By State · SAMHSA-verified directory
Addiction treatment in Illinois
791 verified treatment centers across Illinois. Overdose rate 31.3 per 100,000 (CDC 2023) · Medicaid expanded.
791
Centers
200
Cities
Expanded
Medicaid
24/7
Helpline
Map of treatment centers in Illinois
400 locations with a mapped address. Select a marker to open its page.
Treatment centers in Illinois
Every listing sourced from SAMHSA Treatment Services Locator.
Rosecrance Marlowe House
Rockford, IL
Great Heights OTP Calumet City
Calumet City, IL
Near North Health Serviceoration Komed Holman Health Center
Chicago, IL
Hanul Family Alliance AKA Korean American Senior
Mount Prospect, IL
Sinnissippi Centers
Rochelle, IL
Pathlight Mood & Anxiety Center Northbrook
Northbrook, IL
Ascension Behavioral Health Unit
Kankakee, IL
Ascension Illinois/ProCare Centers
Melrose Park, IL
Nuway Community Services
Chicago, IL
Thresholds Dincin Center
Chicago, IL
Family Guidance Centers
Springfield, IL
Comprehensive Behavior Health Center Saint Clair County/Center for ARTS
East Saint Louis, IL
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Cities in Illinois with verified facilities
200 cities. Click through for city-specific listings.
Chicago
200 centers
Peoria
16 centers
Springfield
15 centers
Joliet
15 centers
Waukegan
13 centers
Rockford
12 centers
Northbrook
12 centers
Elgin
10 centers
Aurora
9 centers
Evanston
8 centers
Wheaton
7 centers
Quincy
7 centers
Decatur
7 centers
Crystal Lake
7 centers
Arlington Heights
7 centers
Westmont
6 centers
Rock Island
6 centers
Hinsdale
6 centers
Geneva
6 centers
Freeport
6 centers
Downers Grove
6 centers
Des Plaines
6 centers
Woodstock
5 centers
Palatine
5 centers
Oak Brook
5 centers
Naperville
5 centers
Kankakee
5 centers
Gurnee
5 centers
Elmhurst
5 centers
Champaign
5 centers
Vernon Hills
4 centers
Urbana
4 centers
South Holland
4 centers
Skokie
4 centers
Schaumburg
4 centers
Saint Charles
4 centers
Park Ridge
4 centers
Palos Heights
4 centers
Normal
4 centers
Mount Vernon
4 centers
Moline
4 centers
Melrose Park
4 centers
McHenry
4 centers
Dixon
4 centers
Danville
4 centers
Chicago Heights
4 centers
Carterville
4 centers
Carbondale
4 centers
Buffalo Grove
4 centers
Blue Island
4 centers
Bloomington
4 centers
West Chicago
3 centers
Tinley Park
3 centers
Sycamore
3 centers
Streamwood
3 centers
Pittsfield
3 centers
Ottawa
3 centers
Oak Park
3 centers
Oak Lawn
3 centers
Mokena
3 centers
Maywood
3 centers
Mattoon
3 centers
Marion
3 centers
Manteno
3 centers
Macomb
3 centers
Lombard
3 centers
Hazel Crest
3 centers
Granite City
3 centers
Frankfort
3 centers
Fairview Heights
3 centers
Cicero
3 centers
Carthage
3 centers
Carlinville
3 centers
Canton
3 centers
Bolingbrook
3 centers
Berwyn
3 centers
Belvidere
3 centers
Beardstown
3 centers
Anna
3 centers
Addison
3 centers
Yorkville
2 centers
Winfield
2 centers
Wheeling
2 centers
West Frankfort
2 centers
Warrenville
2 centers
Vandalia
2 centers
Swansea
2 centers
Sterling
2 centers
Shelbyville
2 centers
Rolling Meadows
2 centers
Rochelle
2 centers
Raymond
2 centers
Plainfield
2 centers
Pekin
2 centers
Orland Park
2 centers
North Aurora
2 centers
New Lenox
2 centers
Monmouth
2 centers
Matteson
2 centers
Loves Park
2 centers
Lisle
2 centers
Libertyville
2 centers
Lawrenceville
2 centers
La Grange
2 centers
Hoffman Estates
2 centers
Hines
2 centers
Harvey
2 centers
Hanover Park
2 centers
Glenview
2 centers
Gibson City
2 centers
Forest Park
2 centers
Flossmoor
2 centers
Elk Grove Village
2 centers
Edwardsville
2 centers
East Saint Louis
2 centers
East Peoria
2 centers
Du Quoin
2 centers
Deerfield
2 centers
DeKalb
2 centers
Darien
2 centers
Charleston
2 centers
Calumet City
2 centers
Bourbonnais
2 centers
Belleville
2 centers
Bannockburn
2 centers
Alton
2 centers
Woodridge
1 centers
Wood River
1 centers
Winnetka
1 centers
Western Springs
1 centers
Westchester
1 centers
West Peoria
1 centers
Watseka
1 centers
Waterloo
1 centers
Washington
1 centers
Villa Park
1 centers
Vienna
1 centers
Tuscola
1 centers
Toledo
1 centers
Taylorville
1 centers
Stronghurst
1 centers
Stone Park
1 centers
Steger
1 centers
St. Charles
1 centers
Sparta
1 centers
Shawneetown
1 centers
Sesser
1 centers
Sandwich
1 centers
Salem
1 centers
Rushville
1 centers
Round Lake
1 centers
Roselle
1 centers
Red Bud
1 centers
Princeton
1 centers
Pontiac
1 centers
Plano
1 centers
Paxton
1 centers
Paris
1 centers
Palos Hills
1 centers
Oswego
1 centers
Oregon
1 centers
Olympia Fields
1 centers
Olney
1 centers
Okawville
1 centers
O Fallon
1 centers
North Chicago
1 centers
Niles
1 centers
Newton
1 centers
Murphysboro
1 centers
Mundelein
1 centers
Mt. Vernon
1 centers
Mount Sterling
1 centers
Mount Prospect
1 centers
Mount Carroll
1 centers
Morris
1 centers
Monticello
1 centers
Milan
1 centers
Metropolis
1 centers
Marshall
1 centers
Litchfield
1 centers
Lincolnwood
1 centers
Lincoln
1 centers
Lansing
1 centers
Lake Villa
1 centers
La Salle
1 centers
Kewanee
1 centers
Justice
1 centers
Jacksonville
1 centers
Highland Park
1 centers
Hickory Hills
1 centers
Harwood Heights
1 centers
Harrisburg
1 centers
Hamilton
1 centers
Greenville
1 centers
Goreville
1 centers
Glendale Heights
1 centers
Gillespie
1 centers
Geneseo
1 centers
Galesburg
1 centers
Franklin Park
1 centers
Understanding treatment in Illinois
Three things shape whether a person in Illinois can access treatment: where they live in the state, what insurance they carry, and which clinician answers the first call. The 791 licensed facilities do not change that calculus; they constrain the choices within it.
The Medicaid question
Illinois expanded Medicaid in 2014 under the Affordable Care Act. Practically: has realistic access to Medicaid coverage for addiction treatment once enrolled. Reporting on treatment access that ignores the Medicaid question tends to produce misleading conclusions about which states are doing well; the question determines the denominator.
The overdose-mortality context
31.3 overdose deaths per 100,000 residents in Illinois (CDC 2023). The number is both larger and smaller than it feels — larger in the neighborhoods where fentanyl-contaminated fentanyl drives the mortality, smaller in the suburbs where it remains a statistic. The specific context: Cook County fentanyl-related mortality versus downstate MAT access gap.
How access actually works in Illinois
Inside the 791 licensed facilities in Illinois, the clinical quality variation is substantial. The practical context here is that Cook County fentanyl-related mortality versus downstate MAT access gap — which is why the difference between a well-run IOP and a fee-for-service residential chain that churns patients through 30-day cycles is not visible from the outside. It becomes visible when you ask the specific question: "Does this program offer buprenorphine for opioid use disorder?"
What to do next
If this is week one of considering treatment in Illinois, do three things this week: take the self-assessment on this site (2 minutes, stays in your browser), call the SAMHSA helpline (1-800-662-HELP, free, 24/7, federal, no sales incentive), and schedule a PCP appointment specifically to discuss substance use. The facility search can wait until those three are done.
Last updated September 2026. Sources: SAMHSA Treatment Locator, CDC WONDER (overdose mortality 2023), KFF Medicaid Tracker, ASAM Criteria 4e. See our editorial policy.