Illinois · Listings Checked October 2026

Methadone Clinics in Illinois

Where Can You Find Methadone Clinics in Illinois?

SAMHSA's FindTreatment.gov lists 77 federally certified methadone clinics (opioid treatment programs) in Illinois (checked October 2026). The most are in Chicago (27), Chicago Heights (2) and Cicero (2). 69 of them accept Medicaid.

Methadone Clinics in Illinois by City

From SAMHSA's FindTreatment.gov listings, checked October 2026. Cities with enough listings link to their own page; others link to the city's full treatment page.

More About Methadone Clinics

Read how methadone clinics work. For the state's treatment agency, licensing and laws, see addiction treatment in Illinois.

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

Other services in Illinois: rehab that takes medicaid in Illinois, suboxone (buprenorphine) treatment in Illinois, detox centers in Illinois.

Frequently Asked Questions

How Many Methadone Clinics Are in Illinois?

SAMHSA's FindTreatment.gov lists 77 federally certified methadone clinics (opioid treatment programs) in Illinois, checked October 2026. The most are in Chicago (27), Chicago Heights (2) and Cicero (2).

Do Methadone Clinics in Illinois Accept Medicaid?

69 of the 77 listed accept Medicaid. Confirm your plan with the facility before you start.

Is There a Illinois Treatment Helpline?

Illinois Helpline for Opioids and Other Substances: 833-657-7147 (or text HELP to 833234), 24/7, 365 days a year. SAMHSA's National Helpline, 1-800-662-4357, is free, confidential and open 24/7.

Sources

  1. SAMHSA FindTreatment.gov listing data, checked October 2026
  2. Illinois Helpline for Opioids and Other Substances

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.