No age cap. Patients in their 60s, 70s, and 80s successfully receive mat in Montana. Older adults may need dose adjustments, additional ECG screening (for methadone), or monitoring for interactions with chronic-disease medications, but age alone is not a barrier.
How much does Vivitrol (naltrexone injection) cost without insurance?
Vivitrol monthly cost without insurance typically falls between $1,100 and $1,500 per injection in Montana. The manufacturer Alkermes offers a patient-assistance co-pay savings card; state-funded programs also cover Vivitrol for uninsured patients in many counties.
Do I need prior authorization for mat under Montana Medicaid (HELP Plan)?
Most Montana Medicaid (HELP Plan) plans have eliminated prior authorization for MAT medications, but long-acting injectables like Sublocade and Vivitrol may still require PA. Your Montana provider’s billing staff will handle any authorizations needed before your first dose.
Does my commercial plan cover long-acting buprenorphine (Sublocade) in Montana?
Yes. Montana commercial plans cover Sublocade under the medical benefit (administered in clinic) with prior authorization documenting adherence to sublingual buprenorphine. The mat provider’s office handles the PA paperwork.
What agency regulates MAT programs in Montana?
Montana’s state behavioral-health authority licenses MAT facilities, and the Substance Abuse and Mental Health Services Administration (SAMHSA) certifies Opioid Treatment Programs. The Drug Enforcement Administration (DEA) regulates controlled-substance handling at every MAT site.
How long does mat treatment typically last in Montana?
Many Montana patients stay on mat for a year or more, and some stay indefinitely. Duration depends on individual stability, quality of life, and risk of relapse. Research consistently shows that longer MAT duration is associated with lower overdose mortality.
Can I start mat the same day I call?
Same-day induction is increasingly common in Montana — especially for buprenorphine at low-barrier clinics and in emergency departments. Methadone same-day starts depend on OTP capacity; call early in the day to maximize your chance of same-day intake.
What questions will the clinician ask at my first mat visit?
Expect questions about your substance use history, overdose history, medical and mental-health conditions, current medications, pregnancy risk, social support, housing, legal status, and treatment goals. Answers help tailor the plan — honesty produces better clinical care, and answers are protected under 42 CFR Part 2.
Does mat interact with other medications?
Yes. Benzodiazepines, alcohol, and some sleep medications significantly increase sedation risk. HIV medications and certain antibiotics can alter methadone levels. Always share your full medication list with the Montana MAT clinician so interactions can be managed.
Does Montana Medicaid (HELP Plan) cover perinatal MAT?
Yes. Montana Medicaid (HELP Plan) covers MAT during pregnancy and for 12 months postpartum in Montana, with priority access and typically no cost-sharing. Pregnancy Medicaid applications are fast-tracked in most Montana counties — ask at intake.
What types of counseling are available with mat in Montana?
Common options include cognitive-behavioral therapy, motivational interviewing, contingency management, group counseling, and trauma-focused therapy. Many Montana programs also offer peer-recovery support. The clinical team matches you with the modality most aligned to your goals.
Does mat violate Montana employment drug-testing rules?
No. Legally prescribed methadone, buprenorphine, or naltrexone does not violate employment drug-testing policies when documented by your MAT clinician. Notify the Medical Review Officer (MRO) of your prescription — do not test positive without MRO notification.
Other Treatment Options in Montana
Medication-Assisted Treatment in Other States
Need immediate help? Call SAMHSA: 1-800-662-4357 (24/7, free)

