Call 888-810-5995 to speak with a Methadone counselor. Who Answers? Methadone Doctors in Illinois Alton Arlington Heights Aurora Barrington Belleville Belvidere Benton Berwyn Bloomingdale Blue Island Brookfield Buffalo Grove Calumet City Carbondale Carlinville Caseyville Centreville Champaign Chicago Chicago Heights Clinton Crestwood Crystal Lake Darien Decatur Deerfield DeKalb Des Plaines Downers Grove Earlville East Saint Louis Eldorado Elgin Elizabethtown Elmwood Park Fairview Heights