FHIR® Server for National Healthcare Directory Resource


Through our joint venture with the Federal Health Architecture and the Office of the National Coordinator for Health IT (ONC) IRIS provided a FHIR® Server for their Healthcare Directory Effort. This project sought to: (1) define the architecture of a proposed national resource of validated healthcare directory data, and (2) develop an HL7 Fast Healthcare Interoperability Resources (FHIR®) Based Implementation Guide, Validated Healthcare Directory (VhDir) Implementation Guide (IG), describing the exchange of information between a national resource of validated healthcare directory data and local environments (e.g. provider organizations, payers, HIEs).

The proposed national resource would include a broad set of provider data that supports a variety of healthcare directory use cases. Data would be validated against primary sources (e.g. state licensing boards for licensure information) and available to local environments through a national exchange standard. Providers would only have to attest to much of their information once for the national resource, rather than for each local environment. The draft VhDir IG has been developed and sent to FHIR for V4 Ballot.

The IRIS® FHIR® team developed the “first iteration” of a FHIR® server that will be used as the foundation for future work. The team has gathered requirements and ireviewed the VhDir IG specification to determine which of the balloted resources could be developed within the specified timeframe.


Program Management,  Project Management


  • Evaluated and recommended the most appropriate FHIR® API server for this project

  • Determined the level of effort for any upgrades to V4 if the previous object is not a V4 implementation.

  • Built resources as expressed in the IG, and implementation of “get” transactions only

  • Developed and provided the initial population of any new data structures that support these implemented resources

  • Identified and recorded issues uncovered in the implementation guide during server development

  • Published source code in an opensource code repository such as GitHub

  • Delivered installation instructions over and above that required for the base product that this development extended

About Us

IRIS Health Solutions has been delivering excellence and value to both commercial and Federal clients since 2006. IRIS has been at the epicenter of health IT transformation in the United States since its inception helping health organizations strategize, manage and build health IT systems and adjunct programs.

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