Effective FHIR Implementation Guides (IGs), reference servers, and self-testing tools are vital initial stages for health data exchange interoperability, but they fall short in guaranteeing real-world FHIR server interoperability. To address this gap, Drummond is developing innovative initiatives, aiming to establish automated full-matrix FHIR interoperability testing that doesn't demand substantial dedicated resources, advancing the goal of seamless FHIR interoperability. Speaker: Timothy Bennett, Director Strategic Healthcare Initiatives @ Drummond Group