| Bluffton Hospital | Bluffton, OH | Critical Access Hospitals | Not rated |
| Blythedale Children's Hospital | Valhalla, NY | Childrens | Not rated |
| Bmh-Calhoun | Calhoun City, MS | Critical Access Hospitals | Not rated |
| Bmh-Golden Triangle | Columbus, MS | Acute Care Hospitals | 3 stars |
| Boca Raton Regional Hospital | Boca Raton, FL | Acute Care Hospitals | 2 stars |
| Bon Secours Community Hospital | Port Jervis, NY | Acute Care Hospitals | 2 stars |
| Bon Secours Harbour View Medical Center | Suffolk, VA | Acute Care Hospitals | Not rated |
| Bon Secours Maryview Medical Center | Portsmouth, VA | Acute Care Hospitals | 3 stars |
| Bon Secours Richmond Community Hospital | Richmond, VA | Acute Care Hospitals | Not rated |
| Bon Secours Southampton Memorial Hospital | Franklin, VA | Acute Care Hospitals | 3 stars |
| Bon Secours St Marys Hospital | Richmond, VA | Acute Care Hospitals | 5 stars |
| Bon Secours-St Francis Xavier Hospital | Charleston, SC | Acute Care Hospitals | 3 stars |
| Bonner General Hospital | Sandpoint, ID | Critical Access Hospitals | 2 stars |
| Boston Children's Hospital | Boston, MA | Childrens | Not rated |
| Boston Medical Center | Boston, MA | Acute Care Hospitals | 3 stars |
| Boulder City Hospital | Boulder City, NV | Critical Access Hospitals | Not rated |
| Boulder Community Health | Boulder, CO | Acute Care Hospitals | 4 stars |
| Boys Town National Research Hospital | Boys Town, NE | Childrens | Not rated |
| Bozeman Health Big Sky Medical Center | Big Sky, MT | Critical Access Hospitals | Not rated |
| Bozeman Health Deaconess Hospital | Bozeman, MT | Acute Care Hospitals | 4 stars |
| Bradley County Medical Center | Warren, AR | Critical Access Hospitals | Not rated |
| Brattleboro Memorial Hospital | Brattleboro, VT | Acute Care Hospitals | 3 stars |
| Brattleboro Retreat | Brattleboro, VT | Psychiatric | Not rated |
| Braxton County Memorial Hospital, Inc | Gassaway, WV | Critical Access Hospitals | Not rated |
| Brentwood Meadows LLC | Newburgh, IN | Psychiatric | Not rated |
| Bridgeport Hospital | Bridgeport, CT | Acute Care Hospitals | 4 stars |
| Bridgton Hospital | Bridgton, ME | Critical Access Hospitals | 3 stars |
| Brigham and Women Faulkner Hospital | Jamaica Plain, MA | Acute Care Hospitals | 5 stars |
| Brigham and Women's Hospital | Boston, MA | Acute Care Hospitals | 5 stars |
| Bristol Bay DBA Kanakanak Hospital | Dillingham, AK | Critical Access Hospitals | Not rated |
| Bristol Hospital | Bristol, CT | Acute Care Hospitals | 2 stars |
| Brodstone Healthcare | Superior, NE | Critical Access Hospitals | 4 stars |
| Bronson Lakeview Hospital | Paw Paw, MI | Critical Access Hospitals | 5 stars |
| Bronson Methodist Hospital | Kalamazoo, MI | Acute Care Hospitals | 4 stars |
| Bronxcare Hospital Center | Bronx, NY | Acute Care Hospitals | 1 star |
| Brook Lane Health Services | Hagerstown, MD | Psychiatric | Not rated |
| Brookdale Hospital Medical Center | Brooklyn, NY | Acute Care Hospitals | 1 star |
| Brooke Glen Behavioral Hospital | Fort Washington, PA | Psychiatric | Not rated |
| Brooks-Tlc Hospital System, Inc | Dunkirk, NY | Acute Care Hospitals | 1 star |
| Bryan Medical Center | Lincoln, NE | Acute Care Hospitals | 3 stars |
| Bryn Mawr Hospital | Bryn Mawr, PA | Acute Care Hospitals | 5 stars |
| Buchanan General Hospital | Grundy, VA | Acute Care Hospitals | 4 stars |
| Bucktail Medical Center | Renovo, PA | Critical Access Hospitals | Not rated |
| Burgess Health Center | Onawa, IA | Critical Access Hospitals | 3 stars |
| Burleson St Joseph Health Center | Caldwell, TX | Critical Access Hospitals | Not rated |
| Burnett Medical Center | Grantsburg, WI | Critical Access Hospitals | Not rated |
| Butler Hospital | Providence, RI | Psychiatric | Not rated |
| Cabell Huntington Hospital, Inc | Huntington, WV | Acute Care Hospitals | 3 stars |
| Cabinet Peaks Medical Center | Libby, MT | Critical Access Hospitals | 2 stars |
| Calais Community Hospital | Calais, ME | Critical Access Hospitals | Not rated |