- Dardanelle Regional Medical Center
- Dartmouth-Hitchcock Medical Center
- David H. Koch Center for Cancer Care at Memorial Sloan Kettering Cancer Center
- Daviess Community Hospital
- Davis County Hospital
- Davis Medical Center
- Day Kimball Hospital
- Dayton Childrens Hospital
- Dayton General Hospital
- DCH Regional Medical Center
- Deaconess Cross Pointe
- Deaconess Gateway Hospital
- Deaconess Gibson Hospital
- Deaconess Henderson Hospital
- Deaconess Illinois Medical Center
- Deaconess Illinois Union County Hospital
- Deaconess Midtown Hospital
- Deaconess Orthopedic and Neuroscience Hospital
- Deaconess Union County Hospital
- Deborah Heart and Lung Center
- Decatur County Hospital
- Decatur County Memorial Hospital
- Decatur Health
- Decatur Memorial Hospital
- Decatur Morgan Hospital - Decatur Campus
- Decatur Morgan Hospital - Parkway Campus
- Deckerville Community Hospital
- Deer Lodge Medical Center
- Deers Head Hospital Center
- Dekalb Regional Medical Center