APIs for Developers
The Interoperability and Patient Access rule (CMS-0115-F) defines requirements for free and secure data flow that allows patients access to their health information. Working with our partners, Contra Costa Health has created service endpoints to meet these requirements through the Patient Access API and Provider Directory API described below.
| Data Type |
FIHR Base URL | API Documentation |
| Clinical Data, Medical Claims | https://icproxy.mycclink.org/proxy-FHIR/api/FHIR/R4/metadata | https://fhir.epic.com/ (ExplanationOfBenefits.Search & ExplanationOfBenefits.Read) |
Patient Access API
The Patient Access API is an HL7 FHIR-based API. To begin developing applications that leverage this API start by reviewing the standards used to make the data available: https://www.cms.gov/Regulations-and-Guidance/Guidance/Interoperability/index
Contra Costa Health allows patients to access their clinical and claims data via industry standard FHIR APIs. This data is available via the set of FHIR API servers listed below:
Provider Directory API
The Provider Directory API is publicly available and does not require application registration or authentication. The endpoint for this API is:
(Coming soon)
Machine Readable Files – Transparency in Coverage
Contra Costa Health Plan members may visit https://www.cchealth.org/health-insurance/my-contra-costa-health-plan/transparency-in-coverage to access publicly available machine-readable files as required by the Transparency in Coverage Final Rule.