- The Walter B Jones Lakeside Psychiatric Hospital
- The William W Backus Hospital
- The Willough at Naples
- The Wilma Chan Highland Hospital Campus
- The Womans Hospital of Texas
- The Womens Hospital
- The Woodlands Specialty Hospital
- Thibodaux Regional Health System
- Thomas B Finan Center
- Thomas H Boyd Memorial Hospital
- Thomas Health - Saint Francis Hospital
- Thomas Health - Thomas Memorial Hospital
- Thomas Hospital
- Thomas Jefferson University Hospital
- Thomasville Regional Medical Center
- Thorek Memorial Hospital
- Thorek Memorial Hospital Andersonville
- Thousand Oaks Surgical Hospital
- Three Crosses Regional Hospital
- Three Gables Surg & Diag Center
- Three Rivers Behavioral Health
- Three Rivers Health Hospital
- Three Rivers Health Hospital
- Three Rivers Hospital
- Three Rivers Medical Center
- Throckmorton County Hospital
- TidalHealth Nanticoke
- TidalHealth Peninsula Regional
- Tidelands Georgetown Memorial Hospital
- Tidelands Health Rehabilitation Hospital - Little River