Find Treatment Centers in Illinois
708 SAMHSA-verified facilities. 3,175 annual opioid deaths. Help is available — and it works.
Quick answer: Illinois has 708 verified treatment centers. Medicaid is expanded — many programs are free or low-cost for eligible residents. The overdose rate is 29.8/100k (#30 nationally, below the national average of 33.1). Top cities: Chicago, Palatine, Joliet. Need help? Call (833) 546-3513.
Treatment Centers in Illinois
707 facilities found
Care Addiction Center
Geneva, IL
Integrative outpatient care with focus on mental health and substance use disorder treatment, offering various therapy modalities and support.
Carrier Mills Community Health Center Christopher Rural Health
Carrier Mills, IL
Non-profit outpatient center providing integrated mental health and substance use treatment, medication management, and counseling services for all ages.
Center for Alc and Drug Services Rock Island Adult Outpatient
Rock Island, IL
The Center for Alcohol and Drug Services Rock Island Adult Outpatient in Illinois offers a robust outpatient program designed for adults seeking recovery from s...
Centerstone of Illinois Carterville
Carterville, IL
Integrative outpatient center with comprehensive mental health and substance use treatment, individual counseling, group therapy, and trauma-informed care.
Centerstone of Illinois West Frankfort
West Frankfort, IL
A comprehensive outpatient center providing integrated treatment for co-occurring substance use and mental health disorders with personalized care plans.
Chaddock Attachment and Trauma Servs Quincy
Quincy, IL
Chaddock Attachment and Trauma Services in Quincy, IL, specializes in addressing the complex needs of individuals facing serious emotional disturbances and co-o...
Changes Place
Loves Park, IL
Integrative outpatient center for young adults and adults offering individual and group counseling, trauma-related care, and substance use treatment.
Changes Place
Loves Park, IL
An outpatient center offering comprehensive care for adults with addiction, mental health disorders, trauma, and co-occurring conditions.
Chestnut Health Systems
Granite City, IL
Private non-profit providing residential treatment for adults with co-occurring mental health and substance use disorders, individual therapy, and crisis interv...
Chicago Department of Public Health Englewood Mental Health Center
Chicago, IL
Located in Chicago’s Englewood neighborhood, the Chicago Department of Public Health Englewood Mental Health Center serves as a beacon of hope for individuals g...
Chicago Department of Public Health Greater Grand Mid South MH Center
Chicago, IL
Located in Chicago, Illinois, the Greater Grand Mid South Mental Health Center offers a welcoming and professional outpatient environment focused on mental heal...
Chicago Department of Public Health Greater Lawn Mental Health Center
Chicago, IL
The Chicago Department of Public Health's Greater Lawn Mental Health Center is a vital resource in Chicago, IL, addressing psychological and substance use issue...
Addiction Treatment in Illinois: What You Need to Know
Illinois has 708 SAMHSA-verified treatment facilities serving a population of 12,550,000. That's approximately 5.6 facilities per 100,000 residents. The state's drug overdose death rate of 29.8 per 100,000 is below the national average of 33.1 — ranking #30 nationally. With 3,175 opioid-related deaths reported annually, access to evidence-based treatment programs remains critical.
Insurance & Medicaid Coverage in Illinois
Illinois has expanded Medicaid under the ACA, significantly broadening access to addiction treatment for low-income adults earning up to 138% of the federal poverty level (~$20,783/year for an individual). Covered services typically include medical detox, inpatient/residential rehab, outpatient counseling, and medication-assisted treatment (MAT). In addition to Medicaid, most private insurance plans — including Blue Cross Blue Shield, Aetna, Cigna, UnitedHealthcare, and Humana — are required by the Mental Health Parity Act to cover substance use disorder treatment at parity with medical care.
The Overdose Crisis in Illinois
Illinois reports 3,175 opioid-related deaths annually with an overdose rate of 29.8/100k (below the 33.1 national average by 10%). Substance use disorder affects approximately 7.2% of adults in the state (national average: 7.2%). Illinois has enacted a Good Samaritan law that protects individuals who call 911 during an overdose emergency from certain criminal charges — encouraging bystanders to seek help. Naloxone (Narcan), the opioid overdose reversal medication, is available via standing order in Illinois, making it accessible without an individual prescription.
Types of Treatment Available
| Program | Duration | Cost Range | Best For |
|---|---|---|---|
| Medical Detox | 5–10 days | $1,000–$5,000 | Alcohol, opioid, benzo withdrawal |
| Inpatient Rehab | 28–90 days | $6,000–$30,000 | Severe addiction, co-occurring disorders |
| PHP (Partial Hospitalization) | 2–4 weeks | $3,000–$10,000 | Step-down from inpatient, intensive support |
| IOP (Intensive Outpatient) | 2–4 months | $3,000–$10,000 | Work/school compatibility, 9-20 hrs/week |
| Outpatient | 3–12 months | $1,400–$10,000 | Mild-moderate, stable housing |
| MAT | 6–24+ months | $5,000–$15,000/yr | Opioid use disorder, relapse prevention |
Medicaid covers most programs for eligible residents. Call (833) 546-3513 for free insurance verification.
Where to Find Help in Illinois
Treatment facilities in Illinois are concentrated in urban areas, with Chicago leading with 166 centers, followed by Palatine (38) and Joliet (24). For residents in rural areas, telehealth addiction counseling and out-of-area programs provide alternatives. Browse our full Illinois directory to filter by city, treatment type, and insurance accepted.
Last updated: March 2026 · Written by the RehabHive Editorial Team · Sources: SAMHSA, CDC WONDER, KFF
Check Your Insurance Coverage in Illinois
Medicaid expanded — most plans cover treatment. Verify your benefits — free and confidential.
Treatment FAQ — Illinois
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Looking in Nearby States?
Explore treatment options in states neighboring Illinois.
