# Oracle Health Millennium Platform FHIR R4 API

**Canonical:** https://apis.io/apis/cerner/oracle-health-millennium-fhir-r4-api/  
**Provider:** Oracle Health (Cerner) — https://apis.io/providers/cerner/  
**Base URL:** https://fhir-ehr.cerner.com/r4/{tenant}  
**Documentation:** https://docs.oracle.com/en/industries/health/millennium-platform-apis/mfrap/index.html

Oracle Health Millennium Platform FHIR R4 API is one of 13 APIs that [Oracle Health (Cerner)](https://apis.io/providers/cerner/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include FHIR, R4, US Core, USCDI, and SMART on FHIR. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

The full HL7 FHIR R4 REST surface of Oracle Health Millennium — 44 resource types, 123 operations, derived operation-for-operation from the CapabilityStatement Oracle Health serves at /metadata and the SMART discovery document it serves at /.well-known/smart-configuration. Multi-tenant: the tenant id is a required path segment of the service root. Read on 42 resource types, search on 37, create on 19, patch on 8, update on 7, delete on 1, plus system-level batch and six named FHIR operations.

## Machine-readable artifacts (14)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/openapi/cerner-millennium-fhir-r4-openapi.yml
- **Documentation** — https://docs.oracle.com/en/industries/health/millennium-platform-apis/mfrap/index.html
- **APIReference** — https://docs.oracle.com/en/industries/health/millennium-platform-apis/mfrap/r4_overview.html
- **DeveloperPortal** — https://www.oracle.com/health/developer/
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/sandbox/cerner-sandbox.yml
- **OAuthScopes** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/scopes/cerner-scopes.yml
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/conformance/cerner-conformance.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/data-model/cerner-data-model.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/overlays/cerner-millennium-fhir-r4-overlay.yaml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/apis.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/arazzo/_index.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/arazzo/cerner-clinical-resource-write-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/arazzo/cerner-conformance-discovery-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/cerner/refs/heads/main/arazzo/cerner-smart-on-fhir-patient-data-retrieval-workflow.yml

## Other Oracle Health (Cerner) APIs (12)

- [Oracle Health Millennium FHIR DSTU2 API](https://apis.io/apis/cerner/oracle-health-fhir-dstu2-api/)
- [Oracle Health Code Console (Developer Portal)](https://apis.io/apis/cerner/oracle-health-code-console/)
- [Oracle Health Millennium Bulk FHIR API](https://apis.io/apis/cerner/oracle-health-bulk-fhir-api/)
- [Cerner CareAware Integration APIs](https://apis.io/apis/cerner/cerner-careaware/)
- [Oracle Health SMART on FHIR App Launch](https://apis.io/apis/cerner/oracle-health-smart-on-fhir/)
- [Cerner (Oracle Health) Capability API](https://apis.io/apis/cerner/cerner-capability-api/)
- [Cerner (Oracle Health) Condition API](https://apis.io/apis/cerner/cerner-condition-api/)
- [Cerner (Oracle Health) Definitions API](https://apis.io/apis/cerner/cerner-definitions-api/)
- [Cerner (Oracle Health) Encounter API](https://apis.io/apis/cerner/cerner-encounter-api/)
- [Cerner (Oracle Health) Generic API](https://apis.io/apis/cerner/cerner-generic-api/)
- [Cerner (Oracle Health) Patient API](https://apis.io/apis/cerner/cerner-patient-api/)
- [Cerner (Oracle Health) Procedure API](https://apis.io/apis/cerner/cerner-procedure-api/)

## Tags

FHIR, R4, US Core, USCDI, SMART on FHIR, Patient Access, CMS Interoperability

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cerner/oracle-health-millennium-fhir-r4-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cerner/.