University Hospital/Stony Brook ELIH Stony Brook Medicine/Quannacut OP

905 East Main Street, Riverhead, NY 11901

✓ Joint Commission 2 care levels
(833) 567-5838 Free · Confidential · 24/7

About University Hospital/Stony Brook ELIH Stony Brook Medicine/Quannacut OP

Comprehensive outpatient center offering integrated mental health and substance use treatment with individual and group therapy, medication management. University Hospital/Stony Brook ELIH Stony Brook Medicine/Quannacut OP is located in Riverhead, NY. The facility provides Co-Occurring Mental Health, Outpatient programs. Treatment approaches include 1-on-1 Counseling, Cognitive Behavioral Therapy, Family Therapy, Group Therapy, Life Skills. This center serves Men, Women, Adolescents, Children, Young Adults. University Hospital/Stony Brook ELIH Stony Brook Medicine/Quannacut OP accepts 24 insurance providers, including Aetna, Anthem, BlueCross BlueShield, Bright Health. The program holds Joint Commission accreditation. For more information or to verify insurance coverage, call (833) 567-5838.

Who This Center Serves

Men Women Adolescents Children Young Adults

Services Offered

Substance use treatment Transitional housing, halfway house, or sober home Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children
Outpatient Outpatient methadone/buprenorphine or naltrexone treatment Regular outpatient treatment
General Hospital (including VA hospital)
Buprenorphine used in Treatment Naltrexone used in Treatment
In-network prescribing entity Other contracted prescribing entity No formal relationship with prescribing entity
Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere This facility administers/prescribes medication for alcohol use disorder
In-network prescribing entity Other contracted prescribing entity No formal relationship with prescribing entity
Buprenorphine maintenance Prescribes buprenorphine Prescribes naltrexone Relapse prevention with naltrexone Accepts clients using MAT but prescribed elsewhere Lofexidine or Clonidine detoxification
Acamprosate (Campral®) Disulfiram Buprenorphine sub-dermal implant 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
Anger management Brief intervention Cognitive behavioral therapy Motivational interviewing Relapse prevention Substance use disorder counseling Telemedicine/telehealth therapy Trauma-related counseling
Private non-profit organization
State Substance use treatment agency State department of health The Joint Commission Drug Enforcement Agency (DEA)
Federal, or any government funding for substance use treatment programs IHS/Tribal/Urban (ITU) funds Medicare Medicaid Private health insurance Cash or self-payment
Sliding fee scale (fee is based on income and other factors)
Adolescents Young adults Adult women Clients with co-occurring mental and substance use disorders Clients who have experienced trauma
Comprehensive mental health assessment Comprehensive substance use assessment Outreach to persons in the community Complete medical history/physical exam Screening for tobacco use Screening for substance use Screening for mental disorders
Breathalyzer or blood alcohol testing Drug and alcohol oral fluid testing Drug or alcohol urine screening
Aftercare/continuing care Discharge Planning Naloxone and overdose education Outcome follow-up after discharge
Assistance with obtaining social services Mentoring/peer support
Substance use disorder education Individual counseling Group counseling Family counseling Marital/couples counseling
Smoking not permitted
Children/Adolescents
Female Male
Specially designed program for DUI/DWI clients
Sign language services for the deaf and hard of hearing Spanish
Vaping not permitted
Case management service Social skills development Integrated primary care services Suicide prevention services

What to Expect at University Hospital/Stony Brook ELIH Stony Brook Medicine/Quannacut OP

1. Initial Assessment

A clinical team evaluates your history, needs, and goals to create a personalized plan.

2. Active Treatment

Evidence-based therapies including 1-on-1 Counseling and Cognitive Behavioral Therapy, typically 30 days.

3. Progress & Recovery

Regular progress reviews, skill-building sessions, and adjustment of your treatment plan.

4. Aftercare Planning

Continued support, relapse prevention strategies, and connections to community resources for lasting recovery.

Contact Information

905 East Main Street, Riverhead, NY, 11901

Quick Facts

Program30 days
FocusThis center treats substance u...
Insurance24 accepted
AccreditationJoint Commission

Free 24/7 Helpline

(833) 567-5838

Insurance verification · No obligation

Levels of Care

Available treatment intensities

Conditions & Substances Treated

Co-Occurring Disorders Drug Addiction Chronic Relapse

Verify Your Insurance Coverage

Free verification · Know your costs before you commit

(833) 567-5838

Frequently Asked Questions

University Hospital/Stony Brook ELIH Stony Brook Medicine/Quannacut OP accepts 24 insurance providers including Aetna, Anthem, BlueCross BlueShield, Bright Health, CareFirst. Coverage varies by plan. Call (833) 567-5838 for free verification.

University Hospital/Stony Brook ELIH Stony Brook Medicine/Quannacut OP offers Co-Occurring Mental Health, Outpatient, with therapies including 1-on-1 Counseling, Cognitive Behavioral Therapy, Family Therapy, Group Therapy. Plans are individualized.

Costs vary by level of care, duration, and insurance. Most major insurance is accepted. Call (833) 567-5838 for a free cost estimate.

Yes. Browse all centers in NY or call (833) 567-5838 for recommendations.

Treatment starts with a comprehensive assessment, then a personalized plan with individual therapy, group sessions, and evidence-based methods. Programs typically last 30 days. Aftercare planning ensures ongoing support.

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Need Help Choosing the Right Center?

Our counselors are available 24/7 to help you find the right program.

(833) 567-5838

Free · Confidential · No Obligation

Information last verified: April 2026 · Data sourced from SAMHSA
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