Public surface / EHR vendor sandboxes

Oracle Health (Cerner) open sandbox

This endpoint declares a solid public surface with minor gaps.

Current grade B

Reachability100

Capability transparency80

Interop readiness62

Observed surface

Base URL: https://fhir-open.cerner.com/r4/ec2458f2-1e24-41c8-b71b-0e701af7583d
Category: EHR vendor sandboxes
Availability: answered 10 of 10 checks so far; availability is reported once 14 observations exist
Vantage agreement: reachable from all 3 vantages, which are 3 hosts on one network (github-actions): one network's view sampled 3 times, not 3 independent networks

Interpretation

A grade describes two public discovery documents at one point in time. It does not inspect patient data, authenticated behavior, or clinical quality.

Read the scoring method →

Findings

Reachability100

Pass: /metadata answers with HTTP 2xx over HTTPS: reachable from all 3 vantages, which are 3 hosts on one network (github-actions): one network's view sampled 3 times, not 3 independent networksR1 Spec ↗
Pass: /metadata responded in 218 ms (median across 3 reachable vantages on one network)R2 Spec ↗

Capability transparency80

Pass: fhirVersion declared: '4.0.1' (expected 4.x)T1 Spec ↗
Needs attention: software name/version missingT2 Spec ↗
Pass: 42 resource types declaredT3 Spec ↗
Pass: 42/42 declared resources document their interactionsT4 Spec ↗

Interop readiness62

Pass: US Core / CARIN / Da Vinci profiles declared in CapabilityStatement.instantiates, rest.resource.supportedProfileI1 Spec ↗
Not observed: no vantage retrieved .well-known/smart-configuration on this run, so whether it is published is unknownI2 Spec ↗
Needs attention: no OAuth security service declaredI3 Spec ↗

Observed since 2026-08-05; no changes to declared capability recorded.

Registry provenance

How this entry was verified

live CapabilityStatement fetch; implementation description 'Oracle Health implementation of FHIR on top of Millennium' (recorded 2026-08-05)

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This is an observational snapshot of a public, unauthenticated surface. It is not an audit, a ranking of care quality, or a statement about anyone's regulatory compliance. See how we grade.