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| WEST SUBURBAN DERMATOLOGY AND COSMETIC SURGERY SC | Business | 042619119 | CAROL STREAM | NOT RENEWED | Verify |
| WEST SUBURBAN DERMATOLOGY AND COSMETIC SURGERY SC | Business | 042620615 | OAK PARK | ACTIVE | Verify |
| WEST SUBURBAN DERMATOLOGY AND COSMETIC SURGERY SC | Business | 042619456 | SYCAMORE | ACTIVE | Verify |
| WEST SUBURBAN DERMATOLOGY AND COSMETIC SURGERY SC | Business | 042618256 | ST CHARLES | ACTIVE | Verify |
| WEST SUBURBAN FAMILY PRACTICE ASSOCS LTD | Business | 042003036 | ELMWOOD PARK | NOT RENEWED | Verify |
| WEST SUBURBAN GASTROENTEROLOGY SC | Business | 042003898 | OAK PARK | NOT RENEWED | Verify |
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| WEST SUBURBAN IMAGING ASSOCIATES, S.C. | Business | 042621230 | DOWNERS GROVE | NOT RENEWED | Verify |
| WEST SUBURBAN INFECTIOUS DISEASE | Business | 042617977 | MELROSE PARK | ACTIVE | Verify |
| WEST SUBURBAN INTERNISTS LTD | Business | 042002818 | LOMBARD | CANCELLED | Verify |
| WEST SUBURBAN KIDNEY | Business | 042000427 | OAK PARK | NOT RENEWED | Verify |
| WEST SUBURBAN MEDICAL & SURGICAL ASSOCS SC | Business | 042618478 | AURORA | NOT RENEWED | Verify |
| WEST SUBURBAN MULTI-SPECIALTY | Business | 042005915 | ELMHURST | NOT RENEWED | Verify |
| WEST SUBURBAN NEUROSURGICAL ASSOCS SC | Business | 042000193 | WESTMONT | NOT RENEWED | Verify |
| WEST SUBURBAN OBSTETRICS & | Business | 042002970 | LOMBARD | NOT RENEWED | Verify |
| WEST SUBURBAN ORTHOPAEDICS SC | Business | 042007217 | ELMHURST | NOT RENEWED | Verify |
| WEST SUBURBAN PEDIATRIC OPHTHALMOLOGY SC | Business | 042616803 | LISLE | NOT RENEWED | Verify |
| WEST SUBURBAN PEDIATRICS LTD | Business | 042000531 | LOMBARD | NOT RENEWED | Verify |
| WEST SUBURBAN PEDIATRICS SC | Business | 042007841 | OAK BROOK TERRACE | NOT RENEWED | Verify |
| WEST SUBURBAN SURGICAL ASSOCIATES LTD | Business | 042006431 | BLOOMINGDALE | NOT RENEWED | Verify |
| WEST SUBURBAN SURGICAL SC | Business | 042619720 | AURORA | NOT RENEWED | Verify |
| WEST SUBURBAN UROLOGY SC | Business | 042003559 | DOWNERS GROVE | NOT RENEWED | Verify |
| WEST SUBURBAN WOMEN'S HEALTH LTD | Business | 042617231 | BURR RIDGE | NOT RENEWED | Verify |
| WEST TOWN MEDICAL ASSOCS SC | Business | 042002574 | CHICAGO | NOT RENEWED | Verify |
| WESTBROOK INTERNAL MEDICINE SC | Business | 042006531 | HOFFMAN ESTATES | NOT RENEWED | Verify |
| WESTCHESTER EYE SURGEONS SC | Business | 042007560 | WESTCHESTER | ACTIVE | Verify |
| WESTCHESTER INTEGRATED HEALTH CARE SC | Business | 042617701 | WESTCHESTER | NOT RENEWED | Verify |
| WESTCHESTER OLYMPIC SERVICE CORPORATION | Business | 042618352 | WESTCHESTER | NOT RENEWED | Verify |
| WESTERN CALIFORNIA MEDICAL CENTER LTD | Business | 042007264 | CHICAGO | NOT RENEWED | Verify |
| WESTERN CARDIOLOGY ASSOCS SC | Business | 042005273 | RIVERSIDE | NOT RENEWED | Verify |
| WESTERN DUPAGE OBSTETRICS AND GYN SC | Business | 042006690 | DOWNERS GROVE | NOT RENEWED | Verify |
| WESTERN HILLS MEDICAL CENTER LTD | Business | 042000533 | OAK LAWN | NOT RENEWED | Verify |
| WESTERN MEDICAL ASSOC LTD | Business | 042002446 | CHICAGO | NOT RENEWED | Verify |
| WESTERN MEDICAL CLINIC LTD | Business | 042002235 | BERWYN | NOT RENEWED | Verify |
| WESTERN SPRINGS FAMILY PRACTICE CTR LTD | Business | 042005694 | WESTERN SPRINGS | NOT RENEWED | Verify |
| WESTEROS FAMILY PRACTICE LTD | Business | 042620587 | RIVERSIDE | NOT RENEWED | Verify |
| WESTLAKE EMERGENCY ROOM PROVIDERS SC | Business | 042620649 | OAK BROOK | NOT RENEWED | Verify |
| WESTLAKE MEDICAL ASSOCS LTD | Business | 042618566 | LINCOLNSHIRE | NOT RENEWED | Verify |
| WESTLAKE PATHOLOGISTS LTD | Business | 042001510 | MELROSE PARK | NOT RENEWED | Verify |
| WESTLAKE/MCHENRY CLINICAL CARE SC | Business | 042005800 | INGLESIDE | NOT RENEWED | Verify |
| WESTMONT FAMILY PRACTICE SC | Business | 042006122 | WESTMONT | NOT RENEWED | Verify |
| WESTMORELAND OBSTETRIC AND | Business | 042002789 | LAKE BLUFF | NOT RENEWED | Verify |
| WESTON NEUROLOGY ASSOCS LTD | Business | 042618477 | AURORA | NOT RENEWED | Verify |
| WESTOWN MEDICAL CENTER LTD | Business | 042000119 | CHICAGO | NOT RENEWED | Verify |
| WESTSIDE ANESTHESIA CONSULTANTS SC | Business | 042616725 | CHICAGO | CANCELLED | Verify |
| WESTSIDE MEDICAL ASSOCIATES LTD | Business | 042000980 | MELROSE PARK | NOT RENEWED | Verify |
| WESTWOOD OBSTETRICS & GYNECOLOGY LTD | Business | 042000579 | KANKAKEE | ACTIVE | Verify |
| WHEAT CAPITAL AG LTD | Business | 042000032 | WATSEKA | NOT RENEWED | Verify |
| WHEATON EYE CLINIC LTD | Business | 042620094 | HINSDALE | ACTIVE | Verify |