45 CFR 162.406
§ 162.406 Standard unique health identifier for health care providers.
United States · 45 CFR — Public Welfare · Status: effective
Cite this
- Citation
- 45 CFR 162.406, § 162.406 Standard unique health identifier for health care providers, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/217998
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Full text
(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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.