| ADVANCED VISION SURGERY CENTER LLC | LONGMONT | 06C0001171 | 1972030161 |
| ALPINE SURGERY CENTER | GUNNISON | 06C0001115 | 1497776553 |
| ARAPAHOE SURGICENTER LLC | LITTLETON | 06C0001071 | 1518359181 |
| ARETE SURGICAL CENTER | JOHNSTOWN | 06C0001143 | 1487096061 |
| ASCENT SURGERY CENTER LLC | COLORADO SPRINGS | 06C0001072 | 1861663098 |
| AUDUBON AMBULATORY SURGERY CENTER LLC | COLORADO SPRINGS | 06C0001057 | 1174592844 |
| AUDUBON AMBULATORY SURGERY CENTER LLC DBA AUDUBON ASC AT ST FRANCIS | COLORADO SPRINGS | 06C0001131 | 1770180986 |
| BANNER HEALTH MOUNTAIN VISTA SURGERY CENTER | GREELEY | 06C0001086 | 1336268754 |
| BLACK CANYON SURGICAL CENTER LLC | MONTROSE | 06C0001109 | 1578515367 |
| BOULDER COMMUNITY MUSCULOSKELETAL CENTER | BOULDER | 06C0001100 | 1336148360 |
| BOULDER MEDICAL CENTER PC | BOULDER | 06C0001015 | 1962668319 |
| BROOMFIELD ORTHOPEDIC SURGERY CENTER LLC | BROOMFIELD | 06C0001205 | 1487345328 |
| CANON CITY CO MULTI SPECIALTY ASC LLC | CANON CITY | 06C0001114 | 1750517561 |
| CANYON VIEW SURGERY CENTER LLC | GRAND JUNCTION | 06C0001146 | 1689003766 |
| CASTLE ROCK SURGICENTER LLC | CASTLE ROCK | 06C0001166 | 1831686674 |
| CENTRUM SURGERY CENTER LTD | GREENWOOD VILLAGE | 06C0001034 | 1477516961 |
| CLEAR CREEK SURGERY CENTER LLC | WHEAT RIDGE | 06C0001098 | 1063598597 |
| COAL CREEK ASC | LAFAYETTE | 06C0001156 | 1417294745 |
| COLORADO SPRINGS SURGICENTER DBA NORTH SPRINGS SURGERY CENTER | COLORADO SPRINGS | 06C0001206 | 1851029060 |
| COLORADO UROLOGIC SURGERY CENTER | SUPERIOR | 06C0001185 | 1376155440 |
| COLORADO UROLOGIC SURGERY CENTER | LAKEWOOD | 06C0001190 | 1922611714 |
| COLORADO UROLOGIC SURGERY CENTER LLC | LONE TREE | 06C0001195 | 1306421268 |
| CROWN POINT SURGERY CENTER | PARKER | 06C0001085 | 1649310111 |
| DAVITA MEDICAL COLORADO ASC LLC DBA DIGESTIVE DISEASE ENDOSCOPY CENTER | COLORADO SPRINGS | 06C0001083 | 1326563537 |
| DAY SURGERY OF GRAND JUNCTION | GRAND JUNCTION | 06C0001019 | 1346308954 |
| DENVER DIAGNOSTIC ASC LLC | GREENWOOD VILLAGE | 06C0001178 | 1750874400 |
| DENVER EYE SURGERY CENTER | LAKEWOOD | 06C0001009 | 1457335077 |
| DENVER MID TOWN SURGERY CENTER LTD | DENVER | 06C0001035 | 1710940218 |
| DENVER SURGICENTER LLC | DENVER | 06C0001081 | 1902204654 |
| DENVER WEST ENDOSCOPY CENTER LLC | LAKEWOOD | 06C0001137 | 1629320742 |
| DENVER WEST ENDOSCOPY CENTER LLC | LAKEWOOD | 06C0001030 | 1629320742 |
| DOWNTOWN DENVER ENDOSCOPY CENTER LLC | DENVER | 06C0001210 | 1952162679 |
| DRY CREEK SURGERY CENTER LLC | ENGLEWOOD | 06C0001169 | 1770075467 |
| DTC SURGERY CENTER LLC | DENVER | 06C0001172 | 1174010011 |
| DURANGO SURGERY CENTER LLC DBA ANIMAS SURGICAL CENTER AT ESCALANTE | DURANGO | 06C0001189 | 1548870603 |
| ECCS ACQUISITION COMPANY LLC DBA ECCS AT ST FRANCIS | COLORADO SPRINGS | 06C0001192 | 1912678947 |
| ECCS ACQUISITION COOMPANY DBA ENDOSCOPY CENTERS OF COLORADO SPRINGS | COLORADO SPRINGS | 06C0001105 | 1114584786 |
| ENDOSCOPY CENTER OF GRAND JUNCTION | GRAND JUNCTION | 06C0001092 | 1659625101 |
| ENDOSCOPY CENTER OF THE ROCKIES LLC | LAFAYETTE | 06C0001065 | 1700807617 |
| ENDOSCOPY CENTER OF THE ROCKIES LLC | BOULDER | 06C0001089 | 1558526293 |
| ENDOSCOPY CENTER OF THE ROCKIES LLC | LONGMONT | 06C0001076 | 1811148869 |
| ENDOSCOPY CENTER OF WESTERN COLORADO INC | GRAND JUNCTION | 06C0001128 | 1073757480 |
| FLATIRONS SURGERY CENTER LLC | LOUISVILLE | 06C0001080 | 1679644017 |
| FOCUS HAND SURGICENTER LLC | ENGLEWOOD | 06C0001141 | 1245749258 |
| FOOT SURGERY CENTER OF NORTHERN COLORADO LLC | FORT COLLINS | 06C0001043 | 1013116938 |
| FOOTHILLS SURGERY CENTER LLC | BOULDER | 06C0001140 | 1104189042 |
| FRONT RANGE ENDOSCOPY CENTERS LLC | COLORADO SPRINGS | 06C0001119 | 1962609560 |
| FRONT RANGE ORTHOPEDIC SURGERY CENTER LLC | LONGMONT | 06C0001073 | 1720127483 |
| FUNCTIONAL NEUROSURGICAL AMBULATORY SURGERY CENTERLLC | LITTLETON | 06C0001159 | 1891186987 |
| GOLDEN RIDGE SURGERY CENTER | GOLDEN | 06C0001058 | 1265972087 |
| GRAND VALLEY SURGICAL CENTER LLC | GRAND JUNCTION | 06C0001054 | 1942207196 |
| GREELEY ENDOSCOPY CENTER | GREELEY | 06C0001180 | 1679134795 |
| GS CAMPUS ASC DBA LAFAYETTE SURGERY CENTER | LAFAYETTE | 06C0001181 | 1790320612 |
| HARMONY SURGERY CENTER LLC | FORT COLLINS | 06C0001061 | 1174590434 |
| HARVARD PARK SURGERY CENTER LLC | DENVER | 06C0001110 | 1366559122 |
| HEALTHONE RIDGE VIEW ENDOSCOPY CENTER LLC | LONE TREE | 06C0001078 | 1336437482 |
| HEALTHONE RIDGE VIEW ENDOSCOPY CENTER LLC | ENGLEWOOD | 06C0001032 | 1871912485 |
| HIGHLINE SOUTH AMBULATORY SURGERY | LITTLETON | 06C0001118 | 1588756621 |
| ICON SURGERY CENTER OF DENVER | ENGLEWOOD | 06C0001151 | 1053711275 |
| INSIGHT SURGERY CENTER | LONE TREE | 06C0001161 | 1780117440 |
| KAISER PERMANENTE | LONE TREE | 06C0001145 | 1538507942 |
| KAISER PERMANENTE SURGERY CTR | DENVER | 06C0001028 | 1245344407 |
| LINCOLN SURGERY CENTER LLC | PARKER | 06C0001124 | 1821249616 |
| LITTLETON DAY SURGERY CENTER LLC | LITTLETON | 06C0001012 | 1679656714 |
| LONE TREE SURGERY CENTER | LONE TREE | 06C0001187 | 1043819873 |
| LOVELAND ENDOSCOPY CENTER LLC | LOVELAND | 06C0001094 | 1780683797 |
| LOVELAND SURGERY CENTER | LOVELAND | 06C0001077 | 1063595221 |
| LUTHERAN CAMPUS ASC | WHEAT RIDGE | 06C0001113 | 1124086608 |
| MADISON STREET SURGERY CENTER LLC | DENVER | 06C0001056 | 1326132291 |
| MILE HIGH SURGICENTER LLC | GREENWOOD VILLAGE | 06C0001173 | 1841782539 |
| MILESTONE SURGICAL CENTER LLC | PARKER | 06C0001194 | 1659842128 |
| MINERAL SURGERY CENTER LLC | LITTLETON | 06C0001209 | 1730875840 |
| MOUNTAIN VIEW SURGICAL SPECIALISTS | DENVER | 06C0001204 | 1144903113 |
| NATURAL EYES LASER AND SURGERY CENTER LLLP | COLORADO SPRINGS | 06C0001059 | 1922090844 |
| NORTH CARE ASC LLC | COLORADO SPRINGS | 06C0001158 | 1437501145 |
| NORTH DENVER MUSCULOSKELETAL SURGICAL PARTNERS LLC | WESTMINSTER | 06C0001198 | 1891450805 |
| NORTH SUBURBAN SPINE CENTER LP | THORNTON | 06C0001068 | 1891745956 |
| NORTHGLENN ENDOSCOPY CENTER LLC | DENVER | 06C0001157 | 1962958223 |
| NOVAMED EYE SURGERY CENTER OF COLORADO SPRINGS DBA PREMIER SURGERY CENTER | COLORADO SPRINGS | 06C0001051 | 1750386322 |
| NOVAMED SURGERY CENTER OF DENVER LLC | ENGLEWOOD | 06C0001005 | 1508862624 |
| OCR FORT COLLINS ASC AND CCC DBA OCR FORT COLLINS SURGERY CENTER | FORT COLLINS | 06C0001022 | 1740862606 |
| OCR LOVELAND SURGERY CENTER | LOVELAND | 06C0001176 | 1548738495 |
| OPTUM PEAK ENDOSCOPY CENTER LLC | COLORADO SPRINGS | 06C0001202 | 1316678311 |
| PARK AVENUE SURGERY CENTER LLC | DENVER | 06C0001088 | 1689748758 |
| PARK MEADOWS OUTPATIENT SURGERY | LONE TREE | 06C0001020 | 1669548368 |
| PARK RIDGE SURGERY CENTER LLC | LONE TREE | 06C0001153 | 1245635093 |
| PARKWEST SURGERY CENTER LLC | PUEBLO | 06C0001026 | 1871658658 |
| PEAK ONE SURGERY CENTER | FRISCO | 06C0001106 | 1609876556 |
| PEAK SURGERY CENTER LLC | COLORADO SPRINGS | 06C0001148 | 1780014068 |
| PIKES PEAK ENDOSCOPY AND SURGERY CENTER LLC | COLORADO SPRINGS | 06C0001039 | 1033292214 |
| PREMIER EYE SURGERY CENTER | LAFAYETTE | 06C0001179 | 1912460015 |
| PUEBLO AMBULATORY SURGERY CENTER LLC | PUEBLO | 06C0001029 | 1639134505 |
| PUEBLO ENDOSCOPY SUITES LLC | PUEBLO | 06C0001087 | 1437175627 |
| RED ROCKS SURGERY CENTERS LLC | GOLDEN | 06C0001132 | 1083912745 |
| RESEARCH SURGICAL CENTER LLC | COLORADO SPRINGS | 06C0001139 | 1053661108 |
| RIVER POINT SURGERY CENTER LLC | SHERIDAN | 06C0001196 | 1588323513 |
| ROCKY MOUNTAIN ENDOSCOPY CENTERS LLC | AURORA | 06C0001046 | 1477615284 |
| ROCKY MOUNTAIN ENDOSCOPY CENTERS LLC | LAKEWOOD | 06C0001070 | 1477615284 |
| ROCKY MOUNTAIN ENDOSCOPY CENTERS LLC | THORNTON | 06C0001049 | 1477615284 |
| ROCKY MOUNTAIN LASER AND SURGERY CENTER | PUEBLO | 06C0001050 | 1285608075 |
| ROCKY MOUNTAIN SURGERY CENTER LLC | ENGLEWOOD | 06C0001095 | 1073613162 |
| ROSE AMBULATORY SURGERY CENTER LP | DENVER | 06C0001111 | 1295776920 |
| SDG CASTLE ROCK ENDOSCOPY CENTER | CASTLE ROCK | 06C0001165 | 1306353586 |
| SJ EAST CAMPUS LLC ASC DBA DENVER SURGERY CENTER | DENVER | 06C0001167 | 1326557653 |
| SKY RIDGE SURGERY CENTER LP | LONE TREE | 06C0001084 | 1144283649 |
| SKYLINE SURGERY CENTER | PUEBLO | 06C0001175 | 1205317054 |
| SOUTH DENVER SURGERY CENTER | LITTLETON | 06C0001163 | 1447797105 |
| SOUTH DENVER SURGICAL SERVICES LLC DBA SOUTH DENVER UROLOGY | LITTLETON | 06C0001191 | 1366065674 |
| SOUTHWEST ENDOSCOPY PARTNERS LLC | DURANGO | 06C0001064 | 1871007880 |
| STEAMBOAT SURGERY CENTER | STEAMBOAT SPRINGS | 06C0001182 | 1821642661 |
| SUMMIT ORTHOPEDIC SURGERY CENTER LLC DBA DILLON SURGERY CENTER | DILLON | 06C0001197 | 1437746674 |
| SUMMIT VIEW SURGERY CENTER | LITTLETON | 06C0001079 | 1275682627 |
| SURGERY AFFILIATES LLC | COLORADO SPRINGS | 06C0001142 | 1740629245 |
| SURGERY CENTER AT KISSING CAMELS LLC | COLORADO SPRINGS | 06C0001174 | 1285121020 |
| SURGERY CENTER OF NORTHERN COLORADO DBA EYE CENTER OF NORTHERN COLORADO SURGERY CENTER | FORT COLLINS | 06C0001042 | 1477559839 |
| SURGICAL CENTER OF PEAK ENDOSCOPY LLC | COLORADO SPRINGS | 06C0001155 | 1912388026 |
| SYNERGY SURGICENTER LLC DBA SYNERGY SURGERY CENTER | ENGLEWOOD | 06C0001208 | 1093433021 |
| THE ORTHOPAEDIC AND SPINE CENTER OF SOUTHERN COLORADO LLC | COLORADO SPRINGS | 06C0001149 | 1942540851 |
| THE SURGERY CENTER AT LONE TREE | LONE TREE | 06C0001121 | 1386795540 |
| UC HEALTH AMBULATORY SURGICAL CENTER INVERNESS ORTHOPEDICS AND SPINE SURGERY CENTER | ENGLEWOOD | 06C0001177 | 1639669476 |
| UCHEALTH AMBULATORY SURGERY CENTERS DBA UCHEALTH CHERRY CREEK NORTH SURGERY CENTER | DENVER | 06C0001184 | 1770112617 |
| UCHEALTH AMBULATORY SURGERY CENTERS DBA UCHEALTH EASTVIEW SURGERY CENTER | COLORADO SPRINGS | 06C0001203 | 1376230722 |
| UCHEALTH LONGS PEAK SURGERY CENTER | LONGMONT | 06C0001162 | 1770958522 |
| VAIL VALLEY SURGERY CENTER LLC DBA VAIL VALLEY SURGERY CENTER EDWARDS | EDWARDS | 06C0001134 | 1447539861 |
| VAIL VALLEY SURGERY CENTER LLC DBA VAIL VALLEY SURGERY CENTER VAIL | VAIL | 06C0001074 | 1003944125 |