In crisis? Call or text 988 (Suicide & Crisis Lifeline) or 911. SAMHSA's National Helpline: 1-800-662-HELP (4357) — free, confidential, 24/7.

University Hospital/Stony Brook ELIH

University Hospital/Stony Brook ELIH is an addiction treatment facility at 905 East Main Street in Riverhead, New York, offering hospital inpatient treatment, partial hospitalization or residential treatment, and outpatient treatment, according to its SAMHSA FindTreatment.gov listing as of November 5, 2026. The same record also lists medication-assisted treatment and opioid treatment medications. Payment options listed in the record include Cash or self-payment, Federal, or any government funding for substance use treatment programs, IHS/Tribal/Urban (ITU) funds, and Medicaid. The directory lists 631-369-8966 as the facility's phone number. All details on this page come from that federal record and should be confirmed directly with the facility.

905 East Main Street, Riverhead, NY, 11901

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Contact & Location

Address: 905 East Main Street, Riverhead, NY, 11901

Phone: 631-369-8966

Website: https://elih.stonybrookmedicine.edu

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Services & Programs

Treatment Types

  • Hospital Inpatient Treatment
  • Opioid Medication Service Components
  • Opioid Treatment Medications
  • Outpatient
  • Partial Hospitalization / Residential
  • Substance Use Medication-Assisted Treatment

Insurance & Payment

  • Cash or self-payment
  • Federal, or any government funding for substance use treatment programs
  • IHS/Tribal/Urban (ITU) funds
  • Medicaid
  • Medicare
  • Private health insurance
  • Sliding fee scale (fee is based on income and other factors)

Languages & Accessibility

  • Sign language services for the deaf and hard of hearing
  • Spanish

Other facilities in Riverhead

Other facilities in New York

View all Riverhead facilities →

Levels of care this record lists, across New York: Inpatient · Residential · Medication-Assisted Treatment · Outpatient

Need Help Deciding?

Contact University Hospital/Stony Brook ELIH directly at 631-369-8966, or call the SAMHSA National Helpline for free, confidential referrals 24/7.

SAMHSA Helpline: 1-800-662-HELP
Disclaimer: Facility information on this page is sourced from the SAMHSA FindTreatment.gov directory and provided for informational purposes only. Rehab Connect USA is an independent directory and is not affiliated with, does not endorse, and does not guarantee the quality of care at any listed facility. Verify services, licensure, and insurance acceptance directly with the facility before making treatment decisions. If you or someone you know needs immediate help, call the SAMHSA National Helpline at 1-800-662-HELP (4357) -- free, confidential, 24/7.

Last checked against FindTreatment.gov: November 5, 2026.