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Is your Provider Directory Endpoint ready for Medicare Plan Finder (CMS-4208-F2)?

calendar_today May 12, 2026 person Ron Urwongse, Co-founder, Defacto Health domain 1up-health

Five years ago, the first CMS Interoperability and Patient Access Final Rule (CMS-9115-F) required health insurers to publish Provider Directory APIs. These FHIR endpoints were intended to make provider network data openly available to members, developers, and anyone building tools to help people find care. The vision was straightforward: standardize the data, open the endpoint, […] The post Is your Provider Directory Endpoint ready for Medicare Plan Finder (CMS-4208-F2)?

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