NPI
NPI is best known as the unique identifier assigned to health‑care providers in the United States, and it also describes the process of launching new products in business settings.
Medical
Miscellaneous
Neighborhood Prosperity Initiative
National Photonics Initiative
Not Perfect Information
New Path International
Negative Polarity Item
National Provider Identification
Community
Governmental
Non- Public Information
National Power Index
National Park Institute
National Procurement Institute
Newport Psychoanalytic Institute
International
Academic & Science
Computing
Source for DGEN.EXE interpreter (dBASE Application Generator
Numbering Plan Identifier
Not Plugged In
Node Processor Interface