For patients, healthcare providers, and health plans (among other stakeholders) who need trustworthy, actionable information, the advantages of validated “healthcare directories” are wide ranging and will play an increasing part in our nation’s interoperability infrastructure. Healthcare directories play a critical role in enabling identification of individual providers and provider organizations, as well as characteristics about them, their relationships, and the means by which to access and exchange health information among them electronically. Healthcare directories support a variety of use cases,

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