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Chestnut Health Systems

Granite City, IL

SAMHSA Verified Joint Commission Outpatient MAT Dual Dx Telehealth

Outpatient · MAT · Dual Dx · Telehealth center · in Granite City, IL · Accepts Medicaid · Medicare · Private · Serves adolescents, seniors, trauma survivors.

Free helpline · 24/7

Need help choosing the right program?

Call helpline: +1 (205) 973-2878

Direct line to Chestnut Health Systems: 618-235-0330

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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.

Private non-profit organization. Primary focus: substance use treatment, mental health treatment.

This listing is sourced from the SAMHSA Behavioral Health Treatment Services Locator. Data last synced: April 2026. Always verify current programs and insurance directly with the facility.

Quick Facts

Programs, populations, and payments verified via SAMHSA.

Level of care
Outpatient · MAT · Dual Dx · Telehealth
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 used
Antipsychotics used in treatment of SMI
Recovery supports
Mentoring/peer support
Emergency services
Crisis intervention team, Psychiatric emergency mobile/off-site services
Facility operation
Private non-profit organization

Insurance & Payment Accepted

Verify coverage
Medicaid
Medicare
Private insurance
TRICARE / VA
Self-pay / Cash
Sliding scale

Full list from SAMHSA: County or local government funds; Medicare; Medicaid; Private health insurance; Cash or self-payment; State-financed health insurance plan other than Medicaid; State mental health agency (or equivalent) funds

Contact & Location

Address

50 Northgate Industrial Drive, Granite City, IL 62040

Get directions →

Facility direct line

618-235-0330

Frequently Asked Questions

Does Chestnut Health Systems accept Medicaid?
Yes. According to SAMHSA data, Chestnut Health Systems accepts Medicaid. Coverage specifics (copays, prior authorization) depend on the specific IL Medicaid plan. Call 618-235-0330 to verify your benefits.
What level of care does Chestnut Health Systems offer?
This facility offers: Outpatient, MAT, Dual Dx, Telehealth. Service settings include: Outpatient. Primary focus: Substance use treatment, Mental health treatment, Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children.
Does Chestnut Health Systems have specialized programs?
Yes — this facility offers programs for: Clients with co-occurring mental and substance use disorders, Clients who have experienced trauma, Persons 18 and older with serious mental illness (SMI).
What therapy methods does Chestnut Health Systems use?
Evidence-based approaches listed with SAMHSA: Cognitive behavioral therapy, Dialectical behavior therapy, Group therapy, Integrated Mental and Substance Use Disorder treatment, Individual psychotherapy, Telemedicine/telehealth therapy.
How do I start treatment at Chestnut Health Systems?
Call the facility directly at 618-235-0330 for an intake assessment. Our free 24/7 helpline (+1 (205) 973-2878) can also help you compare programs, verify insurance, and navigate options. No physician referral is required.
Is treatment confidential?
Yes. Federal law (42 CFR Part 2) provides strict confidentiality protections for substance use treatment records — stricter than HIPAA. Records cannot be disclosed without written consent, even to family, employers, or law enforcement.
What happens when you call? (general intake process)

Most treatment centers follow a 4-step intake: (1) confidential assessment — substance history, mental health, insurance, preferences (protected by 42 CFR Part 2); (2) insurance verification — facility contacts your plan to confirm coverage and out-of-pocket costs; (3) level-of-care recommendation — clinical staff match you to detox, residential, PHP, IOP, or outpatient based on severity; (4) admission typically within 24–48 hours. Timing varies by facility and bed availability.

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Sources & References

  • SAMHSA — Behavioral Health Treatment Services Locator. Source of facility programs, services, and accepted payments.
  • SAMHSA — NSDUH, 2023.
  • CMS — Mental Health Parity and Addiction Equity Act (MHPAEA).
  • 42 CFR Part 2 — Confidentiality of SUD Patient Records.

Facility data last synced: April 2026. Editorial policy.

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