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Trilogy is a nonprofit mental health organization based in Chicago, Illinois, dedicated to supporting individuals living with serious mental illness and co-occurring challenges such as substance use, homelessness, and justice involvement. Established in 1971, Trilogy offers a comprehensive continuum of care designed to promote recovery, independence, and community integration.
Contact Information
1400 West Greenleaf Avenue, Chicago, IL, 60626
Monday: 8:00 AM – 4:30 PM
Tuesday: 8:00 AM – 4:30 PM
Wednesday: 8:00 AM – 4:30 PM
Thursday: 8:00 AM – 4:30 PM
Friday: 8:00 AM – 4:30 PM
Saturday: Closed
Sunday: Closed
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Treatment Services
Levels of Care
Core Services
Therapies & Approaches
Conditions Treated
Populations Served
- Adolescent Services
- Children's Services
Additional Services
- Psychotic Illnesses