a cardboard cutout of a brain in someone's skull next to a mental health awareness ribbon
Mental Health (MH)

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 disorder, mental illness, intellectual/developmental disabilities and/or developmental disabilities. Community Mental Hygiene Services are authorized under the New York State Mental Hygiene Law. The Division functions in concert with New York State's Office of Mental Health, Office of Addiction Services and Supports, and the Office of Developmental Disabilities.

  • Coordinate and oversee treatment services for mental health, substance use, and those with 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, intellectual/developmental disabilities, or developmental disabilities
  • Evaluate 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 substance use disorder, mental illness, and developmental disabilities.

Important Numbers:

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

  • Family Service League’s Diagnostic, Assessment, and Stabilization Hub (DASH) Program, 24/7 hotline: For mental health, addiction, and crisis care for children and adults in Suffolk County, call (631) 952–3333

  • 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