- White Mountain Regional Medical Center
- White Plains Hospital
- White River Medical Center
- White Rock Medical Center
- Whitesburg ARH Hospital
- Whitfield Medical Surgical Hospital
- Whitfield Regional Hospital
- Whiting Forensic Hospital
- Whitman Hospital & Medical Clinics
- Whitten Center
- Whittier Hospital Medical Center
- Whittier Rehabilitation Hospital - Bradford
- Whittier Rehabilitation Hospital - Westborough
- Wichita County Health Center
- Wickenburg Community Hospital
- Wilbarger General Hospital
- Wilcox Medical Center
- Wilkes-Barre General Hospital
- Willamette Valley Medical Center
- Willapa Harbor Hospital
- William Bee Ririe Hospital
- William J McCord Adolescent Treatment Facility
- William Newton Hospital
- William P Clements Jr University Hospital
- William R Sharpe Jr Hospital
- William S Hall Psychiatric Institute
- Williamson Medical Center
- Williamson Memorial Hospital
- Willingway Hospital
- Willis-Knighton Medical Center