Technology

Building a reliable OR data layer without replacing your HMIS

Hospitals do not need a rip-and-replace project to build a useful OR data layer. They need a disciplined integration spine.

Arjun Sethi · Founding Engineer · 21 Aug 2025 · 9 min read

Hospital systems integration

The fear of integration is usually a fear of replacement. Hospital teams assume that better operational visibility requires a new core system. It does not.

The integration spine

A useful OR intelligence layer usually starts with schedule feeds, patient readiness markers, procedure metadata, and final case completion events. Add CSSD and billing touchpoints, and the picture becomes operationally rich enough for optimization.

  • HL7 and FHIR for core transactional exchange
  • REST or file-based ingestion for peripheral systems
  • Normalization of surgeon, specialty, and procedure metadata
  • A consistent event model for planned, actual, delayed, and completed milestones

That is why ORS AI is designed as an overlay. Hospitals keep the systems they have. The value comes from making those systems speak the same operational language.

Translate these ideas into live OR change

Book an ORS AI walkthrough and we’ll show how the concepts in this article map to an actual scheduling and governance deployment.

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