Chestnut Health Systems

Outpatient Rehab·Mental Health Center

Chestnut Health Systems' Granite City site at 50 Northgate Industrial Drive combines primary care with mental health and substance use treatment under one roof, with published weekday hours and walk-in assessment available. The organization works across Illinois and Missouri, reported 1,229 medication-assisted treatment and recovery clients in 2024, and runs school-based services at more than 80 Illinois locations; its Crisis Residential Unit in nearby Maryville provides 24-hour short-term supervised care for adults 18 and over on a voluntary basis, with an average length of stay of 14 days. Medicare, private and military insurance and self-payment are accepted, and Chestnut states that it offers sliding fee discounts to keep care accessible.

Outpatient Rehab

Chestnut Health Systems is a private, not-for-profit 501(c)(3) organization that has provided behavioral health, substance use, and primary care across Illinois and Missouri since 1975. The Belleville location offers intensive outpatient substance use treatment for adults, including veterans. Chestnut accepts Medicare, military insurance, and private insurance.

Treatment Center

Chestnut Health Systems in Bloomington is a treatment facility and inpatient rehab for men and women, as well as expectant mothers and women with children. They may have some payment assistance available to fund your treatment.