National Healthcare Directory Attestation and Verification, published by HL7 Patient Administration Working Group. This is not an authorized publication; it is the continuous build for version 1.0.0-ballot). This version is based on the current content of https://github.com/HL7/fhir-directory-attestation/ and changes regularly. See the Directory of published versions
This captures the base rules for all FHIR implementation in USA. The following versions of the Validated Healthcare Directory Implementation Guide are been published: