Eastern Long Island Hospital

Quannacut Outpatient Services

Eastern Long Island Hospital logo

814 Harrison Avenue, Riverhead, NY 11901, USA


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A caring team approach assures your comfort.

September 17 & 18 – North Fork Open Tennis Tournament, Two Day Double Elimination Event, Men’s Doubles and Ladies Doubles coordinated by Pro Mark Brent at The Courts of Peconic Landing, Greenport. Entry fee: $200 per team. Continental breakfast and lunch served Saturday and Sunday. Hosted by the TWIGS Branch of the ELIH Auxiliary. Sponsored by Peconic Landing. Spectators Welcomed! Registration available online at www.ELIH.org or call 631-298-5398 for more information.

September 25 - Dream Green Extravaganza, 65 Cash prizes, Grand prize $50,000. Tickets $100. Drawing at the Maritime Festival. Buy online at www.ELIH.org or call 631-477-5463.

October 6 – Italian Nite Dinner, Choice of Chicken Parmesan or Spaghetti with Meatballs, 12 noon to 8 pm, take-out available. Hosted by the East End/Shelter Island Branch of the ELIH Auxiliary. Tickets: $20, available at the door and at ELIH’s Corner Gift Shop or call 631.477.2047.

Eastern Long Island Hospital | 201 Manor Place | Greenport, NY 11944


Primary Focus of the Provider

  • Substance Abuse Treatment Services

Type of Care

  • Substance abuse treatment
  • Relapse prevention from naltrxone
  • Buprenorphine used in treatment
  • Naltrexone (oral)
  • Vivitrol (injectable Naltrexone)
  • Prescribes/administer buprenorphine and/or naltrexone

Facility Type


Treatment Approaches

  • Cognitive/behavioral therapy
  • Substance abuse counseling approach
  • Trauma-related counseling

Facility Smoking Policy

  • Smoking not permitted

Service Setting (e.g., Outpatient, Residential, etc.)

  • Outpatient
  • Outpatient methadone/buprenorphine or vivitrol
  • Regular outpatient treatment
  • General Hospital(including VA hospital)

Facility Operation (e.g. Private, Public)

  • Private organization
  • State substance abuse agency
  • State department of health
  • The Joint Commission

Payment/Insurance Accepted

  • Cash or self-payment
  • Medicaid
  • Medicare
  • Private health insurance

Emergency Mental Health Services


Payment Assistance Available

  • Sliding fee scale (fee is based on income and other factors)

Language Services


Special Programs/Groups Offered

  • Persons with co-occurring mental and substance abuse disorders
  • Adult women
  • Adult men
  • Transitional age young adults

Ancillary Services

  • Non-nicotine smoking/tobacco cessation medications
  • Individual counseling offered
  • Group counseling offered
  • Family counseling offered
  • Marital/couples counseling offered
  • 12-step faciltitation approach
  • Brief intervention approach
  • Contingency management/motivational incentive
  • Motivational interviewing
  • Anger management
  • Relapse prevention

Age Groups Accepted

  • Children/adolescents
  • Adults

Gender Accepted

  • Female
  • Male

Exclusive Services

  • DUI/DWI clients

  • Eastern Long Island Hospital

    814 Harrison Avenue, Riverhead, NY 11901