From Patient Matching to Mastery: The Evolution of Identity Management in the FHIR Era
How to Move from Patient Matching to Patient Mastery | ICF
Summary
This article argues for the critical importance of 'patient mastering'—building and maintaining a trusted, authoritative identity view—which goes beyond simple record matching. In data-driven healthcare systems, accurate patient ID is a prerequisite for clinical reasoning and quality measurement.
Details
The text examines the challenge of patient identity in the era of FHIR-enabled interoperability. It argues that traditional 'patient matching,' which involves probabilistic linking based on attributes like name or DOB, is insufficient. The true requirement is 'patient mastering,' which aims to establish a trusted, authoritative view by continuously reconciling duplicate records, overlays, splits, and merges. The author emphasizes that advanced functions like Clinical Decision Support (CDS) and digital quality measurement rely entirely on the identity context—knowing exactly which patient's data is being viewed. If a patient's history is fragmented or incorrectly overlaid across multiple records, the system risks missing critical contraindications or providing incorrect recommendations. Therefore, managing patient IDs must be treated not merely as a back-office technical problem but as an integral part of the 'clinical reasoning' infrastructure itself. For learning health systems to function and for safe decision-making to occur, reliable assembly of person-level records is essential.
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