- 900 North Surgical Center – Illinois
- Accredited Ambulatory Care LLC – Illinois
- Ambulatory Surgical Care Facility LLC – Illinois
- Ambulatory Vascular Care – New York
- Amsurg Surgery Center – Illinois
- Belmont Harlem Surgery Center – Illinois
- Biotronic NeuroNetwork – Michigan
- CBC LLC – Indiana
- Complete Orthopaedics – Illinois
- Elgin Gastroenterology Endoscopy Center – Illinois
- Elmhurst Medical Surgery Center – Illinois
- Elmhurst Outpatient Surgery Center – Illinois
- Eye Surgery Center of Hinsdale – Illinois
- Family Med – Illinois
- Foot & Ankle Surgical Center – Illinois
- Forsyth Street Ambulatory Surgery Center – Georgia
- Fullerton Ambulatory Surgery Center – Illinois
- Gold Coast Surgicenter – Illinois
- Hart Road Pain & Spine Institute – Illinois
- Hawthorn Surgery Center – Illinois
- HIND General Hospital, LLC – Indiana
- Hinsdale Surgical Center – Illinois
- Hyde Park Surgery Center – Illinois
- IL Hand & Upper Extremity Center – Illinois
- Intellicell Bioscience, Inc. – New York
- Joliet Outpatient Center – Illinois
- Kendall Pointe Surgery Center – Illinois
- Kips Bay Gynecology, LLC – New York
- Loyola Ambulatory Surgery Center – Illinois
- Magna Surgical Center – Illinois
- Manhattan Colorectal Surgeons – New York
- Manhattan Physician Group – New York
- Maher S. Ahmed, MD – New York
- Northwest Surgicare SCA – Illinois
- NYU Facility Group Practice – New York
- Peterson Medical Surgi-Center, SC – Illinois
- Pronger Smith Medical Care LLC – Illinois
- Riverside Surgical Center – Florida
- Rockford Orthopedic Surgery Center LLC – Illinois
- Rogers Park One Day Surgery Center – Illinois
- Rush SurgiCenter Limited Partnership – Illinois
- Same Day Surgery, LLC – Illinois
- St. Vincent Surgery Center – Indiana
Other States:
- Maryland
- New Hampshire
- New Jersey
- Wisconsin
