Best Substance Use Treatment clinics in Belvidere, IL.

Rosecrance Belvidere Clinic in Belvidere, Illinois provides substance use treatment and mental health services. The clinic offers outpatient, intensive outpatient, and aftercare levels of care, along with treatment modalities including individual therapy, cognitive behavioral therapy, family counseling, and telemedicine. It accepts most private insurance, Medicaid, and other payment options.

Rosecrance is a nonprofit behavioral health provider specializing in addiction treatment and mental health services. It operates residential, intensive outpatient (IOP), and partial hospitalization (PHP) programs for teens and adults, with additional support services such as detox, recovery housing, crisis services, veterans’ programs, and criminal-justice programs. Rosecrance serves Illinois, Wisconsin, and Iowa, and has expanded through acquisitions (notably Ascend CHC in 2025). Headquartered in Rockford, IL, the organization runs multiple locations within Illinois (including Rockford and nearby areas) and has a network of 11 offices across the United States. Key facts: nonprofit behavioral health provider, founded 1916, CEO Dr.