| Abbreviation | Definition |
|---|---|
| PPL | Protein Power Lifeplan |
| PPLO | Pleuropneumonia-like Organisms |
| PPM | Permanent PaceMaker |
| PPMS | Primary Progressive Multiple Sclerosis |
| PPN | PANDAS Physicians Network |
| PPN | Patient Physician Network |
| PPN | Pharmacology Physiology and Neuroscience |
| PPN | Pharmacology Physiology Neuroscience |
| PPND | Positive Psychology News Daily |
| PPOA | Physician Partners of America |
| PPP | Platelet Poor Plasma |
| PPRB | Physician Payment Review Board |
| PPRC | Physician Practice Resource Center |
| PPS | Paradoxical Parasympathetic Syndrome |
| PPS | Post Polio Syndrome |
| PPS | Preferred Provider Services |
| PPS | Purely Panic Stricken |
| PPTN | Nucleus Tegmentalis Pedunculopontinus |
| PPTP | Patient Physician Trust Partnership |
| PPV | Pars Plana Vitrectomy |