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Drug & Alcohol Rehab Centers in Riverhead, New York

Find verified addiction treatment facilities in Riverhead. Our directory includes 2 licensed rehabilitation centers offering detox, residential, outpatient, and specialty programs. Most facilities accept insurance.

Updated: December 18, 2025
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University Hospital/Stony Brook ELIH
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University Hospital/Stony Brook ELIH

Stony Brook Medicine/Quannacut OP

905 East Main Street, 11901
631-369-8966

Nestled in Riverhead, NY, University Hospital/Stony Brook ELIH is dedicated to providing a wide array of treatment options for substance use disorders. The center not only offers transitional housing but also addresses co-occurring mental health issues for both adults and children. Among the outpatient services available are methadone/buprenorphine treatment and cognitive behavioral therapy. With a particular emphasis on anger management, brief interventions, and tailor-made care for adolescents, adult women, and clients facing co-occurring disorders, the facility is equipped to support both male and female patients. Committed to delivering high-quality care and crafting individualized treatment plans, this facility has earned a reputation as a trusted provider for individuals seeking effective rehabilitation services.

Substance use treatmentTransitional housing, halfway house, or sober homeTreatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children
Suffolk Cnty Dept of Hlth Servs - Placeholder

Suffolk Cnty Dept of Hlth Servs

Div Comm Mental Hyg East End OTP

300 Center Drive, 11901
631-852-2680

Situated in Riverhead, NY, the Suffolk County Department of Health Services stands out as a prominent rehabilitation center that specializes in treating substance use disorders. They provide a variety of services, including outpatient care, as well as outpatient programs featuring methadone, buprenorphine, or naltrexone treatments. The facility serves adult men and women, specifically those who have faced intimate partner violence or domestic violence. With an emphasis on 12-step facilitation, anger management, and brief intervention strategies, this center offers personalized care designed for adults and young adults of all genders. The Suffolk County Department of Health Services is committed to providing high-quality, individualized treatment that supports clients throughout their recovery journey.

Substance use treatment

Addiction Treatment in Riverhead, New York

Riverhead offers specialized addiction treatment options, from medical detox to long-term residential care. Whether you're seeking help for yourself or a loved one,Riverhead's treatment centers provide professional, compassionate care with various program types and payment options.

Why Choose Treatment in Riverhead?
  • Specialized treatment centers with various programs
  • Licensed facilities with experienced professionals
  • Local recovery community and support groups
  • Full continuum of care from detox to aftercare
  • Enormous variety of treatment options
  • Access to world-class medical institutions

Treatment Programs in Riverhead

Medical Detox

Safe, supervised withdrawal with 24/7 medical monitoring

Residential Treatment

Live-in programs with structured daily therapy and support

Outpatient Programs

PHP, IOP, and standard outpatient for flexible recovery

Sober Living

Supportive housing for continued recovery support

Insurance & Payment in Riverhead

NY Medicaid provides comprehensive coverage. State law mandates extensive insurance coverage for addiction treatment.

National Resources

Federal resources and hotlines available 24/7 for addiction support.

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Frequently Asked Questions

Important Notice

This website provides general information about addiction treatment facilities. It is not a substitute for professional medical advice, diagnosis, or treatment. If you are experiencing a mental health crisis, please call 988 (Suicide & Crisis Lifeline) or 911 for immediate assistance. For substance abuse help, call SAMHSA at 1-800-662-4357.

Data sourced from SAMHSA Treatment Locator, state licensing databases, and facility submissions.

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