| 16TH STREET SURGERY CENTER, LLC | Organization | PHOENIX |
| 59TH AVENUE SURGICAL FACILITY, LTD | Organization | GLENDALE |
| ADOBE SURGERY CENTER, PC | Organization | TUCSON |
| ADVANCED AMBULATORY SURGERY CENTER ONE, LLC | Organization | SURPRISE |
| ADVANCED CARDIAC SPECIALISTS, CHARTERED | Organization | MESA |
| ADVANCED INJURY SOLUTIONS PLLC | Organization | MESA |
| ADVANCED LASER & SURGICENTER OF ARIZONA, PC | Organization | GILBERT |
| ADVANCED MICROSURGERY CENTERS OF THE VALLEY | Organization | PHOENIX |
| ADVANCED PAIN NETWORK, LLC | Organization | PHOENIX |
| ADVANCED PLASTIC SURGERY CENTER, L.L.C. | Organization | PRESCOTT |
| ADVANCED SPINE AND PAIN SURGERY CENTERS LLC | Organization | PHOENIX |
| ADVANCED SURGERY CENTER OF ARIZONA, LLP | Organization | PHOENIX |
| ADVANCED SURGICAL CARE EAST LLC | Organization | CHANDLER |
| ADVANCED SURGICAL CARE EAST TWO LLC | Organization | CHANDLER |
| ADVANCED SURGICAL WEIGHT LOSS, LLC | Organization | TEMPE |
| ADVANTAGE SURGERY CENTER, LLC | Organization | MESA |
| AFFILIATED PHYSICIANS & SURGEONS, LTD | Organization | PHOENIX |
| AFFILIATED PHYSICIANS & SURGEONS, LTD | Organization | GLENDALE |
| AGAVE SURGERY CENTER | Organization | PHOENIX |
| AHWATUKEE AMBULATORY SURGICAL CENTER, LLC | Organization | PHOENIX |
| AHWATUKEE SURGERY CENTER, PC | Organization | PHOENIX |
| AIMS OUTPATIENT SURGERY | Organization | KINGMAN |
| AKDHC SURGERY CENTER, LLC | Organization | MARANA |
| AKDHC SURGERY CENTER, LLC | Organization | PHOENIX |
| AKDHC SURGERY CENTER, LLC | Organization | GLENDALE |
| AKDHC SURGERY CENTER, LLC | Organization | BULLHEAD CITY |
| AKDHC SURGERY CENTER, LLC | Organization | BULLHEAD CITY |
| AKDHC SURGERY CENTER, LLC | Organization | PHOENIX |
| AKDHC SURGERY CENTER, LLC | Organization | PHOENIX |
| ALCHEMY SURGERY CENTER LLC | Organization | TUCSON |
| ALIGN MEDICAL DME LLC | Organization | SURPRISE |
| ALIVIO SURGERY CENTER, LLC | Organization | PHOENIX |
| ALLIANCE PAIN SOLUTIONS, LLC | Organization | PHOENIX |
| ALLIED CENTER FOR SPECIAL SURGERY, SCOTTSDALE LLC | Organization | SCOTTSDALE |
| ALLIED INTERNATIONAL HOLDINGS, LLC | Organization | COTTONWOOD |
| ALOE SURGICAL CENTER SCOTTSDALE, LLC | Organization | SCOTTSDALE |
| AMBULATORY SURGERY CENTER OF TUCSON, INC. | Organization | TUCSON |
| AMBULATORY SURGERY CENTER OF YUMA, LLC | Organization | YUMA |
| AMBULATORY SURGERY CENTERS, LLC | Organization | AVONDALE |
| AMBULATORY SURGI-CENTER AT FMC LLC | Organization | FLAGSTAFF |
| AMC SURGERY CENTER LLC | Organization | SCOTTSDALE |
| ANS SURGICAL CENTER, LLC | Organization | PHOENIX |
| ANTHEM SURGICAL CENTER LLC | Organization | SCOTTSDALE |
| ANTHEM TREATMENT CENTER LLC | Organization | ANTHEM |
| APEX AMBULATORY SURGERY CENTER, LLC | Organization | CHANDLER |
| APEX HEART AND VASCULAR CENTER, LLC | Organization | GLENDALE |
| APEX SURGERY CENTER LLC | Organization | PHOENIX |
| APM SURGERY CENTER LLC | Organization | CHANDLER |
| APOLLO SURGERY CENTERS PLLC | Organization | SCOTTSDALE |
| APOLLO SURGICAL CENTER LLC | Organization | MESA |
| APR TREATMENT CENTER OF PHOENIX LLC | Organization | PHOENIX |
| APRTC ANTHEM LLC | Organization | ANTHEM |
| APRTC HAYDEN LLC | Organization | SCOTTSDALE |
| APS SURGICAL CENTER, LLC | Organization | MESA |
| ARCADIA COMMONS SURGERY CENTER, LLC | Organization | SCOTTSDALE |
| ARIZONA ADVANCED ENDOSCOPY LLC | Organization | GILBERT |
| ARIZONA ADVANCED SURGERY CENTER, LLC | Organization | SCOTTSDALE |
| ARIZONA BREATHE FREE SURGERY CENTER | Organization | SCOTTSDALE |
| ARIZONA CENTER FOR MINIMALLY INVASIVE SURGERY LLC | Organization | CHANDLER |
| ARIZONA CENTER FOR SURGICAL EXCELLENCE, LLC | Organization | PHOENIX |