Interoperability Patient Access API Admin v1

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As part of the CMS Interoperability and Patient Access final rule (CMS-9115-F), members must have access to view financial, clinical, directory and formulary information. The two APIs in this Admin category are necessary to understand the interaction of the APIs, as well as to retrieve member-specific information.

The Who Am I API is necessary to first understand logged-in users and their relationship to a dependent's information retrieved by any API. This API is also included in each of the other categories. It is not a FHIR API but is specific to Change Healthcare's implementation, according to the Capability Statement API, because querying on universal identifiers is not allowed.

APIs in this category follow the FHIR Specifications v4.0.1: R4 found at