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NamingSystem ​

Identifier systems used by the DirectTrust Directory.

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TitleVersionStatusDateDescription
Direct Address DT Directory Identifieractive2023-05-31The naming System for identifying a Direct address Endpoint in the DirectTrust Directory. It is a string that is the actual Direct Address with no hashing.
Endpoint DT Directory Identifieractive2026-07-06The naming system for identifying an Endpoint within the DirectTrust Directory. For each Endpoint created, the identifier is created as E- followed by the md5 hex hash of HISPID and SERV_DIRECT_ADDR.
Hisp Organization DT Directory Identifieractive2026-08-13The naming system for identifying HISP Organizations that submit Directory contribution files.
Location DT Directory Identifieractive2026-07-06The naming system for idenitying a service Location managed by a specific Organization in the DirectTrust Directory. The identifier is created as L- followed by the md5 hex hash of HISPID, LOC_NAME, LOC_ADDR_1,…
LOC_UID DT Directory Identifieractive2026-07-06The naming system for identifying facility locations provided by a HISP in the LOC_UID field of a submitted Directory contribution file.
Organization Affiliation DT Directory Identifieractive2026-07-06The naming system for identifying organization affiliations. These identifiers uniquely identify an Organization being served by a specific HISP. The identifier is created as an OA- followed by the md5 hex hash of the…
Organization DT Directory Identifieractive2026-07-06The naming system for identifying an Organization within the DirectTrust Directory. The identifier is created as an O- followed by the md5 hex hash of the HISPID and an Organization Identifier provided by the Endpoint…
Practitioner DT Directory Identifieractive2026-07-06The naming system for identifying a Practitioner within the DirectTrust Directory. The identifier is created as P- followed by the md5 hex hash of HISPID, PROV_UID, PROV_NPI, PROV_NAME.
PractitionerRole DT Directory Identifieractive2026-07-06The naming system for identifying a Practitioner's role within the DirectTrust Directory. These identifiers uniquely identify a Practitioner's role at a specific Organization or Group Practice, working at specific…
PROV_UID DT Directory Identifieractive2026-07-06The naming system for identifying practitioners provided by a HISP in the PROV_UID field of a submitted Directory contribution file.