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Verified Treatment Center

Chestnut Health Systems

Granite City, IL · 62040

SAMHSA Verified Joint Commission Outpatient MAT Dual Dx
Specializes in Dual Diagnosis Trauma-Informed Adolescent

Key Takeaways for Chestnut Health Systems

  • Outpatient · MAT · Dual Dx offered
  • Accepts Medicaid, Medicare, Private insurance
  • Joint Commission accredited · SAMHSA-listed facility
  • Direct line available · Helpline free & confidential 24/7

About Chestnut Health Systems

Private non-profit providing residential treatment for adults with co-occurring mental health and substance use disorders, individual therapy, and crisis intervention.

Listing sourced from the SAMHSA Behavioral Health Treatment Services Locator. Data last synced April 2026. Verify current programs directly with the facility.

Chestnut Health Systems at a Glance

Levels of care

Outpatient · MAT · Dual Dx

Service settings

Outpatient

Therapy approaches

Cognitive behavioral therapy, Dialectical behavior therapy, Group therapy, Integrated Mental and Substance Use Disorder treatment, Individual psychotherapy, Telemedicine/telehealth therapy

Age groups

Children/Adolescents, Young Adults, Adults, Seniors

Special populations

Clients with co-occurring mental and substance use disorders, Clients who have experienced trauma, Persons 18 and older with serious mental illness (SMI)

Medications

Antipsychotics used in treatment of SMI

Insurance & Payment Accepted

Confirm in-network status before admission — verification is free.

Private insurance

Coverage details →

TRICARE / VA

Contact & Location

Address

50 Northgate Industrial Drive, Granite City, IL 62040

Facility direct line

618-235-0330