| 1800 MCDONOUGH ROAD SURGERY CENTER LLC | HOFFMAN ESTATES | 14C0001146 | 1053597161 |
| ADVANCED AMBULATORY SURGICAL CENTER INC | CHICAGO | 14C0001103 | 1548390081 |
| ADVOCATE CONDELL AMBULATORY SURGERY CENTER LLC | LIBERTYVILLE | 14C0001167 | 1992259337 |
| AGHAPY SURGICAL CENTER SC | BARRINGTON | 14C0001191 | 1295207579 |
| AIDEN CENTER FOR DAY SURGERY LLC | ADDISON | 14C0001090 | 1922248517 |
| ALGONQUIN ROAD SURGERY CENTER LLC | LAKE IN THE HILLS | 14C0001096 | 1558344846 |
| AMBULATORY SURGERY CENTER OF CENTRALIA LLC | CENTRALIA | 14C0001016 | 1811957251 |
| ANDERSON SURGERY CENTER LLC | EDWARDSVILLE | 14C0001186 | 1619519535 |
| ARLINGTON HEIGHTS SURGERY CENTER LLC | ARLINGTON HEIGHTS | 14C0001198 | 1013612423 |
| ASCENSION SAINT JOSEPH MSK JV LLC | CHICAGO | 14C0001194 | 1568158020 |
| ASSOCIATED SURGICAL CENTER LLC | ARLINGTON HEIGHTS | 14C0001169 | 1235683798 |
| BARRINGTON PAIN AND SPINE INSTITUTE LLC | BARRINGTON | 14C0001155 | 1619244175 |
| BEL CLAIR AMBULATORY SURGICAL TREATMENT CENTER LTD | BELLEVILLE | 14C0001065 | 1174601223 |
| BELMONT HARLEM SURGERY CENTER LLC | CHICAGO | 14C0001013 | 1629256961 |
| BLOOMINGTON EYE INSTITUTE LLC | BLOOMINGTON | 14C0001079 | 1346205481 |
| BLOOMINGTON NORMAL HEALTHCARE LLC | NORMAL | 14C0001091 | 1083613327 |
| CADENCE AMBULATORY SURGERY CENTER LLC | WARRENVILLE | 14C0001124 | 1295088292 |
| CARLE SURGICENTER | CHAMPAIGN | 14C0001076 | 1356400782 |
| CENTER FOR DIGESTIVE HEALTH | BOURBONNAIS | 14C0001109 | 1619920501 |
| CENTER FOR HEALTH AMBULATORY SURGERY CENTER LLC | PEORIA | 14C0001088 | 1821141284 |
| CENTER FOR MINIMALLY INVASIVE SURGERY | MOKENA | 14C0001094 | 1598700841 |
| CENTRAL ILLINOIS ENDOSCOPY CENTER LLC | PEORIA | 14C0001140 | 1790924306 |
| CHICAGO VASCULAR ASC LLC | WESTMONT | 14C0001176 | 1538692876 |
| DANVILLE POLYCLINIC LTD | DANVILLE | 14C0001087 | 1538101373 |
| DEERPATH AMBULATORY SURGICAL CENTER LLC | MORRIS | 14C0001106 | 1215040464 |
| DIGESTIVE DISEASE ENDOSCOPY CENTER | NORMAL | 14C0001111 | 1255332805 |
| DREYER MEDICAL AMBULATORY SURGERY CENTER | AURORA | 14C0001061 | 1396896684 |
| DUPAGE EYE SURGERY CENTER LLC | WHEATON | 14C0001133 | 1801811773 |
| DUPAGE MEDICAL GROUP SURGERY CENTER OF WESTMONT | WESTMONT | 14C0001126 | 1497706626 |
| EASTLAND MEDICAL PLAZA SURGICENTER LLC | BLOOMINGTON | 14C0001048 | 1699751289 |
| EDWARDSVILLE AMBULATORY SURGERY CENTER LLC | GLEN CARBON | 14C0001024 | 1952464844 |
| EFFINGHAM SURGICAL PARTNERS LLC | EFFINGHAM | 14C0001074 | 1831280536 |
| ELGIN GASTROENTEROLOGY ENDOSCOPY CENTER LLC | ELGIN | 14C0001121 | 1992875454 |
| ELMHURST OUTPATIENT SURGERY CENTER LLC | ELMHURST | 14C0001082 | 1720085384 |
| EYE SURGERY CENTER LLC | BELLEVILLE | 14C0001047 | 1902849227 |
| FOX VALLEY ORTHOPAEDIC ASSOCIATES SC | GENEVA | 14C0001081 | 1104897644 |
| FULLERTON KIMBALL MEDICAL SURGICAL CENTER | CHICAGO | 14C0001161 | 1205964103 |
| FULLERTON SURGERY CENTER | CHICAGO | 14C0001174 | 1285675678 |
| FULLERTON SURGERY CENTER INC | CHICAGO | 14C0001123 | 1285675678 |
| GAILEY EYE SURGERY DECATUR | DECATUR | 14C0001130 | 1023056090 |
| GASTROINTESTINAL INSTITUTE LLC | NORMAL | 14C0001122 | 1174670723 |
| GLEN ENDOSCOPY CENTER LLC | GLENVIEW | 14C0001112 | 1780658062 |
| GOLD COAST SURGICENTER | CHICAGO | 14C0001154 | 1578876124 |
| HAUSER ROSS AMBULATORY SURGICAL CENTER | SYCAMORE | 14C0001165 | 1144607862 |
| HAWTHORN SURGERY CENTER | VERNON HILLS | 14C0001002 | 1730151168 |
| HINSDALE SURGICAL CENTER | HINSDALE | 14C0001007 | 1841234150 |
| HOFFMAN ESTATES SURGERY CENTER LLC | HOFFMAN ESTATES | 14C0001129 | 1215960992 |
| HYDE PARK SURGICAL CENTER DBA HYDE PARK SAME DAY SURGICENTER | CHICAGO | 14C0001114 | 1205214103 |
| HYDE PARK SURGICAL CENTER LLC | CHICAGO | 14C0001116 | 1205214103 |
| ILLINOIS SPORTS MEDICINE AND ORTHOPEDIC SURGERY CENTER | MORTON GROVE | 14C0001131 | 1710037452 |
| INGALLS SAME DAY SURGERY CENTER LTD PTR | TINLEY PARK | 14C0001012 | 1851318521 |
| IRELAND GROVE CENTER FOR SURGERY LLC | BLOOMINGTON | 14C0001137 | 1750567442 |
| JOLIET SURGERY CENTER LIMITED PARTNERSHIP | JOLIET | 14C0001005 | 1255397808 |
| JUSTICE MED SURG CENTER LTD | JUSTICE | 14C0001107 | 1467429233 |
| KENDALL POINTE SURGERY CENTER LLC | OSWEGO | 14C0001089 | 1851317614 |
| LGH A GOLF ASTC LLC DBA GOLF SURGICAL CENTER | DES PLAINES | 14C0001039 | 1124029384 |
| LINDENHURST SURGERY CENTER LLC | LINDENHURST | 14C0001152 | 1528332186 |
| LOYOLA AMBULATORY SURGERY CENTER AT OAKBROOK LP | OAKBROOK TERRACE | 14C0001049 | 1407812498 |
| MARION EYE SURGERY CENTER LLC | MOUNT VERNON | 14C0001142 | 1346698602 |
| MARION HEALTHCARE LLC | MARION | 14C0001105 | 1821066515 |
| METROEAST ENDOSCOPIC SURGERY CENTER | FAIRVIEW HEIGHTS | 14C0001160 | 1063838357 |
| MIDLAND SURGICAL CENTER LLC | SYCAMORE | 14C0001118 | 1144265539 |
| MIDWEST CENTER FOR DAY SURGERY | GROVE | 14C0001018 | 1376605279 |
| MIDWEST ENDOSCOPY CENTER LLC | NAPERVILLE | 14C0001134 | 1003036310 |
| MIDWEST EYE CENTER | CALUMET CITY | 14C0001037 | 1790746428 |
| NAPERVILLE SURGICAL CENTRE | NAPERVILLE | 14C0001060 | 1164584066 |
| NILES SURGERY CENTER LLC | NILES | 14C0001199 | 1720776990 |
| NORTH SHORE ENDOSCOPY CENTER | LAKE BLUFF | 14C0001075 | 1497720999 |
| NORTH SHORE SAME DAY SURGERY DBA NORTH SHORE SURGICAL CENTER | LINCOLNWOOD | 14C0001041 | 1134262868 |
| NORTHWEST COMMUNITY DAY SURGERY CENTER II LLC | ARLINGTON HEIGHTS | 14C0001032 | 1093146771 |
| NORTHWEST COMMUNITY FOOT AND ANKLE CENTER LLC | DES PLAINES | 14C0001175 | 1679022636 |
| NORTHWEST ENDO CENTER LLC | ARLINGTON HEIGHTS | 14C0001168 | 1003260498 |
| NOVAMED EYE SURGERY CENTER OF MARYVILLE LLC DBA EYES OF ILLINOIS SURGERY CENTER | MARYVILLE | 14C0001057 | 1386641066 |
| NOVAMED SURGERY CENTER OF CHICAGO NORTHSHORE LLC | CHICAGO | 14C0001033 | 1992709851 |
| NOVAMED SURGERY CENTER OF OAK LAWN LLC DBA CENTER FOR RECONSTRUCTIVE SURGERY | OAK LAWN | 14C0001040 | 1518967082 |
| NOVAMED SURGERY CENTER OF RIVER FOREST LLC | RIVER FOREST | 14C0001023 | 1083615470 |
| OAK ASC LLC | BOURBONNAIS | 14C0001190 | 1962070896 |
| OAK BROOK SURGICAL CENTRE INC | OAK BROOK | 14C0001017 | 1184680407 |
| OAK LAWN ENDOSCOPY | OAKLAWN | 14C0001158 | 1679816342 |
| OFALLON SURGICAL CENTER LLC DBA PHYSICIANS SURGICAL CENTER | OFALLON | 14C0001180 | 1770042111 |
| OLYMPIAN SURGICAL SUITES | CHAMPAIGN | 14C0001144 | 1629218466 |
| OPHTHALMOLOGY SURGERY CENTER OF ILLINOIS LLC | ITASCA | 14C0001182 | 1497314181 |
| ORTHOILLINOIS SURGERY CENTER ELGIN LLC | ELGIN | 14C0001195 | 1710615869 |
| ORTHOPAEDIC SURGERY CENTER OF ILLINOIS LLC | SPRINGFIELD | 14C0001083 | 1760457204 |
| PAIN CARE SURGERY PC | MARION | 14C0001113 | 1184690570 |
| PAIN MANAGEMENT SURGICAL CENTER OF DU PAGE MEDICAL GROUP | NAPERVILLE | 14C0001149 | 1306135298 |
| PALOS HEALTH SURGERY CENTER | ORLAND PARK | 14C0001178 | 1538647474 |
| PALOS HILLS SURGERY CENTER | PALOS HILLS | 14C0001159 | 1386999662 |
| PALOS SURGICENTER LLC | PALOS HEIGHTS | 14C0001036 | 1942335971 |
| PCAC GI JV LLC DBA AMITA HEALTH ENDOSCOPY CENTER LINCOLN PARK | CHICAGO | 14C0001189 | 1720667637 |
| PEORIA AMBULATORY SURGERY | PEORIA | 14C0001058 | 1053362343 |
| PHYSICIANS SURGERY CENTER AT GOOD SAMARITAN LLC | MOUNT VERNON | 14C0001157 | 1285980151 |
| PHYSICIANS SURGERY CENTER LLC | CARBONDALE | 14C0001028 | 1023297553 |
| PLAINFIELD SURGERY CENTER LLC | PLAINFIELD | 14C0001139 | 1902078207 |
| PREFERRED SURGICENTER LLC | ORLAND PARK | 14C0001162 | 1932597408 |
| PREMIER CARDIOCASCULAR SURGERY CENTER | MERRIONETTE PARK | 14C0001181 | 1922664622 |
| PRESENCE LAKESHORE GASTROENTEROLOGY DBA DES PLAINES ENDOSCOPY CENTER | DES PLAINES | 14C0001171 | 1639618036 |
| QUAD CITY AMBULATORY SURGERY CENTER LLC | MOLINE | 14C0001056 | 1487612024 |
| QUINCY PHYSICIANS SURGEONS CLINIC DBA QUINCY MEDICAL GROUP SURGERY CENTER | QUINCY | 14C0001187 | 1245862002 |
| RAVINE WAY SURGERY CENTER LLC | GLENVIEW | 14C0001128 | 1457385668 |
| RENAL INTERVENTION CENTER LLC | MORTON | 14C0001102 | 1639242506 |
| RIVER NORTH SAME DAY SURGERY LLC | CHICAGO | 14C0001030 | 1922141647 |
| RIVER NORTH SURGICAL SUITES INC | ELMHURST | 14C0001151 | 1205234143 |
| RIVERSIDE AMBULATORY SURGERY CENTER LLC | BOURBONNAIS | 14C0001120 | 1851407373 |
| ROCKFORD AMBULATORY SURGERY CENTER | ROCKFORD | 14C0001069 | 1265486849 |
| ROCKFORD GASTROENTEROLOGY ASSOCIATES LTD | ROCKFORD | 14C0001059 | 1871536763 |
| ROCKFORD ORTHOPEDIC SURGERY CENTER | ROCKFORD | 14C0001110 | 1356412894 |
| RSC ILLINOIS LLC DBA QUAD CITY ENDOSCOPY | MOLINE | 14C0001197 | 1376288050 |
| RSC ILLINOIS LLC DBA REGIONAL SURGICENTER | MOLINE | 14C0001071 | 1174778047 |
| RUSH COPLEY SURGICENTER LLC | AURORA | 14C0001095 | 1962959296 |
| RUSH OAK BROOK SURGERY CENTER | OAK BROOK | 14C0001177 | 1619469244 |
| RUSH SURGICENTER AT THE PROFESSIONAL BUILDING LTD PARTNERSHIP DBA RUSH SURGICENTER LTD PARTNERSHIP | CHICAGO | 14C0001062 | 1619013455 |
| SALT CREEK SURGERY CENTER | WESTMONT | 14C0001093 | 1295897106 |
| SCHAUMBURG SURGERY CENTER | SCHAUMBURG | 14C0001170 | 1265964050 |
| SILVER CROSS AMBULATORY SURGERY CENTER LLC DBA SILVER CROSS SURGERY CENTER | NEW LENOX | 14C0001172 | 1063947422 |
| SOUTH LOOP ENDOSCOPY AND WELLNESS CENTER LLC | CHICAGO | 14C0001156 | 1144593369 |
| SOUTHERN ILLINOIS ORTHOPEDIC CENTERLLC | HERRIN | 14C0001086 | 1023001377 |
| SOUTHWESTERN MEDICAL CENTER LLC | BEDFORD PARK | 14C0001025 | 1790710390 |
| SPECIALTY SURGICARE LTD | SCHAUMBURG | 14C0001184 | 1184245375 |
| SPRINGFIELD CLINIC ASC | SPRINGFIELD | 14C0001070 | 1992752224 |
| SURGERY CENTER AT 900 N MICHIGAN AVE LLC | CHICAGO | 14C0001043 | 1932136389 |
| SURGICAL CENTER OF DUPAGE MEDICAL GROUP | LOMBARD | 14C0001119 | 1710924899 |
| THE CENTER FOR ORTHOPEDIC MEDICINE LLC | BLOOMINGTON | 14C0001053 | 1679503692 |
| THE ORTHOPAEDIC INSTITUTE SURGERY CTR | METROPOLIS | 14C0001166 | 1407251622 |
| TINLEY WOODS SURGERY CENTER | TINLEY PARK | 14C0001097 | 1316009194 |
| UROPARTNERS SURGERY CENTER LLC | DES PLAINES | 14C0001173 | 1437601200 |
| VALLEY AMBULATORY SURGERY CENTER | ST CHARLES | 14C0001031 | 1104819424 |
| VASCULAR ACCESS CENTER OF IL AT MORGAN PARK LLC | CHICAGO | 14C0001183 | 1689163875 |
| VERNON SQUARE SURGICENTER | VERNON HILLS | 14C0001141 | 1720110497 |