The NPI is a 10-position, intelligence-free numeric identifier (10-digit number). Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA.
The NPI is a unique identification number for covered health care providers. The National Provider Identifier (NPI) is a Health Insurance Portability and Accountability Act (HIPAA) Administrative Simplification Standard.
