- PAR
- Participating (plan, hospital, physician, etc.)
- PCP
- Primary Care Physician
- PDR
- Physicians Desk Reference
- PIP
- Personal Injury Protection/Proposal and Installment Process
- POS
- Point-of-Service plans
- PPA
- Preferred Provider Arrangement
- PPN
- Preferred Provider Network
- PPO
- Preferred Provider Organization
- PT
- Physical Therapist