Interoperability Proving Ground (IPG) submissions within the ONC Tech Lab are submitted by healthcare, technology and development organizations that are invested in Health IT and Interoperability and want to share, learn and collaborate with similar stakeholders in the US, and around the world.

To view all submissions, please view the IPG link located within the ONC Techlab.

California Directory Services

Directory Services is a critical component of California’s strategy for statewide health information sharing among community HIEs, health systems and enterprise HIEs, and HIE service providers. In August 2016, CAHIE began development of an electronic services registry as part of Directory Services conforming to the emerging RESTful FHIR STU 3 specifications for Organization, Location, and Endpoint resources to support the Patient Unified Lookup System for Emergencies (PULSE) project. This registry will allow PULSE, as well as other qualified systems, to retrieve information about organizations, facilities, their relationships, and the means by which to exchange information with them electronically.
Start Date
Projected End Date
Project Tags
  • FHIR
  • healthcare directory
  • HIE
  • interoperability
  • provider directory
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Project Results