- Ochsner St Mary
- Ochsner University Hospital & Clinics
- Omega Hospital
- Opelousas General Health System - Main Campus
- Our Lady of Lourdes Heart Hospital
- Our Lady of Lourdes Regional Medical Center
- Our Lady of Lourdes Womens and Childrens Hospital
- Our Lady of the Angels Hospital
- Our Lady of the Lake Childrens Hospital
- Our Lady of the Lake Regional Medical Center
- Our Lady of the Lake St Elizabeth
- Our Lady of the Lake Surgical Hospital
- Paces/Bunkie General Hospital
- PAM Health Specialty and Rehabilitation Hospital of Covington
- PAM Health Specialty and Rehabilitation Hospital of New Orleans
- PAM Health Specialty Hospital of Hammond
- PAM Health Specialty Hospital of Shreveport
- Park Place Surgical Hospital
- Pathway Rehab Hospital of Bossier
- Perimeter Behavioral Hospital of New Orleans
- Physicians Behavioral Hospital
- Physicians Medical Center
- Pointe Coupee General Hospital
- Prevost Memorial Hospital
- Rapides Regional Medical Center
- Rapides Womens and Childrens Hospital
- Red River Behavioral Center
- Reeves Memorial Medical Center
- Regions Behavioral Hospital
- Rehabilitation Hospital of Jennings