276 River Street, Waltham, MA 02453
Located at 276 River Street in Waltham, Massachusetts, Square Medical Group – COE River House is a private addiction treatment provider. The COE River House program is operated by Square Medical Group.
Levels of care offered here include residential (inpatient) treatment, medication-assisted treatment (MAT), co-occurring (dual diagnosis) mental health treatment, and telehealth therapy. Clinicians use approaches such as brief intervention, cognitive behavioral therapy, motivational interviewing, Matrix Model, and relapse prevention. For opioid use disorder, the program uses buprenorphine and naltrexone. It also prescribes medication for alcohol use disorder.
Square Medical Group – COE River House accepts Medicaid, military insurance (TRICARE), private health insurance, cash or self-payment, and state-financed health insurance plan other than Medicaid. Coverage depends on your specific plan, so verify benefits before admission.
The program accepts adults and seniors and serves male clients only. It offers specialized groups for clients with co-occurring mental and substance use disorders. Services are available in Spanish.
The facility reports licensing or certification from the state substance use treatment agency.
Support services include aftercare/continuing care, discharge planning, naloxone and overdose education, and outcome follow-up after discharge.
| Licensing & accreditation | State substance use treatment agency |
|---|---|
| Ages accepted | Adults, Seniors |
| Language services | Spanish |
| Operated by | Private for-profit organization |
276 River Street
Waltham, MA 02453
Facility's own contact617-916-5069 · squaremedicalgroup.org
Square Medical Group – COE River House lists the following levels of care: inpatient / residential, medication-assisted treatment (MAT), dual diagnosis, and telehealth. Services can change, so confirm current programs before admission.
According to SAMHSA data, Square Medical Group – COE River House accepts medicaid, military insurance (tricare), private health insurance, cash or self-payment, and state-financed health insurance plan other than medicaid. Your exact coverage depends on your plan and network status. You can check your benefits with your insurer, or call (877) 847-2855 for a free benefits check.
Square Medical Group – COE River House does not list detox services. If you need medically supervised withdrawal first, see detox programs or call (877) 847-2855 for help finding one.
Square Medical Group – COE River House reports licensing or certification from: State substance use treatment agency.
Square Medical Group – COE River House accepts adults and seniors (male clients only). Specialized groups include adult men and clients with co-occurring mental and substance use disorders.
Admission usually starts with a phone screening and insurance check, followed by an assessment. You can contact Square Medical Group – COE River House directly at 617-916-5069. To compare Square Medical Group – COE River House with other options and verify your insurance, call our admissions helpline at (877) 847-2855. Our helpline is not affiliated with Square Medical Group – COE River House.
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Source: SAMHSA FindTreatment.gov, data updated October 2026. Facilities report this information to SAMHSA, and it can change, so confirm details before admission. A listing is not an endorsement. StartDrugRehab is not affiliated with Square Medical Group – COE River House.
