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, integrated care and services to our communities. From substance use 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.
Chestnut is comprised of the following four core service areas: - Substance use treatment and prevention - Mental health treatment and housing for persons with mental illness - Applied behavioral research, training, and publications - Primary care treatment and preventative services
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