- CenterPointe Hospital
- Chesterfield Surgery Center
- Landmark Surgery Center
- Mercy Endoscopy-Des Peres
- Mercy Endoscopy-Lake St. Louis
- Mercy Hospital-Lincoln
- Mercy Hospital-St. Louis
- Mercy Hospital-Washington
- Mercy Surgery Center Clayton at Clarkson
- Mercy Surgery Center – Patients First Drive
- Mid Rivers Surgery Center
- MidAmerica Surgery Center