45 CFR 162.412 : Public Welfare (Part 1 To Parts 2557-2599) — (Part 1 To Parts 171-199) — Department Of Health And Human Services (Part 1 To Parts 171-199) — Administrative Data Standards And Related Requirements (§ 160.101 To Parts 165-169) — Administrative Requirements (§ 162.100 To § 162.1902) — Standard Unique Health Identifier For Health Care Providers (§ 162.402 To § 162.414) — Implementation specifications: Health plans.

4 Aug 2016

(a) A health plan must use the NPI of any health care provider (or subpart(s), if applicable) that has been assigned an NPI to identify that health care provider on all standard transactions where that health care provider's identifier is required.

(b) A health plan may not require a health care provider that has been assigned an NPI to obtain an additional NPI.

45 CFR 162.412