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National Networks

National interoperability frameworks define how health data is exchanged across organizations. Carequality, CommonWell, eHealth Exchange, and TEFCA each apply distinct models for trust, routing, and record retrieval that influence how Health Gorilla connects and retrieves clinical data.

Network Comparison

Compare routing logic, authentication methods, patient matching approaches, and implementation constraints across Carequality, CommonWell, eHealth Exchange, and TEFCA.

Carequality

Review Carequality’s provider-initiated exchange model, which uses SAML assertions, directory metadata, and delegated trust through Implementer relationships.

CommonWell

Understand CommonWell’s centralized identity linking and service discovery model, which supports automated document retrieval between pre-matched patients.

eHealth Exchange

Explore the eHealth Exchange’s IHE-based document query and retrieval protocols (XCA and XDS) that connect regional HIEs, health systems, and federal agencies.

TEFCA QHIN

Learn how Health Gorilla operates as a designated QHIN under TEFCA, enabling nationwide exchange through RLS-based query routing and QHIO delegation.