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BlockInterop

Service

EHR and Epic Integration

We build EHR integration patterns that scale beyond a single pilot, from app launch to enterprise-wide deployment.

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What we deliver

  • Integration pattern selection and target-state design
  • App orchestration, launch, and context-passing workflows
  • Data exchange and write-back approaches
  • Security, scope, and access review preparation
  • Multi-site deployment and support planning

Outcomes you can expect

Integration models that repeat across customers and sites
Workflows clinicians will actually use
Reduced friction during enterprise review cycles

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Answers

Questions We Get About This Work

Direct answers, written to stand on their own.

How does an application integrate with Epic or another EHR?

Most modern EHR integrations use SMART on FHIR to launch an application inside the EHR with clinical context and scoped authorization, supported by FHIR reads and writes and, where needed, HL7 v2 interfaces. The technical work is usually the smaller half: the integration must also pass the health system's security and architecture review, fit an existing clinical workflow, and be packaged so it can be deployed again at the next site without a custom build.

  • Choose the launch pattern, scopes, and context passing that match the clinical workflow.
  • Decide where FHIR reads, write-back, and HL7 v2 interfaces each belong.
  • Prepare security, privacy, and architecture review documentation early.
  • Productize the integration so onboarding a new health system is repeatable.
EHR and Epic IntegrationFHIR and API Implementation

What is healthcare interoperability?

Healthcare interoperability is the ability of different health IT systems to exchange data and use it in a shared, meaningful way. In practice it combines data standards such as HL7 v2 and FHIR, secure APIs and network participation, governance and consent rules, and workflow design so the data arrives where a clinician, member service representative, or research coordinator can act on it.

  • Standards layer: HL7 v2 messaging, FHIR resources and profiles such as US Core, and document exchange.
  • Transport layer: APIs, interface engines, and network participation such as TEFCA and QHIN connectivity.
  • Governance layer: identity, consent, exchange purpose, data stewardship, and audit.
  • Workflow layer: getting the right data into the screen and moment where a decision is made.
FHIR and API ImplementationInteroperability Strategy and Advisory

What is the difference between FHIR and HL7 v2?

HL7 v2 is a message-based standard that pushes events such as admissions, orders, and results between systems over interface engines. FHIR is a resource-based standard that exposes data through RESTful APIs so applications can request exactly what they need. Most organizations run both: HL7 v2 continues to carry high-volume clinical event traffic while FHIR supports apps, partner APIs, and regulatory requirements.

  • HL7 v2 strengths: mature, event-driven, high throughput, deeply embedded in existing clinical operations.
  • FHIR strengths: API access, granular queries, app launch through SMART on FHIR, and regulatory alignment.
  • The decision depends on workflow, latency, partner capability, and who will operate the integration.
  • Migration is usually incremental, with FHIR added alongside existing v2 interfaces rather than replacing them.
HL7 Interface DevelopmentFHIR and API Implementation

Not Sure Where to Start?

Schedule a focused conversation to identify your interoperability priorities, risks, dependencies, and most practical next steps.

Talk With an Interoperability Expert
Book an Interoperability Strategy Call

Ready to Move Interoperability Forward?

Whether you are preparing for new CMS requirements, modernizing healthcare integrations, connecting to a QHIN, or building a FHIR-enabled product, BlockInterop can help you define the right path and execute it.

Book an Interoperability Strategy CallContact BlockInterop

Tell us about your organization, current challenge, timeline, and desired outcome.