Contact Information
Last updated September 21, 2026 · Reviewed by Penny Beach, PRS
Address
50 Northgate Industrial Drive
Granite City, IL 62040
Granite City, IL 62040
Phone
Website
Services Available
About This Agency
Chestnut Health Systems is a nonprofit behavioral health provider serving Illinois and Missouri since 1973, offering mental health and substance use treatment, primary care, and support services such as anger management, motivational interviewing, and relapse prevention at its Granite City location. Chestnut is funded by the Illinois Department of Human Services to provide Overdose Education and Naloxone Distribution (OEND) services and has installed Narcan vending machines in communities it serves.
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