| Abbreviation | Definition |
|---|---|
| NOPP | Notice Of Privacy Practices |
| NORMASH | Norwegian Mobile Army Surgical Hospital |
| NOS | Neonatal Opium Solution |
| NOS | Not Otherwise Specified - other eating disorder, inappropriate diet, binge eating |
| NPFD | Near Patient FNA Diagnosis |
| NPHHI | National Public Health and Hospital Institute |
| NPHI | National Public Health Institute (Finland) |
| NPHI | North Penn Hernia Institute |
| NPO | Nil Per Os (Nothing By Mouth) |
| NPO | Nothing By Mouth (nulla per os) |
| NPP | Non-Physician Provider (Hospital) |
| NPR | Norwegian Patient Registry |
| NPS | Nasopharynx Swab |
| NRAH | new Royal Adelaide Hospital |
| NRB | No Reaction Baby |
| NREMT | National Registry of Emergency Medical Technicians |
| NRH | National Rehabilitation Hospital |
| NRH | National Rehabilitation Hospital, Washington D.C. |
| NRH | Northeast Rehabilitation Hospital |
| NRHP | Nevada Rural Hospital Partners |