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Substance Use Disorder (SUD)

The Division of Community Mental Hygiene Services is the local governmental unit responsible for the coordination and oversight of all community services to persons with alcohol and substance use disorders, mental illness, and intellectual and/or developmental disabilities. The Division of Community Mental Hygiene Services is authorized under the New York State Mental Hygiene Law, and it functions in concert with New York State’s Office of Mental Health, New York State Office of Addiction Services and Supports, and the Office for People with Developmental Disabilities. The scope of the Division's responsibilities include:

  • Coordinate and oversee treatment services for mental health and substance use disorders, as well as those with mental, intellectual, or developmental disabilities in Suffolk County;
  • Work with communities, consumers and other interested groups to improve services and to pursue program development that is consistent with the Suffolk County/New York State planning process;
  • Establish procedures and implement programs either directly or through contracts with other agencies to serve people with mental illness, substance use disorder and intellectual or developmental disabilities;
  • Evaluate those services to ensure that they comply with all pertinent regulations and appropriately serve their intended populations; and
  • Provide education and training either directly or through contracts to increase awareness of mental illness, substance use disorders, and intellectual or developmental disabilities.

Important Numbers:

If you are experiencing a mental health or substance use crisis, call for help!

  • Call Family Service League’s Diagnostic, Assessment, and Stabilization Hub (DASH) Program at (631) 952–3333 for 24/7 services for mental health, substance use, and crisis care for children and adults in Suffolk County

  • 988 Suicide and Crisis Lifeline: If you are feeling suicidal, are in need of support or rescue, or are in crisis, call or text 988. Help is available 24/7

    • For local support, call the Response of Suffolk 24/7 Crisis Hotline (631) 751-7500

  • For a medical emergency, call 911