| Wilson Memorial Hospital | Sidney, OH | Acute Care Hospitals | 2 stars |
| Winchester Hospital | Winchester, MA | Acute Care Hospitals | 3 stars |
| Winchester Medical Center | Winchester, VA | Acute Care Hospitals | 4 stars |
| Windham Community Memorial Hospital | Willimantic, CT | Acute Care Hospitals | 3 stars |
| Winner Regional Healthcare Center - CAH | Winner, SD | Critical Access Hospitals | Not rated |
| Winona Health Services | Winona, MN | Acute Care Hospitals | 2 stars |
| Winston Medical Center | Louisville, MS | Acute Care Hospitals | Not rated |
| Winter Haven Hospital | Winter Haven, FL | Acute Care Hospitals | 3 stars |
| Womans Hospital | Baton Rouge, LA | Acute Care Hospitals | 4 stars |
| Women & Infants Hospital of Rhode Island | Providence, RI | Acute Care Hospitals | 4 stars |
| Wood County Hospital | Bowling Green, OH | Acute Care Hospitals | 4 stars |
| Wright Memorial Hospital | Trenton, MO | Critical Access Hospitals | 4 stars |
| Wyandotte Hospital and Medical Center | Wyandotte, MI | Acute Care Hospitals | 2 stars |
| Wyckoff Heights Medical Center | Brooklyn, NY | Acute Care Hospitals | 2 stars |
| Wynn Hospital | Utica, NY | Acute Care Hospitals | 1 star |
| Yakima Valley Memorial | Yakima, WA | Acute Care Hospitals | 1 star |
| Yale-New Haven Hospital | New Haven, CT | Acute Care Hospitals | 5 stars |
| Yavapai Regional Medical Center | Prescott, AZ | Acute Care Hospitals | 2 stars |
| Yoakum Community Hospital | Yoakum, TX | Critical Access Hospitals | 3 stars |
| York General Health Care Services | York, NE | Critical Access Hospitals | 4 stars |
| York Hospital | York, ME | Acute Care Hospitals | 4 stars |
| Yuma Regional Medical Center | Yuma, AZ | Acute Care Hospitals | 2 stars |