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The Role of Intermediaries and the Importance of Real-World Testing in FHIR Data Exchange

FHIR Intermediary Testing: Real-World Transactions and Compliance - Drummond Group

July 3, 2026Drummond Group

Summary

In healthcare data exchange, intermediaries manage transactional functions and data flows between payers and providers. This content discusses common failure patterns observed in live operations and the necessity of testing for regulatory compliance, which cannot be captured by sandbox environments.

Details

Intermediaries occupy a specific role in health data exchange that differs from both payers and providers. They are responsible for managing transactional functions, data flows, and exchange obligations between endpoints. This content focuses on the practical role of intermediaries in FHIR-based data exchange. It discusses common failure patterns observed in production environments and issues difficult to detect through sandbox testing. The text highlights that transaction volumes, edge cases, and upstream data quality issues can cause real-world failures. Furthermore, since regulatory requirements are not static, maintaining compliance requires testing protocols that reflect current demands rather than frameworks built for older versions. It discusses the necessary preparations for organizations seeking operational reliability in live environments.

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