Skip to content
Per Square Metre

Per Square Metre

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

  • Terminology server
  • Medical form builder
  • 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
Da Vinci CRD vs PDex: Which IG Drives Which Workflow

Da Vinci CRD vs PDex: Which IG Drives Which Workflow

Coverage Requirements Discovery (CRD) and Payer Data Exchange (PDex) are two Da Vinci IGs that sometimes get confused in early…

Cloud-Hosted vs Self-Hosted FHIR Platforms for CMS-0057-F

Cloud-Hosted vs Self-Hosted FHIR Platforms for CMS-0057-F

The deployment model for the CMS-0057-F FHIR platform is one of the choices that gets less attention than vendor selection…

Best Tools for Validating Da Vinci PAS Submissions Pre-Production

Best Tools for Validating Da Vinci PAS Submissions Pre-Production

Da Vinci PAS submissions are FHIR Bundles with specific structural requirements: the right profiles, the right resource relationships, the right…

Best On-Premise FHIR Platforms for Regulated Payer Deployments

Best On-Premise FHIR Platforms for Regulated Payer Deployments

On-premise FHIR hosting remains relevant for US health payers with specific regulatory, data-residency, or operational requirements that cloud-native managed services…

Best Multi-Tenant FHIR Hosting Models for Payer Workloads in 2026

Best Multi-Tenant FHIR Hosting Models for Payer Workloads in 2026

Multi-tenant FHIR hosting matters for any health plan that supports multiple lines of business, multiple delegated entities, or multiple regulatory…

Best FHIR Profile Development Tools for Da Vinci IG Authoring

Best FHIR Profile Development Tools for Da Vinci IG Authoring

Most payers do not author Da Vinci IGs directly. They consume the IGs HL7 publishes and customize at the profile…

Best FHIR Analytics Platforms for HEDIS Measure Computation

Best FHIR Analytics Platforms for HEDIS Measure Computation

HEDIS measure computation has been an annual ritual for US health plans for decades. The measures evolve, the data sources…

Best Care Management Platforms Built on FHIR Data Stores

Best Care Management Platforms Built on FHIR Data Stores

Care management platforms identify members who need intervention, prioritize them, and coordinate the outreach. Historically these platforms ran on care-management-specific…

5 Patterns for Using FHIR Data to Train Payer LLM Applications

5 Patterns for Using FHIR Data to Train Payer LLM Applications

LLM applications at US health payers are growing in 2026. Care management note summarization. Prior auth narrative generation. Member service…

5 FHIR Storage Anti-Patterns That Hurt CMS-0057-F Performance

5 FHIR Storage Anti-Patterns That Hurt CMS-0057-F Performance

FHIR storage design has predictable failure modes that surface under production CMS-0057-F load. The anti-patterns below produce systems that pass…

Posts navigation

Older posts
Newer posts

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

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

Links

Transform healthcare with our cutting-edge FHIR platform, enabling seamless data integration and innovative medical solutions.

Copyright © 2025