| UNION FUNERAL SERVICE LTD | Business | 060001137 | WEST FRANKFORT | NOT RENEWED | Verify |
| UNITED DENTAL SURGERY, PC | Business | 060013265 | CHICAGO | ACTIVE | Verify |
| UNITED FOOT AND ANKLE SURGEONS PC | Business | 060009578 | CHICAGO | NOT RENEWED | Verify |
| UNITED REHAB PROVIDERS PC | Business | 060007942 | OAK LAWN | ACTIVE | Verify |
| UNITED REHABILITATION SERVICES INC | Business | 060004550 | OAK PARK | NOT RENEWED | Verify |
| UNITED SKIN SPECIALISTS ILLINOIS LTD, P.C. | Business | 060011902 | MOUNT VERNON | ACTIVE | Verify |
| UNITED THERAPY CONSULTANTS PC | Business | 060005856 | ROLLING MEADOWS | NOT RENEWED | Verify |
| UNIVERSAL CHIROPRACTIC LTD | Business | 060005827 | CHICAGO | NOT RENEWED | Verify |
| UNIVERSAL HEALTH CARE PC | Business | 060007869 | CHICAGO | NOT RENEWED | Verify |
| UNIVERSITY ASSOCIATES IN DENTISTRY LTD | Business | 060008361 | CHICAGO | NOT RENEWED | Verify |
| UNIVERSITY ASSOCIATES IN DENTISTRY LTD | Business | 060008270 | CHICAGO | ACTIVE | Verify |
| UNIVERSITY ASSOCIATES IN NEUROLOGY | Business | 060000607 | CHICAGO | INOPERATIVE | Verify |
| UNIVERSITY DENTAL CENTER PC | Business | 060008333 | PALOS HEIGHTS | ACTIVE | Verify |
| UNIVERSITY DENTAL PROFESSIONAL CORP | Business | 060009232 | CHICAGO | NOT RENEWED | Verify |
| UNIVERSITY ENDODONTICS LTD | Business | 060007320 | GLEN CARBON | NOT RENEWED | Verify |
| UNIVERSITY FOOT AND ANKLE SPECIALISTS LTD | Business | 060006385 | DOWNERS GROVE | NOT RENEWED | Verify |
| UNIVERSITY FOOT SPECIALISTS LTD | Business | 060010037 | NAPERVILLE | NOT RENEWED | Verify |
| UNIVERSITY NUCLEAR MEDICINE LTD | Business | 060001372 | LOMBARD | NOT RENEWED | Verify |
| UNIVERSITY PARK PATHOLOGY ASSOCS PC | Business | 060000117 | URBANA | NOT RENEWED | Verify |
| UNIVERSITY PATHOLOGISTS PC | Business | 060005883 | CHICAGO | NOT RENEWED | Verify |
| UNIVERSITY PLASTIC SURGERY 4 PC | Business | 060011248 | MORTON GROVE | NOT RENEWED | Verify |
| UNIVERSITY RETINA & MACULA ASSOCIATES PC | Business | 060008998 | OAK FOREST | NOT RENEWED | Verify |
| UPCHURCH BUXTON & ASSOCIATES | Business | 060000157 | MATTOON | NOT RENEWED | Verify |
| UPLAND DESIGN LTD | Business | 060007797 | PLAINFIELD | ACTIVE | Verify |
| UPSIDE COUNSELING P.C. | Business | 060012560 | CHICAGO | ACTIVE | Verify |
| UPTOWN ANIMAL PC | Business | 060012865 | CHICAGO | NOT RENEWED | Verify |
| URBAN DESIGN ASSOCIATES LTD | Business | 060005655 | CHICAGO | CANCELLED | Verify |
| URGENT CARE CENTER LTD | Business | 060008033 | CHICAGO | NOT RENEWED | Verify |
| URSINY & ASSOCIATES PC | Business | 060005964 | WHEATON | NOT RENEWED | Verify |
| US HEALTHWORKS MEDICAL GROUP OF ILLINOIS PC | Business | 060010949 | SCHILLER PARK | NOT RENEWED | Verify |
| US HEALTHWORKS MEDICAL GROUP OF ILLINOIS PC | Business | 060010947 | BELLWOOD | NOT RENEWED | Verify |
| US HEALTHWORKS MEDICAL GROUP OF ILLINOIS PC | Business | 060010948 | CHICAGO | NOT RENEWED | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011111 | AURORA | NOT RENEWED | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011113 | BRIDGEVIEW | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011117 | FRANKLIN PARK | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011124 | WHEELING | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011110 | BEDFORD PARK | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011125 | SCHAUMBURG | CLOSED | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011126 | ELK GROVE VILLAGE | CLOSED | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011116 | ELK GROVE VILLAGE | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011118 | LINCOLNWOOD | NOT RENEWED | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011122 | CHICAGO | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060012331 | SCHILLER PARK | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060012423 | BEDFORD PARK | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011120 | CHICAGO | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060011123 | CHICAGO | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060012095 | CHICAGO | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060012999 | BELLWOOD | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060012333 | BELLWOOD | ACTIVE | Verify |
| US MEDGROUP OF ILLINOIS PC | Business | 060012332 | CHICAGO | ACTIVE | Verify |