| ADVANCED SURGERY CENTER LLC | DEARBORN | — |
| ALLIANCE SURGERY CENTER | TRAVERSE CITY | — |
| AMERICAN SURGICAL CENTERS II LLC | ROSEVILLE | — |
| ANDERSEN EYE SURGERY CENTER LLC | SAGINAW | — |
| ASC TCG LLC | CLINTON TOWNSHIP | — |
| ASSOCIATED SURGICAL CENTER OF DEARBORN LLC | DEARBORN HEIGHTS | — |
| BALD MOUNTAIN SURGICAL CENTER | LAKE ORION | — |
| BATTLE CREEK ENDOSCOPY AND SURGERY CENTER | BATTLE CREEK | — |
| BIRMINGHAM AMBULATORY SURGICAL CENTER PLLC | TROY | — |
| BLAKE WOODS MEDICAL PARK SURGERY CENTER | JACKSON | — |
| BLOOMFIELD HILLS SURGERY CENTER DBA BLOOMFIELD HILLS SURGICAL CENTER | BLOOMFIELD HILLS | — |
| BLUE WATER ASC LLC | PORT HURON | — |
| BONE AND JOINT SURGERY CENTER OF NOVI | NOVI | — |
| BRONSON AMBULATORY SURGERY CENTER LLC DBA BRONSON ORTHOPEDIC SURGERY CENTER | KALAMAZOO | — |
| BROOKSIDE SURGERY CENTER | BATTLE CREEK | — |
| CASTLEMAN SURGERY CENTER DBA SOUTHGATE SURGERY CENTER | SOUTHGATE | — |
| CATARACT SPECIALTY SURGICAL CENTER | BERKLEY | — |
| CENTER FOR DIGESTIVE CARE LLC | YPSILANTI | — |
| CLARKSTON SURGERY CENTER | CLARKSTON | — |
| COPPER RIDGE SURGERY CENTER | TRAVERSE CITY | — |
| CROWNE POINT ENDOSCOPY AND SURGERY CENTER | FLINT | — |
| CUKROWSKI SURGERY CENTER PC | FLINT | — |
| DEARBORN SURGERY CENTER LLC DBA DEARBORN SURGERY CENTER | DEARBORN | — |
| EAST PARIS SURGICAL CENTER LLC | GRAND RAPIDS | — |
| EASTSIDE ASSOCIATES LLC | ST CLAIR SHORES | — |
| EASTSIDE ASSOCIATES LLC | ST CLAIR SHORES | — |
| EASTSIDE ASSOCIATES LLC DBA EASTSIDE ENDOSCOPY CENTER | CHESTERFIELD | — |
| EFTHEMIOS RAPHTIS MD PC | ROCHESTER | — |
| EXECUTIVE AMBULATORY SURGICAL CENTER LLC | DEARBORN | — |
| EYE SURGERY CENTER OF MICHIGAN LLC | TROY | — |
| FLINT REGION ASC LLC | FLINT | — |
| GARRETT EYE CENTER | IRON MOUNTAIN | — |
| GENESIS ASC PARTNERS LLC DBA GENESIS SURGERY CENTER | LANSING | — |
| GENESYS SURGERY CENTER | WESTLAND | — |
| GRAND RAPIDS SURGICAL SUITES PLLC | GRAND RAPIDS | — |
| GRAND RIVER ENDOSCOPY CENTER LLC | GRAND RAPIDS | — |
| GRAND RIVER SURGERY CENTER LLC | EAST LANSING | — |
| GRAND VALLEY SURGICAL CENTER | GRAND RAPIDS | — |
| GRASS LAKE SURGERY CENTER | GRASS LAKE | — |
| GREAT LAKES ENDOSCOPY CENTER | ST JOSEPH | — |
| GREAT LAKES EYE SURGERY CENTER LLC | SAGINAW | — |
| GREAT LAKES SURGERY CTR LLC | ST JOSEPH | — |
| GREAT LAKES SURGICAL CENTER LLC | SOUTHFIELD | — |
| HOLLAND EYE CLINIC PC | HOLLAND | — |
| HURON GASTRO ENDOSCOPY CENTER LLC DBA HURON GASTRO CENTER FOR DIGESTIVE CARE | LIVONIA | — |
| KALAMAZOO ENDO CENTER | PORTAGE | — |
| KUMAR SURGICAL CENTER | ROCHESTER HILLS | — |
| LAKE LANSING ASC PARTNERS LLC | LANSING | — |
| LAKE LANSING SURGICAL CENTER LLC DBA MIDWEST VISION SURGERY CENTER OF LANSING | EAST LANSING | — |
| LAKESHORE EYE SURGERY CENTER | ST CLAIR SHORES | — |
| LAPEER COUNTY SURGERY CENTER | LAPEER | — |
| LENOX SURGERY CENTER LLC | LENOX | — |
| LIVONIA OUTPATIENT SURGERY CENTER LLC | LIVONIA | — |
| LIVONIA SURGERY CENTER LLC | LIVONIA | — |
| MACKINAW SURGERY CENTER LLC | SAGINAW | — |
| MACOMB ENDOSCOPY CENTER PLC | MACOMB | — |
| MEI SURGERY CENTER PLLC DBA MICHIGAN EYE SURGERY CENTER | FLINT | — |
| METRO HEALTH ASC LLC DBA METRO HEALTH OAM SURGERY CENTER | GRAND RAPIDS | — |
| MICHIGAN ADVANCED SURGICAL CENTER | WARREN | — |
| MICHIGAN ENDOSCOPY CENTER AT PROVIDENCE PARK | NOVI | — |
| MICHIGAN ENDOSCOPY CENTER LLC | FARMINGTON HILLS | — |
| MICHIGAN NEUROLOGY ASSOCIATES PC | CLINTON TOWNSHIP | — |
| MICHIGAN OUTPATIENT SURGERY CENTER INC | FRASER | — |
| MICHIGAN OUTPATIENT SURGICAL SOLUTIONS | NOVI | — |
| MICHIGAN SPECIALTY SURGERY CENTER LLC | CLARKSTON | — |
| MICHIGAN SURGICAL CENTER LLC | EAST LANSING | — |
| MIDMICHIGAN ENDOSCOPY CENTER PLLC | FLINT | — |
| MPS ASC VENTURES INKSTER LLC DBA MIORTHO SURGERY CENTER | SOUTHFIELD | — |
| MT PLEASANT SURGERY CTR | MT PLEASANT | — |
| MUSKEGON SC LLC | MUSKEGON | — |
| NEUROLOGY AND PAIN INSTITUTE PLLC DBA PORT HURON SURGICAL CENTER | PORT HURON | — |
| NEWCO AMBULATORY SURGERY CENTER LLP | FORT GRATIOT | — |
| NEW MILLENNIUM SURGERY CENTER PLLC | SOUTHFIELD | — |
| NORTHERN MICHIGAN SURGICAL SUITES | BOYNE CITY | — |
| NOVI SURGERY CENTER | NOVI | — |
| NPS ASSOCIATES LLC DBA GREAT LAKES BAY SURGERY ENDOSCOPY CENTER | MIDLAND | — |
| OAKLAND SURGICENTER INC | ROCHESTER HILLS | — |
| OSI LLC DBA ORTHOPAEDIC SURGICAL INSTITUTE | ROCHESTER HILLS | — |
| PAIN TREATMENT CENTER OF MICHIGAN LLC DBA MATRIX SURGERY CENTER | SAGINAW | — |
| PIONEER ENDOSCOPY AND SURGERY CENTER LLC | STERLING HEIGHTS | — |
| PLATINUM MANAGEMENT LLC DBA MOVI ASC | DEARBORN | — |
| PRECISION SURGERY CENTER | MACOMB | — |
| PREMIER SURGICAL CTR OF MICHIGAN | CLINTON TOWNSHIP | — |
| RED CEDAR SURGERY CENTER PLLC | HASLETT | — |
| ROCHESTER ENDOSCOPY SURGERY CENTER LLC | ROCHESTER HILLS | — |
| ROCHESTER SURGERY CENTER PC | ROCHESTER HILLS | — |
| ROYAL OAK SURGICAL CENTER | ROYAL OAK | — |
| SHORELINE ASC INC | MUSKEGON | — |
| SIXTY FOURTH STREET LLC | BYRON CENTER | — |
| SOUTHFIELD ENDOSCOPY ASC LLC | TROY | — |
| SOUTHFIELD SURGERY CENTER LLC | SOUTHFIELD | — |
| SPECIALTY SURGICAL CTR | OAK PARK | — |
| SUMMIT SURGERY CENTER | TROY | — |
| SUPERIOR ENDOSCOPY CENTER SUITE | MARQUETTE | — |
| SURGERY CENTER AT GATEWAY LLC | FLINT | — |
| SURGERY CENTER AT HEALTH PARK LLC | GRAND BLANC | — |
| SURGERY CENTER OF KALAMAZOO LLC | PORTAGE | — |
| SURGERY CENTER OF MICHIGAN | STERLING HEIGHTS | — |
| SURGICAL CARE CENTER OF MICHIGAN | GRAND RAPIDS | — |
| SURGICAL CENTERS OF MICHIGAN LLC | TROY | — |