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
Deerfield Behavioral Health Behavioral Health
Deerfield, IL
Deerfield Behavioral Health in Deerfield, IL, offers a nurturing environment for mental health treatment, focusing on both outpatient and day treatment options....
Delta Counseling Associates Crossett Service Center
Joliet, IL
Residential and outpatient care for adults with serious mental illness and substance use disorders, including therapy and personalized treatment plans.
Delta Counseling Associates Dumas Service Center
Joliet, IL
A counseling center offering integrated mental and substance use disorder treatment for adults, young adults, and adolescents.
Delta Counseling Associates Lake Village Service Center
Joliet, IL
An integrative outpatient center offering mental health and substance use disorder treatment with trauma-informed care and personalized therapy plans.
Delta Counseling Associates Monticello Service Center
Joliet, IL
A private nonprofit organization offering outpatient mental health services for adults and children with various funding options available.
Delta Counseling Associates- Warren
Joliet, IL
Outpatient center for adults and adolescents offering comprehensive mental health services, substance use treatment, and specialized care for trauma survivors.
Duane Dean Behavioral Health Center
Kankakee, IL
Duane Dean Behavioral Health Center, situated in Kankakee, IL, provides specialized outpatient treatment for substance use disorders while also addressing co-oc...
Eaglin and Associates Park Ridge
Park Ridge, IL
Eaglin and Associates Park Ridge in Illinois specializes in substance use treatment, providing a range of outpatient services tailored for diverse age groups, i...
Egyptian Public and Mental Health Dept
Harrisburg, IL
The Egyptian Public and Mental Health Department in Harrisburg, IL, provides vital outpatient services focused on treating substance use issues and co-occurring...
Elements at Crossing Healthcare
Decatur, IL
Elements at Crossing Healthcare in Decatur, Illinois, aspires to be a cornerstone for individuals seeking mental health and substance use support. While explici...
Ellie Mental Health Clinton Township
Palatine, IL
Integrative outpatient mental health facility offering therapy for all ages, trauma-informed care, LGBTQ support, and co-occurring conditions treatment.
Ellie Mental Health Jacksonville
Palatine, IL
A non-profit mental health center offering integrated care for children, adolescents, adults, seniors, LGBTQ+, veterans, and trauma survivors.
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.
