Cancer Organizations: P
- Prospect Therapeutics, Incorporated
- Prosper-Hospital Recklinghausen
- Prostate Cancer Foundation
- Prostate Cancer Institute
- Prostate Cancer Research Foundation of Canada
- Prostate Centre at Vancouver General Hospital
- Prostate Disease Center
- Prostate Oncology Specialists
- Prostate Seed Institute
- Prostate Solutions of Arizona
- Protarga Incorporated
- Protein Design Labs, Incorporated
- Protein Design Labs, Incorporated
- Protein Design Labs, Incorporated
- ProteoSys AG
- Proteolix
- Protherics PLC
- Proton Radiation Oncology Group
- Protox Therapeutics, Incorporated
- Provectus Pharmaceuticals, Incorporated
- Provena Covenant Medical Center-Urbana Campus
- Provena Mercy Medical Center
- Provena Saint Joseph Medical Center
- Provena St. Mary's Regional Cancer Center - Bourbonnais
- Provena St. Mary's Regional Cancer Center - Kankakee
- Providence Cancer Center
- Providence Cancer Center at Holy Family Hospital
- Providence Cancer Center at PMCC
- Providence Cancer Center at Providence Hospital
- Providence Cancer Center at Providence Portland Medical Center
- Providence Cancer Center at Sacred Heart Medical Center
- Providence Cancer Institute at Assarian Cancer Center
- Providence Cancer Institute at Providence Everett Medical Center - Colby Campus
- Providence Cancer Institute at Providence Everett Medical Center - Pacific Campus
- Providence Cancer Institute at Providence Hospital - Southfield Campus
- Providence Care Center
- Providence Centralia Hospital
- Providence Health Center
- Providence Holy Cross Cancer Center
- Providence Hospital
- Providence Hospital
- Providence Hospital - Southfield
- Providence Hospital Women's Center
- Providence Kodiak Island Medical Center
- Providence Medical Center
- Providence Medical Group
- Providence Memorial Hospital
- Providence Milwaukie Hospital
- Providence Regional Cancer Partnership
- Providence Saint Joseph Medical Center - Burbank
- Providence St. Peter Hospital Regional Cancer Center
- Providence St. Vincent Medical Center
- Provita 2000 SRL
- Proyecto Epidemiologico Guanacaste
- Psicofarma
- Psiron Limited
- Public Shiso General Hospital
- Public Treatment and Prevention Institution Mariupol City Interdistrict Oncology Center
- Pueblo Radiation Oncology, PC
- Puerto Rico Cancer Center at University of Puerto Rico - Medical Sciences Campus
- Puerto Rico POG
- Puget Sound Blood Center
- Puget Sound Cancer Centers - Edmonds
- Puget Sound Cancer Centers - Seattle
- Puget Sound Institute of Pathology
- Puget Sound Oncology Consortium at Fred Hutchinson Cancer Research Center
- Pulau Pinang Hospital
- Pulmonary Medicine of Dayton, Incorporated
- Pulmonology Institute of Veszprem County
- Purchase Cancer Group - Paducah
- Purdue University Cancer Center
- Pusan National University Hospital
- Putnam County Hospital
- Pyatigorsk Oncology Center
- pSiOncology Limited
- pSivida Limited
