- Billings Clinic Broadwater
- Billings Clinic Hospital
- Bingham Memorial Hospital
- Bitterroot Health - Daly Hospital
- Black Hills Surgical Hospital
- Black River Memorial Hospital
- Blanchard Valley Hospital
- Blank Childrens Hospital
- Bleckley Memorial Hospital
- Blessing Hospital
- Blood Cancer Healing Center
- Bloomington Meadows Hospital
- Bloomington Regional Rehabilitation Hospital
- Blount Memorial Hospital
- Blue Mountain Hospital
- Blue Mountain Hospital District
- Blue Ridge Medical Center
- Blue Ridge Regional Hospital
- BlueRidge Vista Behavioral Health
- Bluestone Child & Adolescent Psychiatric Hospital
- Bluffton Hospital
- Bluffton Regional Medical Center
- Blythedale Childrens Hospital
- BMC Baytown
- BMC Independence Heights Hospital
- BMC North Hospital
- Bob Wilson Memorial Hospital
- Boca Raton Regional Hospital
- Bogalusa Rehabilitation Hospital
- Bolivar Medical Center