| ABERDEEN AMBULATORY SURGICAL CENTER, LLC | Organization | PUEBLO |
| ACCESS SURGICAL CENTER LLC | Organization | LITTLETON |
| ADVANCED HEART AND VEIN SURGERY CENTER, LLC | Organization | THORNTON |
| ADVANCED VISION SURGERY CENTER LLC | Organization | LONGMONT |
| ALEKSANDR BACHAYEV, SURGICAL ASSISTANT | Individual | DENVER |
| ALLIED CENTER FOR SPECIAL SURGERY DENVER LLC | Organization | ENGLEWOOD |
| ALPINE FACIAL SURGERY | Organization | STEAMBOAT SPRINGS |
| ALPINE SURGERY CENTER LLC | Organization | GUNNISON |
| ALTITUDE SURGERY CENTER LONE TREE PLLC | Organization | LONE TREE |
| APEX ASC FORT COLLINS, LLC | Organization | FORT COLLINS |
| ARAPAHOE ENDOSCOPY CENTER PARTNERSHIP PLLP | Organization | LITTLETON |
| ARAPAHOE SURGERY CENTER., LLC | Organization | ENGLEWOOD |
| ARAPAHOE SURGICENTER, LLC | Organization | LITTLETON |
| ARETE SURGICAL CENTER, LLC | Organization | JOHNSTOWN |
| ARKANSAS VALLEY SURGERY CENTER | Organization | CANON CITY |
| ASARCH SURGERY CENTER | Organization | ENGLEWOOD |
| ASC DENVER WEST LLC | Organization | LITTLETON |
| ASC LONE TREE LLC | Organization | ENGLEWOOD |
| ASCENT SURGERY CENTER, LLC | Organization | COLORADO SPRINGS |
| AUDUBON AMBULATORY SURGERY CENTER LLC | Organization | COLORADO SPRINGS |
| AUDUBON AMBULATORY SURGERY CENTER LLC | Organization | COLORADO SPRINGS |
| AURORA ENDOSCOPY SURGICENTER, LLC | Organization | AURORA |
| AURORA SURGERY CENTER LIMITED PARTNERSHIP | Organization | AURORA |
| AXCELL HEALTHCARE OF COLORADO | Organization | GOLDEN |
| BASALT ORTHOPEDIC SURGERY CENTER, LLC | Organization | BASALT |
| BELMAR AMBULATORY SURGICAL CENTER, LLC | Organization | LAKEWOOD |
| BLACK CANYON SURGICAL CENTER, LLC | Organization | MONTROSE |
| BOULDER COMMUNITY MUSCULOSKELETAL SURGERY CENTER, LLC | Organization | BOULDER |
| BOULDER MEDICAL CENTER, PC | Organization | BOULDER |
| BROOMFIELD ORTHOPEDIC SURGERY CENTER, LLC | Organization | BROOMFIELD |
| CANON CITY CO MULTI SPECIALTY ASC LLC | Organization | CANON CITY |
| CANYON VIEW ASC, LLC | Organization | GRAND JUNCTION |
| CARE DENTAL SURGICAL CENTER OF DENVER LLC | Organization | AURORA |
| CASTLE ROCK SURGICENTER, LLC | Organization | CASTLE ROCK |
| CENTER FOR REGENERATIVE MEDICINE LLC | Organization | CANON CITY |
| CENTRUM SURGERY CENTER LTD | Organization | GREENWOOD VILLAGE |
| CHARLES PECK, MD | Individual | BROOMFIELD |
| CHILDREN'S NORTH SURGERY CENTER, LLC | Organization | BROOMFIELD |
| CK LEASING, LLC | Organization | BOULDER |
| CLEAR CREEK SURGERY CENTER LLC | Organization | WHEAT RIDGE |
| COAL CREEK AMBULATORY SURGERY CENTER PC | Organization | LAFAYETTE |
| COLORADO AMBULATORY CARE INSTITUTE LLC | Organization | DENVER |
| COLORADO ENDOSCOPY CENTERS, LLC | Organization | LONGMONT |
| COLORADO PERMANENTE MEDICAL GROUP, P.C. | Organization | LONE TREE |
| COLORADO PERMANENTE MEDICAL GROUP, P.C. | Organization | DENVER |
| COLORADO SPRINGS CARDIOLOGY HEART & VASCULAR CENTER LLC | Organization | COLORADO SPRINGS |
| COLORADO SPRINGS EYE SURGERY CENTER | Organization | COLORADO SPRINGS |
| COLORADO SPRINGS SURGERY CENTER LTD | Organization | COLORADO SPRINGS |
| COLORADO SPRINGS SURGICENTER, LLC | Organization | COLORADO SPRINGS |
| COLORADO SURGERY CENTERS | Organization | ENGLEWOOD |
| COLORADO UROLOGIC SURGERY CENTER LLC | Organization | LAKEWOOD |
| COLORADO UROLOGIC SURGERY CENTER LLC | Organization | SUPERIOR |
| COLORADO UROLOGIC SURGERY CENTER, LLC | Organization | NORTHGLENN |
| COLORADO UROLOGIC SURGERY CENTER, LLC | Organization | LONE TREE |
| CORNERSTONE SURGICAL SUITES, LLC | Organization | WESTMINSTER |
| CROWN POINT SURGERY CENTER, L.L.C. | Organization | PARKER |
| CROWN POINT SURGERY CENTER, LLC | Organization | PARKER |
| DAY SURGERY OF GRAND JUNCTION LLC | Organization | GRAND JUNCTION |
| DENVER CHILDREN'S SURGERY CENTER LLC | Organization | WESTMINSTER |
| DENVER DIAGNOSTIC ASC, LLC | Organization | LITTLETON |