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Treatment centers that accept Medicare in Illinois

432 treatment centers. Facilities whose SAMHSA listing names Medicare among the payments they accept. Ask whether they take your Medicare plan.

City lists

All 432 in Illinois

Common questions

Treatment centers that accept Medicare in Illinois: how many are there?

SAMHSA’s FindTreatment.gov directory lists 432 treatment centers in Illinois that match (54% of the 802 listed in the state). Facilities whose SAMHSA listing names Medicare among the payments they accept. Ask whether they take your Medicare plan.

Which cities in Illinois have the most?

Chicago (100), Peoria (9), Elgin (8), Evanston (6) and Quincy (6).

All treatment centers in Illinois Drug and alcohol treatment (rehab)Mental health treatment centersDetox centersResidential and inpatient treatmentTreatment centers that accept MedicaidFree and low-cost treatmentTreatment centers with services in SpanishOpioid treatment programs (methadone clinics) Treatment centers that accept Medicare: all states Hospitals in Illinois Addiction and mental health treatment centers

Source: SAMHSA, FindTreatment.gov (National Directory of Mental Health and Substance Use Treatment Facilities), retrieved 2026-11-11. SAMHSA publishes no separate release date for this live directory. The directory has no quality ratings, and this list is not a ranking or a recommendation. Methodology