Marks of Quality Care

Chestnut Health Systems™ behavioral health program has been continually accredited by The Joint Commission since 1975. TJC has awarded its Gold Seal of Approval to Chestnut's behavioral health programs as well as its ambulatory health services and primary health care. Chestnut is a National Health Services Corps approved site of the Health Resources & Services Administration.


Licensed and partially funded by the Illinois Department of Human Services/Division of Substance Use Prevention and Recovery (IDHS/SUPR)


Association of Community Mental Health Authorities of Illinois – 708 Board

Illinois Association of Behavioral Health

Illinois Association of Rehabilitation Facilities

Illinois Primary Health Care Association

National Association of Addiction Providers

National Council for Behavioral Health

Open Minds