| Whittier Hospital Medical Center | Whittier, CA | Acute Care Hospitals | 4 stars |
| Whittier Pavilion | Haverhill, MA | Psychiatric | Not rated |
| Wilkes-Barre General Hospital | Wilkes-Barre, PA | Acute Care Hospitals | 2 stars |
| Willow Rock Center | San Leandro, CA | Psychiatric | Not rated |
| Wilson N Jones Regional Medical Center | Sherman, TX | Acute Care Hospitals | 2 stars |
| Windmoor Healthcare of Clearwater | Clearwater, FL | Psychiatric | Not rated |
| Windsor Laurelwood Center for Behavorial Medicine | Willoughby, OH | Psychiatric | Not rated |
| Winn Parish Medical Center | Winnfield, LA | Acute Care Hospitals | Not rated |
| Womans Hospital of Texas,the | Houston, TX | Acute Care Hospitals | 4 stars |
| Woodland Heights Medical Center | Lufkin, TX | Acute Care Hospitals | 3 stars |
| Woodland Springs | Conroe, TX | Psychiatric | Not rated |
| Wyoming Behavioral Institute | Casper, WY | Psychiatric | Not rated |
| Wythe County Community Hospital | Wytheville, VA | Acute Care Hospitals | 3 stars |