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Per Square Metre

Per Square Metre

Payer-side FHIR architecture: Da Vinci IG adoption, analytics stacks, and payer platform engineering notes.

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  • Master patient index
Editorial illustration in bauhaus-grid style depicting a resolver with per-target circuit breakers, timeouts, and a partial-results surface
    • Reference Resolver

Designing a Reference Resolver That Survives Partial Outages

A reference resolver that assumes every target is reachable is a resolver that fails the first time a downstream server…

Jacob Berkowitz July 15, 2026
Editorial illustration in bauhaus-grid style depicting Bulk Data ndjson files fanning into a unified reference index with REST fallbacks
    • Reference Resolver

Reference Resolution in Bulk Data: What the Spec Allows

Bulk Data delivers ndjson files that carry FHIR resources by the thousand. References between resources in those files cross ndjson…

Jacob Berkowitz July 15, 2026
Editorial illustration in bauhaus-grid style depicting references grouped by target server flowing into a batch Bundle GET pattern
    • Reference Resolver

Batching Resolution to Reduce Round Trips

A resolver that issues one GET per external reference is a resolver that will hit the network more than any…

Jacob Berkowitz July 14, 2026
Editorial illustration in bauhaus-grid style depicting a resolver with per-target circuit breakers, timeouts, and a partial-results surface
    • Reference Resolver

Designing a Reference Resolver That Survives Partial Outages

Jacob Berkowitz July 15, 2026
Editorial illustration in bauhaus-grid style depicting Bulk Data ndjson files fanning into a unified reference index with REST fallbacks
    • Reference Resolver

Reference Resolution in Bulk Data: What the Spec Allows

Jacob Berkowitz July 15, 2026
Editorial illustration in bauhaus-grid style depicting references grouped by target server flowing into a batch Bundle GET pattern
    • Reference Resolver

Batching Resolution to Reduce Round Trips

Jacob Berkowitz July 14, 2026
Editorial illustration in bauhaus-grid style depicting a reference graph with a detected cycle intercepted by a visited-set
    • Reference Resolver

Circular References and How to Detect Them Safely

Jacob Berkowitz July 14, 2026
Top 5 Connectathon Results That Inform Da Vinci Vendor Selection

Top 5 Connectathon Results That Inform Da Vinci Vendor Selection

HL7 Connectathon events bring vendors together to test their Da Vinci IG implementations against each other in realistic integration scenarios.…

Top 5 Cloud-Native FHIR Hosting Options for US Health Payers

Top 5 Cloud-Native FHIR Hosting Options for US Health Payers

Cloud-native FHIR hosting reduces operational burden substantially for health plans that do not have strong on-premise infrastructure or specific data-residency…

Top 5 Claims Analytics Modernization Patterns Using FHIR

Top 5 Claims Analytics Modernization Patterns Using FHIR

Claims analytics at US health payers has decades of accumulated infrastructure. Data warehouses built years ago. Custom claim line fact…

The Complete Guide to the Da Vinci Ecosystem for CMS-0057-F

The Complete Guide to the Da Vinci Ecosystem for CMS-0057-F

The HL7 Da Vinci Project produces the FHIR Implementation Guides that CMS-0057-F relies on. The ecosystem covers Coverage Requirements Discovery,…

The Complete Guide to Payer Analytics and AI on FHIR Data in 2026

The Complete Guide to Payer Analytics and AI on FHIR Data in 2026

CMS-0057-F compliance produces a FHIR data store. The question for US health payers in 2026 is what that data store…

The Complete Guide to FHIR Platform Architecture for CMS-0057-F

The Complete Guide to FHIR Platform Architecture for CMS-0057-F

FHIR platform architecture is the part of CMS-0057-F that gets less attention than the API endpoints but determines more of…

STU 2.0.0 vs STU 2.0.1: How Da Vinci IG Versions Differ in Production

STU 2.0.0 vs STU 2.0.1: How Da Vinci IG Versions Differ in Production

Da Vinci IG versioning looks subtle on the surface. STU 2.0.0 versus STU 2.0.1 sounds like a minor patch. In…

FHIR-Native vs Compliance Gateway: Architectural Trade-Offs for CMS-0057-F

FHIR-Native vs Compliance Gateway: Architectural Trade-Offs for CMS-0057-F

The architectural choice between a FHIR-native stack and a compliance gateway determines what the CMS-0057-F investment becomes three years from…

FHIR Data Lake vs Claims Data Warehouse for Payer Analytics

FHIR Data Lake vs Claims Data Warehouse for Payer Analytics

The analytics architecture decision for US health payers in 2026 is increasingly framed as FHIR data lake versus claims data…

Databricks Lakebase vs Snowflake for FHIR-Driven Payer Analytics

Databricks Lakebase vs Snowflake for FHIR-Driven Payer Analytics

Databricks Lakebase and Snowflake are the two cloud data platforms most often shortlisted by US health payers building FHIR-driven analytics…

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Fixing broken refs?

Fixing broken refs?

Debugging a Bundle full of broken references? a Bundle reference walker parked here will find the culprits.

Recent Posts

  • Designing a Reference Resolver That Survives Partial Outages
  • Reference Resolution in Bulk Data: What the Spec Allows
  • Batching Resolution to Reduce Round Trips
  • Circular References and How to Detect Them Safely
  • Version-Specific References: When You Need Them, When You Don't

Categories

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  • Fhir Platform Architecture
  • Master patient index
  • Medical form builder
  • Payer Side Analytics Ai
  • Reference Resolver
  • Terminology server

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