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Our experts have a deep understanding of FHIR, and here you will find the most relevant articles

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May 22, 2026
15 min read
Designing $unmerge: Reversing the FHIR Patient Merge

FHIR has no $unmerge operation. We built one that reverses a merge using Provenance + History API and lets the client decide what to do with data added between the merge and unmerge.

May 12, 2026
3 min read
Thousands of Duplicate Records in the NPI Registry

We analyzed 7 million records in the NPI Registry and found thousands of providers with multiple NPIs. Explore the duplicates yourself with our interactive tool.

Apr 14, 2026
7 min read
Duplicate Patient Records in Healthcare Analytics

How duplicate patient records silently corrupt healthcare analytics — inflating population metrics, fragmenting clinical histories, skewing cohort construction, and biasing ML models — and why identity resolution upstream is the structural fix.

Several authors

2 authors

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