Naltrexone Treatment Centers in Montana
Medically reviewed by Sarah Mitchell, LCSWLast reviewed: April 2026
Our directory lists 37 naltrexone providers across Montana, with the largest concentrations in Billings (5), Missoula (2) and Great Falls (2).
Naltrexone (Vivitrol, Revia) is an opioid antagonist used to treat both alcohol use disorder and opioid dependence. Available as a daily oral tablet or monthly extended-release injection, it blocks opioid receptors to reduce cravings and prevent relapse.
Treatment landscape in Montana:
- Montana Medicaid covers addiction services
- Outdoor and adventure therapy programs
- Small, personalized treatment communities
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Naltrexone providers in Montana
Billings · 5 centers

Community Medical Services
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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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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Helena · 1 center

Florence Crittenton Home and Services
Helena, MT
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Kalispell · 1 center

Community Medical Services
Kalispell, MT
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Showing 18 of 37 naltrexone providers 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.
- Medicaid18
- Private health insurance18
- Cash or self-payment17
- Medicare13
- Federal military insurance (e.g., TRICARE)12
- Federal, or any government funding for substance use treatment programs12
- Outpatient17
- Regular outpatient treatment14
- Outpatient methadone/buprenorphine or naltrexone treatment13
- Outpatient detoxification4
- Intensive outpatient treatment4
Frequently Asked Questions About Naltrexone in Montana
Do I need to provide a criminal-history check to enroll in naltrexone providers in Montana?
No. Montana MAT providers do not require criminal-history disclosure to enroll. Federal law (42 CFR Part 2) protects substance-use treatment records; a criminal record will not block admission to a naltrexone program.
How much does long-acting buprenorphine injection cost without insurance in Montana?
Cash-pay monthly cost for Sublocade in Montana typically runs $1,400–$1,900 per injection, plus administration fees. Manufacturer savings programs, 340B pricing at FQHCs, and State Opioid Response grants can significantly reduce this out-of-pocket cost.
Do I need prior authorization for naltrexone 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.
Do employer-provided high-deductible plans cover naltrexone?
Yes — federal parity rules require employer plans to cover MAT. High-deductible plans charge patient-paid rates until the deductible is met; HSA funds can be used for MAT and medication costs. Many employers also offer EAP programs that pay for an initial assessment.
Are there advocacy organizations for naltrexone patients in Montana?
Yes. Faces & Voices of Recovery chapters, the American Society of Addiction Medicine (ASAM) regional sections, and Montana-based recovery community organizations advocate for patient rights. SAMHSA’s Recovery Community Services Program funds peer-led groups in most Montana counties.
How long does naltrexone treatment typically last in Montana?
Many Montana patients stay on naltrexone 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 naltrexone 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 happens if my drug screen is positive at the first visit?
A positive urine drug screen is expected for most patients entering MAT — it confirms the diagnosis. Positive screens are not used to deny admission at any Montana SAMHSA-certified OTP. Your clinician interprets results and builds an individualized plan from there.
Can naltrexone cause an overdose?
Methadone carries overdose risk during induction when the dose is being titrated, particularly in combination with benzodiazepines, alcohol, or other sedatives. Buprenorphine has a ceiling effect that lowers overdose risk. Naltrexone does not cause opioid overdose. Your Montana clinic monitors risk closely.
Can postpartum women continue naltrexone in Montana?
Yes. Postpartum continuation of MAT is strongly recommended — overdose risk is elevated in the postpartum period. Montana programs increasingly embed MAT within postpartum home-visiting programs to support the mother-infant dyad during the first year.
What is peer-recovery support and is it available in Montana?
Peer-recovery support workers are trained individuals with lived recovery experience who provide mentoring, accompaniment to appointments, and navigation of resources. Montana Medicaid reimburses peer-support services; most mid-sized naltrexone providers employ certified peer specialists.
Can my naltrexone records be used against me in custody court in Montana?
Only if disclosed under very narrow conditions — typically with your consent or specific court order. Being on prescribed naltrexone is legally protected and should not be used against you as a parent. Keep documentation of stability; consult a family-law attorney.
Other Treatment Options in Montana
Naltrexone Treatment in Other States
Need immediate help? Call SAMHSA: 1-800-662-4357 (24/7, free)

