| CHICAGO HEALTH SERVICES LTD | Business | 060003421 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO HEIGHTS PAIN CENTER PC | Business | 060008781 | CHICAGO HEIGHTS | NOT RENEWED | Verify |
| CHICAGO HUMAN POTENTIAL PC | Business | 060011348 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO IN HOME VETERINARY CARE PC | Business | 060010944 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO INHEALTH CENTER PC | Business | 060010762 | CHICAGO | ACTIVE | Verify |
| CHICAGO JEWISH FUNERALS LTD | Business | 060006950 | NORTHBROOK | NOT RENEWED | Verify |
| CHICAGO JYNT CHIROPRACTIC P.C. | Business | 060013186 | LOCKPORT | ACTIVE | Verify |
| CHICAGO OBESITY RESEARCH CENTER PC | Business | 060004085 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO ORAL & MAXILLOFACIAL SURGERY LTD | Business | 060005569 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO OSTEOPATHIC HOSPITAL DENTAL CLINIC PC | Business | 060006155 | CHICAGO | ACTIVE | Verify |
| CHICAGO OTOLARYNGOLOGY GROUP LTD | Business | 060006331 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PAIN AND ORTHOPEDIC INSTITUTE I PC | Business | 060011291 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PAIN RELIEF, PC | Business | 060012158 | WILLOWBROOK | NOT RENEWED | Verify |
| CHICAGO PEDIATRIC CARDIOLOGY CONSULTANTS LTD | Business | 060008725 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PET CLINIC LTD | Business | 060005494 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PHYSICIANS I | Business | 060006824 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PHYSICIANS III PC | Business | 060006936 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PODIATRY ASSOCIATES PC | Business | 060008290 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PODIATRY SERVICES PC | Business | 060008608 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PRIMARY CARE | Business | 060006003 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PSYCHIATRY LTD | Business | 060001558 | CHICAGO | CANCELLED | Verify |
| CHICAGO PSYCHOLOGICAL AFFILIATES PC | Business | 060006092 | CHICAGO | CANCELLED | Verify |
| CHICAGO PSYCHOLOGICAL SERVICES PC | Business | 060007281 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PSYCHOTHERAPY EDUCATION | Business | 060006120 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO SPEECH AND LANGUAGE SERVICES PC | Business | 060008895 | CHICAGO | ACTIVE | Verify |
| CHICAGO SPINE INSTITUTE PC | Business | 060010160 | LOCKPORT | NOT RENEWED | Verify |
| CHICAGO STRESS CENTER LTD | Business | 060004081 | SKOKIE | NOT RENEWED | Verify |
| CHICAGO SURGICAL PODIATRISTS LTD | Business | 060001085 | NORTHBROOK | NOT RENEWED | Verify |
| CHICAGO SURGICARE PC | Business | 060008721 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO TRIAL REPORTERS LTD | Business | 060006053 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO VETERINARY CARE PC | Business | 060009374 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO VETERINARY EMERGENCY | Business | 060005169 | CHICAGO | INOPERATIVE | Verify |
| CHICAGO VISION CENTER PC | Business | 060008336 | ROSELLE | NOT RENEWED | Verify |
| CHICAGO'S HIGH ACHIEVERS PC | Business | 060009907 | CHICAGO | ACTIVE | Verify |
| CHICAGOLAND DENTAL ASSOCIATES PC | Business | 060009974 | CHICAGO | NOT RENEWED | Verify |
| CHICAGOLAND EARLY INTERVENTION LTD | Business | 060008851 | OAK FOREST | NOT RENEWED | Verify |
| CHICAGOLAND EARLY INTERVENTION LTD | Business | 060007804 | LEMONT | NOT RENEWED | Verify |
| CHICAGOLAND EARLY INTERVENTION LTD | Business | 060008947 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| CHICAGOLAND EARLY INTERVENTION LTD | Business | 060008986 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| CHICAGOLAND HOME PHYSICIANS PC | Business | 060008804 | CHICAGO | NOT RENEWED | Verify |
| CHICAGOLAND INFECTIOUS DISEASE PC | Business | 060011300 | HOMEWOOD | ACTIVE | Verify |
| CHICAGOLAND MEDICAL AND REHABILITATION CENTER PC | Business | 060009726 | CHICAGO | NOT RENEWED | Verify |
| CHICAGOLAND MEDICAL ASSOCIATES PC | Business | 060007694 | CHICAGO | NOT RENEWED | Verify |
| CHICAGOLAND MEDICAL PC | Business | 060010932 | CHICAGO | NOT RENEWED | Verify |
| CHICAGOLAND MEDICAL PC | Business | 060011275 | CHICAGO | NOT RENEWED | Verify |
| CHICAGOLAND MENS HEALTH GROUP, P.C. | Business | 060012162 | CHICAGO | ACTIVE | Verify |
| CHICAGOLAND RETINAL CONSULTANTS LLC | Business | 060011808 | BERWYN | CLOSED | Verify |
| CHICAGOLAND RETINAL CONSULTANTS LLC | Business | 060011807 | CHICAGO | CLOSED | Verify |
| CHICAGOLAND RETINAL CONSULTANTS LLC | Business | 060011806 | CHICAGO | CLOSED | Verify |
| CHICAGOLAND RETINAL CONSULTANTS LLC | Business | 060011809 | CHICAGO | CLOSED | Verify |