National Directory of Healthcare Providers & Services (NDH) Implementation Guide
2.0.0-current - ci-build
National Directory of Healthcare Providers & Services (NDH) Implementation Guide
2.0.0-current - ci-build
National Directory of Healthcare Providers & Services (NDH) Implementation Guide, published by HL7 International / Patient Administration. This guide is not an authorized publication; it is the continuous build for version 2.0.0-current built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-us-ndh/ and changes regularly. See the Directory of published versions
| Page standards status: Normative |
To facilitate efficient data retrieval and standardized querying from the NDH, a series of search parameters have been defined:
Use this search parameter to find endpoints by access-control approach so clients can match expected authentication and authorization patterns. Applies to Endpoint records.
Use this search parameter to find endpoints that support dynamic trust-profile registration so onboarding can be automated and scalable. Applies to Endpoint records.
Use this search parameter to find endpoints by detailed IHE-specific connection semantics when general connection types are not precise enough. Applies to Endpoint records.
Use this search parameter to identify endpoints by trust framework so they can connect through compatible security and policy communities. Applies to Endpoint records.
Use this search parameter to find Group records by services offered to identify groups that provide specific services. Applies to Group records.
Use this search parameter to find HealthcareService records with the specified eligibility. Applies to HealthcareService records.
Use this search parameter to find HealthcareService records with the specified location. Applies to HealthcareService records.
Use this search parameter to find records linked to specific networks to evaluate in-network participation and coverage pathways. Applies to HealthcareService records.
Use this search parameter to find HealthcareService records with specified new-patient acceptance and network criteria. Applies to HealthcareService records.
Use this search parameter to find where new-patient acceptance is tied to a specific network so coverage-based access can be evaluated. Applies to HealthcareService records.
Use this search parameter to find where new patients are being accepted to identify available access points for care. Applies to HealthcareService records.
Use this search parameter to find HealthcareService records with the specified organization. Applies to HealthcareService records.
Use this search parameter to find services or programs by age-group eligibility to match offerings to age-based participation needs. Applies to HealthcareService records.
Use this search parameter to find services or programs using birth-sex eligibility criteria to screen for population-specific participation rules. Applies to HealthcareService records.
Use this search parameter to find services or programs by employment-status criteria to identify offerings aligned to employment-based eligibility. Applies to HealthcareService records.
Use this search parameter to find services or programs by insurance-status criteria to identify offerings aligned to coverage circumstances. Applies to HealthcareService records.
Use this search parameter to find services or programs by preferred-language criteria to locate linguistically appropriate options. Applies to HealthcareService records.
Use this search parameter to find services or programs by veteran-status criteria to identify offerings intended for veteran populations. Applies to HealthcareService records.
Use this search parameter to find services or programs by age-group eligibility to match offerings to age-based participation needs. Applies to HealthcareService records.
Use this search parameter to find services or programs using birth-sex eligibility criteria to screen for population-specific participation rules. Applies to HealthcareService records.
Use this search parameter to find services or programs by employment-status criteria to identify offerings aligned to employment-based eligibility. Applies to HealthcareService records.
Use this search parameter to find services or programs by insurance-status criteria to identify offerings aligned to coverage circumstances. Applies to HealthcareService records.
Use this search parameter to find services or programs by preferred-language criteria to locate linguistically appropriate options. Applies to HealthcareService records.
Use this search parameter to find services or programs by veteran-status criteria to identify offerings intended for veteran populations. Applies to HealthcareService records.
Use this search parameter to find products that are offered in the specified location. Applies to InsurancePlan records.
Use this search parameter to find products that are offered in the specified coverage benefit type. Applies to InsurancePlan records.
Use this search parameter to find products offering covered benefits through the specified coverage network. Applies to InsurancePlan records.
Use this search parameter to find products that are offered in the specified coverage type. Applies to InsurancePlan records.
Use this search parameter to find products that are offered in the specified network. Applies to InsurancePlan records.
Use this search parameter to find products that are offered in the specified plan network. Applies to InsurancePlan records.
Use this search parameter to find products that are offered in the specified plan type. Applies to InsurancePlan records.
Use this search parameter to find locations by accessibility accommodations to locate sites that meet access-support needs. Applies to Location records.
Use this search parameter to find locations by geographic containment to discover sites that serve or fall within a target area. Applies to Location records.
Use this search parameter to find network records by coverage area to identify networks available in a specific location. Applies to Organization records.
Use this search parameter to find OrganizationAffiliation records with the specified location. Applies to OrganizationAffiliation records.
Use this search parameter to find OrganizationAffiliation records with the specified participating organization. Applies to OrganizationAffiliation records.
Use this search parameter to find OrganizationAffiliation records with the specified primary organization. Applies to OrganizationAffiliation records.
Use this search parameter to find practitioners linked to technical endpoints to discover professionals available for electronic exchange. Applies to Practitioner records.
Use this search parameter to find Practitioner records by qualification code. Applies to Practitioner records.
Use this search parameter to find Practitioner records by qualification issuer organization. Applies to Practitioner records.
Use this search parameter to find PractitionerRole records by location. Applies to PractitionerRole records.
Use this search parameter to find records linked to specific networks to evaluate in-network participation and coverage pathways. Applies to PractitionerRole records.
Use this search parameter to find PractitionerRole records by new-patient acceptance from a specified network. Applies to PractitionerRole records.
Use this search parameter to find PractitionerRole records by new-patient acceptance. Applies to PractitionerRole records.
Use this search parameter to find PractitionerRole records by organization. Applies to PractitionerRole records.
Use this search parameter to find records by verification standing to prioritize trusted and current directory data. Applies to Endpoint, HealthcareService, Organization, Location, Practitioner, PractitionerRole, InsurancePlan, OrganizationAffiliation, and Group records.
Use this search parameter to find validation information for data that was attested to by the specified individual or organization. Applies to VerificationResult records.
Use this search parameter to find verification information for data that was verified against the specified primary source type. Applies to VerificationResult records.
Use this search parameter to find verification information for data that was verified against the specified primary source validation status. Applies to VerificationResult records.
Use this search parameter to find verification information for data that was verified against the specified primary source actor. Applies to VerificationResult records.
Use this search parameter to find verification information for data that was verified against the specified status. Applies to VerificationResult records.
Use this search parameter to find verification information for data that was verified against the specified target. Applies to VerificationResult records.
IG © 2023+ HL7 International / Patient Administration.
Package hl7.fhir.us.ndh#2.0.0-current based on FHIR 4.0.1.
Generated
2026-06-25
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