Case/Care Management | Chestnut Health Systems - Belleville
12 North 64th Street, Belleville, IL 62223
Eligibility
Case Management: Age 18 years and older chronically mentally ill
MHJJ (Mental Health Juvenile Justice):
Youth ages 12-18 years with mental health issues
Youth ages 12-18 years who are in the detention center
Accepts youth ages 12-18 years who have the state medical card or no insurance
Required documents
Case Management: Proof of Income, Insurance Card
MHJJ (Mental Health Juvenile Justice): State Medical Card
Hours
Mon, Tue, Wed, and Fri - 8:00am to 5:00pm
Thu - 8:00am to 7:00pm
988
Voice·
National Suicide Hotline 3 Digit Dialing
888-924-3786
Voice·
Main
Website
https://www.chestnut.orgLanguages
English
Application process
Call To Apply
Fees
Call for details
Service area
St. Clair County in Illinois
Chestnut offers a comprehensive scope of behavioral health and human services in Illinois and Missouri. Our professional and experienced staff is committed to providing high-quality care and services to the communities we serve. From drug and alcohol addiction treatment facilities (residential and outpatient) to primary care medical homes, to a research institute, Chestnut continuously works to achieve its mission to make a difference and improve quality of life through excellence in service.
Last Assured
05/19/2026
What's Here
Providing organization
CHESTNUT HEALTH SYSTEMS
Chestnut offers a comprehensive scope of behavioral health and human services in Illinois and Missouri. Our professional and experienced staff is committed to providing high-quality care and services to the communities we serve. From drug and alcohol addiction treatment facilities (residential and outpatient) to primary care medical homes, to a research institute, Chestnut continuously works to achieve its mission to make a difference and improve quality of life through excellence in service.