There are multiple definitions:

1. neuropsychiatric inventory(English)

   • FAST, GDS, MMSE, SIB
   • Psychiatry

2. non-pharmaceutical intervention(English)

   • Therapeutic approaches

3. near-infrared perfusion index(English)

   • HSI, THI, TWI
   • Hemodynamics, Monitoring
   • https://doi.org…741-021-00211-6

4. National Provider Identifier [Standard](English)

   • a Health Insurance Portability and Accountability Act Administrative Simplification Standard. The NPI is a unique identification number for covered health care providers
   • HIPAA
   • Health care
   • https://www.cms…lProvIdentStand