Rimrock
Also known as Main Building
DetoxResidentialHospital inpatientOutpatientIntensive outpatientPartial hospitalizationMATDual diagnosisMedicaidPrivate insuranceTRICARE / VASelf-pay
Services reported to SAMHSA
- Levels of care
- Hospital inpatient/24-hour hospital inpatient · Residential/24-hour residential · Hospital inpatient detoxification · Hospital inpatient treatment · Outpatient detoxification · Outpatient day treatment or partial hospitalization · Intensive outpatient treatment · Outpatient methadone/buprenorphine or naltrexone treatment · Regular outpatient treatment · Residential detoxification · Short-term residential
- Treatment focus
- Substance use treatment · Detoxification · Treatment for co-occurring disorders plus serious mental illness (SMI) in adults
- Detox services
- Alcohol Detoxification · Benzodiazepines Detoxification · Cocaine Detoxification · Methamphetamines detoxification · Opioids detoxification · Medication routinely used during detoxification
- Opioid treatment
- Buprenorphine maintenance · Prescribes buprenorphine · Prescribes naltrexone · Accepts clients using MAT but prescribed elsewhere · Lofexidine or Clonidine detoxification · Maintenance service with medically supervised withdrawal after stabilization
- Medications used
- Acamprosate (Campral®) · Disulfiram · Buprenorphine with naloxone · Buprenorphine without naloxone · Buprenorphine (extended-release, injectable) · Naltrexone (oral) · Naltrexone (extended-release, injectable) · Clonidine · Medication for mental disorders · Nicotine replacement · Non-nicotine smoking/tobacco cessation
- Treatment approaches
- Anger management · Brief intervention · Cognitive behavioral therapy · Contingency management/motivational incentives · Community reinforcement plus vouchers · Motivational interviewing · Matrix Model · Relapse prevention · Substance use disorder counseling · Trauma-related counseling · Telemedicine/telehealth therapy · 12-step facilitation
- Education and counseling
- HIV or AIDS education, counseling, or support · Hepatitis education, counseling, or support · Health education services other than HIV/AIDS or hepatitis · Substance use disorder education · Smoking/vaping/tobacco cessation counseling · Individual counseling · Group counseling · Family counseling · Marital/couples counseling · Vocational training or educational support (for example, high school coursework, GED preparation, etc.)
- Special programs
- Young adults · Adult women · Pregnant/postpartum women · Adult men · Seniors or older adults · Veterans · Active duty military · Members of military families · Criminal justice (other than DUI/DWI)/Forensic clients · Clients with co-occurring mental and substance use disorders · Clients with co-occurring pain and substance use disorders · Clients with HIV or AIDS · Clients who have experienced sexual abuse · Clients who have experienced intimate partner violence, domestic violence · Clients who have experienced trauma
- Exclusive programs
- Specially designed program for DUI/DWI clients
- Ages accepted
- Young Adults · Adults · Seniors
- Genders accepted
- Female · Male
- Payment accepted
- Federal, or any government funding for substance use treatment programs · IHS/Tribal/Urban (ITU) funds · Medicaid · Federal military insurance (e.g., TRICARE) · Private health insurance · Cash or self-payment · State-financed health insurance plan other than Medicaid · SAMHSA funding/block grants
- Licensing and accreditation
- State substance use treatment agency · State mental health department · Commission on Accreditation of Rehabilitation Facilities (CARF)
- Ownership
- Private non-profit organization
- Recovery support
- Self-help groups · Housing services · Assistance with obtaining social services · Mentoring/peer support · Employment counseling or training
- Transitional services
- Aftercare/continuing care · Discharge Planning · Naloxone and overdose education · Outcome follow-up after discharge
- Other services
- Case management service · Mental health services · Social skills development · Transportation assistance · Integrated primary care services · Suicide prevention services
Questions to ask Rimrock
- Is my specific plan in network, and do you need prior authorization before admission?
- Do you provide medical detox on site, and how many days does it usually last?
- How long is the typical residential stay, and can family visit?
- How many hours a week is the outpatient or IOP schedule, and are evening groups available?
- Which medications do you prescribe (buprenorphine, methadone, naltrexone), and can I continue a medication I already take?
- Do you treat mental health conditions such as depression or anxiety at the same time?
Also confirm the facility is licensed by Montana (this facility reports accreditation). If you are withdrawing from alcohol or benzodiazepines, ask about medical detox; do not stop suddenly on your own.
Paying for treatment at Rimrock
Rimrock reports accepting Medicaid, Private insurance, TRICARE / VA, Self-pay. With Montana Medicaid, treatment is usually covered at little or no cost, though some levels of care need prior authorization. Most private plans must cover substance use treatment on terms comparable to other medical care under federal parity law.
Frequently asked questions
What services does Rimrock offer?
Rimrock reports these levels of care to SAMHSA: Detox, Residential, Hospital inpatient, Outpatient, Intensive outpatient, Partial hospitalization, MAT, Dual diagnosis. Call to confirm current services and openings.
Does Rimrock accept insurance?
It reports accepting Medicaid, Private insurance, TRICARE / VA, Self-pay. Ask whether your specific plan is in network before admission.
Where is Rimrock located?
1231 North 29th Street, Billings, MT 59101.
How far is the nearest medical detox from Billings?
From the center of Yellowstone County, the closest program offering medical detox is in Billings, about 1.3 miles away (straight-line), based on SAMHSA locator data mapped by FindRehabMap.
Other treatment facilities in Billings
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See all 25 facilities in Billings · Residential · Outpatient · Intensive outpatient · MAT · Accepts Medicaid · Accepts Medicare
Last reviewed 2026-10-06. Facility details come from SAMHSA's FindTreatment.gov locator and facility-provided information. Confirm services, availability and payment directly with the facility.