- Roane Medical Center
- Robert Wood Johnson University Hospital New Brunswick
- Rochelle Community Hospital
- Rochester General Hospital
- Rochester Psychiatric Center
- Rockcastle Regional Hospital
- Rock County Hospital
- Rockefeller University Hospital
- Rockford Center
- Rockland Childrens Psychiatric Center
- Rockland Psychiatric Center
- Rock Regional Hospital
- Rock Springs
- Rockville General Hospital
- Roger Mills Memorial Hospital
- Rogers Behavioral Health in Brown Deer
- Rogers Behavioral Health in Oconomowoc
- Rogers Behavioral Health in West Allis
- Roger Williams Medical Center
- Rolling Hills Hospital
- Rolling Hills Hospital
- Rolling Plains Memorial Hospital
- Rome Health
- Ronald Reagan UCLA Medical Center
- Rooks County Health Center
- Roosevelt General Hospital
- Roosevelt Medical Center
- Roosevelt Warm Springs Long Term Acute Hospital
- Roosevelt Warm Springs Rehabilitation Hospital
- Roper Rehabilitation Hospital