EHR Interoperability
A single, vendor-agnostic layer built on HL7 FHIR R4 and the SMART-on-FHIR authorization pattern. Connections are per-tenant configuration — onboarding a new institution is configuration, not development. Build and test against vendor sandboxes (synthetic data, no patient-data agreement), read-only first.
Epic (Epic on FHIR / App Orchard)
Register the app in the Epic on FHIR portal; use the sandbox before go-live.
Sandbox: https://fhir.epic.com/interconnect-fhir-oauth/api/FHIR/R4
Vendor docs ↗Oracle Health / Cerner (Code Console)
Provision credentials in the Cerner Code Console; open + authenticated sandboxes available.
Sandbox: https://fhir-open.cerner.com/r4/ec2458f2-1e24-41c8-b71b-0e701af7583d
Vendor docs ↗MEDITECH (Greenfield FHIR)
MEDITECH Greenfield developer program provides R4 sandboxes.
Sandbox: https://fhir.meditech.com/v1/fhir/R4
Vendor docs ↗athenahealth (More Disruption Please)
Use the athenahealth preview/sandbox tenant during integration.
Sandbox: https://api.preview.platform.athenahealth.com/fhir/r4
Vendor docs ↗Allscripts / Veradigm (FHIR)
Register via the Veradigm/Allscripts developer portal for sandbox access.
Sandbox: https://scmfhir.allscripts.com/fhir/r4
Vendor docs ↗Generic FHIR R4 server
Any standards-compliant FHIR R4 server (e.g. public HAPI test server).
Sandbox: https://hapi.fhir.org/baseR4
Vendor docs ↗