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CMS/ONC patient access API

CMS/ONC patient access developer API documentation

The Arkansas Blue Cross and Blue Shield1 Interoperability API provides third-party app developers access to FHIR based APIs pursuant to the Centers for Medicare & Medicaid Services ("CMS") Interoperability and Patient Access Final Rule (CMS-9115-F).

The Patient Access API will allow developers to retrieve, with the approval and at the direction of an applicable ABCBS member or the member's personal representative, certain data, as applicable, concerning adjudicated claims, encounter data from providers, formulary data, and certain clinical data, if ABCBS maintains any such data.

The Provider Directory API will allow developers to retrieve, as applicable, certain ABCBS provider and pharmacy directory information.

The Developer Sandbox will allow developers to test their application's connection to the APIs without establishing production access to the APIs.

To get started with our FHIR APIs, please send a request to

Please include the following information in your request:
  • Company name
  • Company address
  • Point of contact, including email and phone
  • Short description of intent on how APIs will be used
  • Once we receive the above information, a member of the ABCBS team will be in contact shortly.
  • To learn more about what APIs are available, please view the API Library.
  1. The Arkansas Blue Cross Blue Shield family of affiliates includes USAble Mutual Insurance Company, d/b/a Arkansas Blue Cross and Blue Shield, USAble HMO, Inc., d/b/a Arkansas Blue Medicare, USAble PPO Insurance Company, d/b/a Arkansas Blue Medicare Plus, and HMO Partners, Inc., d/b/a Health Advantage.