| 20-20 SURGERY CENTER LLC | Organization | GREENSBURG |
| 325 ASC, LLC | Organization | EAST NORRITON |
| ABINGTON SURGICAL CENTER | Organization | WILLOW GROVE |
| ACADEMIC UROLOGY OF PA, LLC | Organization | BRYN MAWR |
| ADVANCED CENTER FOR SURGERY, LLC | Organization | ALTOONA |
| ADVANCED PAIN AND REHAB ASC LLC | Organization | HERMITAGE |
| ADVANCED SURGERY CENTER OF LANCASTER, LLC | Organization | LANCASTER |
| ADVANCED SURGICAL AMBULATORY PARTNERS OF HAVERTOWN | Organization | HAVERTOWN |
| AESTIQUE AMBULATORY SURGICAL CENTER, INC | Organization | GREENSBURG |
| AHI SKIN REJUVENATION CENTER | Organization | ALLENTOWN |
| ALLE-KISKI MEDICAL CENTER - SPU | Organization | NATRONA HEIGHTS |
| ALLEGHENY CLINIC | Organization | WEXFORD |
| ALLEGHENY CLINIC | Organization | PITTSBURGH |
| ALLEGHENY HEALTH NETWORK SURGERY CENTER - BETHEL PARK, LLC | Organization | BETHEL PARK |
| ALLEGHENY SURGERY CENTER LLC | Organization | ALTOONA |
| ALTOONA REGIONAL HEALTH SYSTEM | Organization | ALTOONA |
| ALTOONA SPECIALITY CENTER LLC | Organization | DUNCANSVILLE |
| AMBULATORY CARE SPECIALISTS OF CRANBERRY LLC | Organization | CRANBERRY TOWNSHIP |
| AMBULATORY ENDOSCOPIC SURGICAL CENTER OF BUCKS COUNTY LLC | Organization | YARDLEY |
| AMBULATORY SURGERY CENTER AT THE JEFFERSON PAIN & REHAB CENTER | Organization | PITTSBURGH |
| AMBULATORY SURGERY CENTER OF BALA CYNWYD, LLC | Organization | BALA CYNWYD |
| AMERICAN ACCESS CARE OF PENNSYLVANIA ASC LLC | Organization | PHILADELPHIA |
| AMERICAN ACCESS CARE OF PENNSYLVANIA LLC | Organization | PHILADELPHIA |
| AMERICAN ACCESS CARE OF SP ASC LLC | Organization | PHILADELPHIA |
| AMS CARDIOVASCULAR ASC PC | Organization | HORSHAM |
| ANGELINA THERESA BUCCI EYE SURGERY CENTER | Organization | WILKES BARRE |
| APPLE HILL SURGICAL CENTER PARTNERS | Organization | YORK |
| ARIA HEALTH BUCKS COUNTY SPU | Organization | LANGHORNE |
| ARIA HEALTH SYSTEM | Organization | PHILADELPHIA |
| ARIA HEALTH TORRESDALE -SPU | Organization | PHILADELPHIA |
| ARLOW SURGICAL SOLUTIONS LLC | Organization | JOHNSTOWN |
| ARMSTRONG COUNTY MEMORIAL HOSPITAL | Organization | KITTANNING |
| ARUSHA LLC | Organization | EXTON |
| ASSOCIATES SURGERY CENTERS, LLC | Organization | WEST MIFFLIN |
| ATLAS CARDIOVASCULAR CARE LLC | Organization | WEST CHESTER |
| AUTOTELIC PROPERTIES LLC | Organization | JOHNSTOWN |
| AXIA ABINGTON SURGERY CENTER, LLC | Organization | FORT WASHINGTON |
| BALA ASC | Organization | BALA CYNWYD |
| BALA CYNWYD SURGERY CENTER | Organization | BALA CYNWYD |
| BARNES-KASSON COUNTY HOSPITAL | Organization | SUSQUEHANNA |
| BEAVER VALLEY AMBULATORY SURGERY CENTER, LLC | Organization | MONACA |
| BEAVER VALLEY OFFICE BASED SURGERY LLC | Organization | ALIQUIPPA |
| BENEDETTO DERMATOLOGY,LLC | Organization | PHILADELPHIA |
| BERKS AMBULATORY SURGERY CENTER LLC | Organization | WYOMISSING |
| BERKS CENTER FOR DIGESTIVE HEALTH, LP | Organization | WYOMISSING |
| BERKSHIRE EYE SURGERY CENTER LP | Organization | WYOMISSING |
| BERKSHIRE EYE, LLC | Organization | WYOMISSING |
| BERNSTEIN HILLIKER HARTZELL EYE CENTER LLP | Organization | ALLENWOOD |
| BERWICK HOSPITAL CORPORATION | Organization | BERWICK |
| BEST IMPRESSION SURGICAL CENTER, LLC | Organization | NORRISTOWN |
| BETHLEHEM ENDOSCOPY CENTER LLC | Organization | BETHLEHEM |
| BETHLEHEM ENDOSCOPY CENTER LLC | Organization | BETHLEHEM |
| BETHLEHEM ENDOSCOPY CENTER LLC | Organization | BETHLEHEM |
| BMMSA HEART & VASCULAR CENTER OF THE MAIN LINE | Organization | BRYN MAWR |
| BRANDYWINE HOSPITAL, LLC | Organization | COATESVILLE |
| BROOKPARK SURGERY CENTER LLC | Organization | LEWISBURG |
| BRYN MAWR MEDICAL SPECIALISTS ASSOCIATION | Organization | KING OF PRUSSIA |
| BRYN MAWR MEDICAL SPECIALISTS ASSOCIATION | Organization | BRYN MAWR |
| BRYN MAWR SURGERY CENTER LLC | Organization | BRYN MAWR |
| BRYN MAWR SURGERY CENTER LLC | Organization | BRYN MAWR |