Illinois · Listings Checked October 2026

Drug and Alcohol Rehab in Illinois

Where Can You Get Addiction Treatment in Illinois?

SAMHSA's FindTreatment.gov lists 521 substance use treatment facilities in Illinois, in 189 cities. Of these, 384 accept Medicaid, 69 offer detox, 78 offer residential treatment, 77 are certified methadone clinics and 236 prescribe buprenorphine. The state agency for substance use treatment is the Division of Behavioral Health and Recovery (DBHR), Illinois Department of Human Services. Illinois Helpline for Opioids and Other Substances answers at 833-657-7147 (or text HELP to 833234) (24/7, 365 days a year).

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Treatment Facilities by City in Illinois

The Illinois cities with the most SAMHSA-listed substance use treatment facilities. All 189 cities are listed below the table. Each city page lists its facilities with services, payment and phone numbers.

Treatment facilities in Illinois by city
CityFacilitiesMedicaidDetoxResidentialMethadone
Rehab in Chicago127109142427
Rehab in Joliet167112
Rehab in Springfield97422
Rehab in Elgin87011
Rehab in Peoria87232
Rehab in Rockford84150
Rehab in Arlington Heights72000
Rehab in Wheaton76111
Rehab in Belleville63110
Rehab in Saint Charles62111
Rehab in Waukegan64222
Rehab in Aurora53011
Rehab in Decatur52011
Rehab in Naperville52300
Rehab in Palos Heights53202
Rehab in South Holland55001
Rehab in Berwyn43000
Rehab in Bloomington43010
Rehab in Carbondale44010
Rehab in Charleston44110
All 189 Cities in Illinois With Treatment Facilities

State Treatment Agency

Division of Behavioral Health and Recovery (DBHR), Illinois Department of Human Services oversees substance use treatment in Illinois.

Illinois Treatment Helpline

Illinois Helpline for Opioids and Other Substances: 833-657-7147 (or text HELP to 833234), 24/7, 365 days a year.

Call 833-657-7147

Treatment if You Don't Have Insurance

IDHS funds substance use prevention, intervention, treatment and recovery services through a combination of state and federal funds, delivered by DBHR-licensed organizations. To get services, call or text the Illinois Helpline.

Medicaid Coverage for Addiction Treatment in Illinois

Illinois's Medicaid program is Illinois Medicaid (HealthChoice Illinois). Illinois has expanded Medicaid, so adults with low incomes can qualify based on income alone. Its Section 1115 waiver (Illinois Behavioral Health Transformation) expands substance use treatment coverage.

Sober Living Homes in Illinois

Illinois's recovery residence program: IDHS/DBHR Recovery Residence Registry (DBHR-licensed Recovery Homes are marked with the IDHS logo) (certification is voluntary). The state's NARR affiliate is Illinois Association of Extended Care.

Naloxone (Narcan)

Under Illinois's statewide naloxone standing order, naloxone is available at pharmacies and Drug Overdose Prevention Programs, and organizations can order free naloxone through the state's Access Naloxone program. Naloxone nasal spray is also sold over the counter nationwide.

Good Samaritan Overdose Law

A person who in good faith seeks emergency help for someone overdosing, and the person overdosing, can't be arrested, charged or prosecuted for possessing small amounts of drugs or paraphernalia found because help was called, and those violations can't be the sole basis for revoking parole or probation. (720 ILCS 570/414)

Guides for Your Next Step

Learn what detox, inpatient rehab and outpatient rehab involve, how medication for opioid use disorder works, and how to find rehab that takes Medicaid or free and low-cost rehab. Before you commit, read how to choose a rehab you can trust.

Frequently Asked Questions

How Many Rehab Centers Are in Illinois?

SAMHSA's FindTreatment.gov lists 521 substance use treatment facilities in Illinois (checked October 2026), the most in Chicago (127).

How Many Rehabs in Illinois Accept Medicaid?

384 of the 521 listed facilities accept Medicaid. Confirm your specific plan when you call.

Where Are Methadone Clinics in Illinois?

77 federally certified opioid treatment programs (methadone clinics) are listed in Illinois. Use the methadone filter on any city page to find them.

Can You Get Free Rehab in Illinois?

IDHS funds substance use prevention, intervention, treatment and recovery services through a combination of state and federal funds, delivered by DBHR-licensed organizations. To get services, call or text the Illinois Helpline. 292 listed facilities offer a sliding fee scale, and 4 provide treatment at no charge.

Does Illinois Have a Good Samaritan Overdose Law?

A person who in good faith seeks emergency help for someone overdosing, and the person overdosing, can't be arrested, charged or prosecuted for possessing small amounts of drugs or paraphernalia found because help was called, and those violations can't be the sole basis for revoking parole or probation.

Sources

  1. SAMHSA FindTreatment.gov listing data, checked October 2026
  2. Division of Behavioral Health and Recovery , Illinois Department of Human Services website
  3. Get treatment help from the Illinois agency
  4. Illinois Medicaid (HealthChoice Illinois) substance use coverage
  5. Section 1115 waiver details (Medicaid.gov)
  6. Illinois Medicaid eligibility
  7. Illinois recovery residence program
  8. Illinois naloxone information
  9. Illinois Good Samaritan law

Rehab Help is an independent guide, not a treatment provider. Phone numbers on this site are the facilities' and helplines' own numbers, never tracking lines. If someone is in danger right now, call 911.