Rimrock

Also known as Main Building

Address: 1231 North 29th Street, Billings, MT 59101 · Map

Phone: (406) 248-3175

Website: rimrock.org

OutpatientDual diagnosisMedicaidPrivate insuranceTRICARE / VASelf-pay

About Rimrock

Rimrock Foundation, located in Billings, Montana, is the largest addiction treatment center in the region. The facility focuses on supportive, person-centered treatment for substance use disorders and co-occurring conditions, using a holistic approach to help clients heal.

Services offered include inpatient and outpatient options, detox, day programs, counseling, and family therapy. Rimrock Foundation also provides specialized programming for adolescents and for DUI-related cases, supporting adults and families who want to regain stability and balance in everyday life. Treatment may involve individual and family therapy, parent-child interaction therapy, eye movement desensitization and reprocessing (EMDR), medication-assisted treatment (MAT), dialectical behavior therapy (DBT), and additional evidence-based methods.

Services reported to SAMHSA

Levels of care
Outpatient
Treatment focus
Substance use treatment · Mental health treatment · Treatment for co-occurring disorders plus serious mental illness (SMI) in adults
Facility type
Residential treatment center (RTC) for adults
Medications used
Nicotine replacement
Treatment approaches
Activity therapy · Cognitive behavioral therapy · Couples/family therapy · Dialectical behavior therapy · Group therapy · Integrated Mental and Substance Use Disorder treatment · Individual psychotherapy · Telemedicine/telehealth therapy · Abnormal involuntary movement scale
Education and counseling
Smoking/vaping/tobacco cessation counseling
Special programs
Veterans · Clients with co-occurring mental and substance use disorders · Clients who have experienced trauma · Persons with eating disorders · Persons with post-traumatic stress disorder (PTSD)
Ages accepted
Young Adults · Adults · Seniors
Payment accepted
Community Service Block Grants · 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 · State welfare or child and family services funds · U.S. Department of VA funds
Ownership
Private non-profit organization
Recovery support
Housing services · Mentoring/peer support
Other services
Assertive community treatment · Court-ordered outpatient treatment · Family psychoeducation · Illness management and recovery · Psychosocial rehabilitation services · Case management service · Integrated primary care services · Suicide prevention services · Education services

Facility-provided information

Care offered
Detox · Co-Occurring Mental Health
Substances treated
Alcohol · Benzodiazepines · Chronic Relapse · Co-Occurring Disorders · Cocaine · Drug Addiction · Heroin · Methamphetamine · Opioids
Conditions treated
Anxiety · Bipolar · Depression · Post Traumatic Stress Disorder · Trauma
Therapies
1-on-1 Counseling · Cognitive Behavioral Therapy · Couples Counseling · Eye Movement Therapy (EMDR) · Family Therapy · Life Skills · Medication-Assisted Treatment · Online Therapy · Trauma-Specific Therapy
Approaches
Evidence-Based · Holistic · Personalized Treatment
Who it serves
Adolescents · Boys · Children · Girls · LGBTQ+ · Men · Men and Women · Women
Aftercare
Continuing Care · Discharge Planning · Employment Counseling · Relapse Prevention Planning · Support Meetings
Amenities
Air-Conditioned Rooms · Recreation Room
Languages
English

Questions to ask Rimrock

Also confirm the facility is licensed by Montana. 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.

Distance to specialized care from Billings

Measured from the population center of Yellowstone County, using SAMHSA locator data mapped by FindRehabMap:

See the Yellowstone County treatment map, methadone clinics near Yellowstone County and Suboxone doctors near Yellowstone County.

Frequently asked questions

What services does Rimrock offer?

Rimrock reports these levels of care to SAMHSA: Outpatient, 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

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.

Talk to a treatment provider 24/7: (844) 213-1981