Patient Access API

For developers only, please click below to access the Development Portal where you will find instructions on signing up and documentation to help you get started.

Provider Directory API

MedStar Family Choice provides a Provider Directory in the per CMS requirements via a FHIR interface.

The base URL for the provider directory is


This service supports anonymous access to all FHIR query endpoints. Non-query endpoints will return HTTP 404. No registrations or token requests are required to access the endpoints. For example, you can retrieve the list of Practitioners with the following CURL command: curl


Use of this API requires understanding of the FHIR/HL7 APIs. Unfortunately, we cannot provide developer support on the FHIR specification or building a client application utilizing this data. However, if you believe there is a technical issue with our service, you may report it to