- (a) Standard. The standard unique health identifier for health care providers is the National Provider Identifier (NPI). The NPI is a 10-position numeric identifier, with a check digit in the 10th position, and no intelligence about the health care provider in the number.
(b) Required and permitted uses for the NPI.
- (1) The NPI must be used as stated in §§ 162.410, 162.412, and 162.414.
- (2) The NPI may be used for any other lawful purpose.