45 C.F.R. § 162.412 Implementation specifications: Health plans.
Title 45 - Public Welfare
(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.
Title 45: Public Welfare
PART 162—ADMINISTRATIVE REQUIREMENTS
Subpart D—Standard Unique Health Identifier for Health Care Providers
§ 162.412 Implementation specifications: Health plans.
