CFR > Title 45 - Public Welfare > SUBTITLE A—DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER C—ADMINISTRATIVE DATA STANDARDS AND RELATED REQUIREMENTS (parts 160 to 165) > PART 162—ADMINISTRATIVE REQUIREMENTS > SUBPART D—Standard Unique Health Identifier for Health Care Providers (§162.402 to §162.414) > 162.406—Standard unique health identifier for health care providers.

162.406—Standard unique health identifier for health care providers.

(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.