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

## Directory Artifacts

Page standards status: Normative

### The National Directory of Healthcare Providers & Services (NDH) Profiles

The following presents the list of Directory NDH profiles. Each profile defines the minimum mandatory elements, extensions, and terminology requirements that are required to be present Must Support). For every profile, there is a simple summary of requirements and guidance, the usage and scope of the profile, and the boundaries and relationship with other profiles. A structured table presents a logical view of the content in both a differential and snapshot view. This is complemented with references to relevant terminologies, search parameters, and examples.

- Directory Endpoint
- Directory Group
- Directory HealthcareService
- Directory InsurancePlan
- Directory Location
- Directory Network
- Directory Organization
- Directory OrganizationAffiliation
- Directory Practitioner
- Directory PractitionerRole
- Directory Verification

### The NDH Extensions And Their Relationship With The NDH Directory Profiles

To address the particular use case requirements of the NDH, a set extension is defined. The subsequent table demonstrates where these extensions are incorporated within the profiles.

Extension/Profile | Directory Endpoint | Directory HealthcareService | Directory InsurancePlan | Directory Location | Directory Network | Directory Organization | Directory OrganizationAffiliation | Directory Practitioner | Directory PractitionerRole | Directory Group
NDH Accessibility |  |  |  | Yes |  |  |  | Yes |  |
NDH Associated Servers | Yes |  |  |  |  |  |  |  |  |
NDH Communication Proficiency |  |  |  |  |  |  |  | Yes |  |
NDH Contactpoint Availabletime | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
NDH Delivery Method |  | Yes |  |  |  |  |  |  |  |
NDH Dynamic Registration | Yes |  |  |  |  |  |  |  |  |
NDH Endpoint Access Control Mechanism | Yes |  |  |  |  |  |  |  |  |
[NDH Endpoint Connection Type] | Yes |  |  |  |  |  |  |  |  |
[NDH Endpoint Connection Type Version] | Yes |  |  |  |  |  |  |  |  |
NDH Endpoint IHE Specific Connection Type | Yes |  |  |  |  |  |  |  |  |
NDH Endpoint Rank | Yes |  |  |  |  |  |  |  |  |
NDH Endpoint Reference |  |  |  |  |  |  |  | Yes |  | Yes
NDH Endpoint Testing Certification | Yes |  |  |  |  |  |  |  |  |
NDH Funding Source |  | Yes |  |  |  | Yes |  |  |  |
NDH HealthcareService or Program Requirement |  | Yes |  |  |  |  |  |  |  |
NDH FHIR IG | Yes |  |  |  |  |  |  |  |  |
NDH Identifier Status | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
NDH InsurancePlan Reference |  |  |  |  |  | Yes |  |  |  |
NDH Language Speak |  | Yes |  | Yes |  | Yes |  |  |  |
NDH Location Reference |  |  |  |  | Yes |  |  |  |  | Yes
NDH Logo |  | Yes |  |  |  | Yes | Yes |  |  |
NDH Network Reference |  | Yes |  |  |  |  |  |  | Yes |
NDH NewPatients |  | Yes |  | Yes |  |  |  |  | Yes |
NDH Orginization Alias Period |  |  |  |  |  | Yes |  |  |  |
NDH Organization Alias Type |  |  |  |  |  | Yes |  |  |  |
NDH Org Description |  |  |  |  |  | Yes |  |  |  |
NDH Payment Accepted |  | Yes |  |  |  | Yes |  |  |  |
NDH Practitioner Qualification |  |  |  |  |  |  |  | Yes |  |
NDH Qualification |  |  |  |  |  | Yes | Yes |  | Yes |
NDH Rating |  | Yes |  |  |  | Yes |  | Yes | Yes |
NDH Required Document |  | Yes |  |  |  |  |  |  |  |
NDH Secure Exchange Artifacts | Yes |  |  |  |  |  |  |  |  |
NDH Trust Framework | Yes |  |  |  |  |  |  |  |  |
NDH Verification Status | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes
NDH Via Intermediary | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
NDH Endpoint EnvironmentType | Yes |  |  |  |  |  |  |  |  |

### NDH Search Parameters

To facilitate efficient data retrieval and standardized querying from the NDH, a series of search parameters has been established. The associated set of search parameters for each profile can be found in the subsequent list.

- Endpoint Search Parameters
- Group Search Parameters
- HealthcareService Search Parameters
- InsurancePlan Search Parameters
- Location Search Parameters
- Network Search Parameters
- Organization Search Parameters
- OrganizationAffiliation Search Parameters
- Practitioner Search Parameters
- PractitionerRole Search Parameters
- Verification Search Parameters

### NDH Code Systems

Due to the unavailability of certain required concepts in existing code systems, a distinct set of code systems has been defined within the NDH. You can view this list via the link provided below:

- NDH Code System

### NDH Value Sets

The use cases within NDH require specific values not found in the existing value sets. As such, the NDH has defined a set of value sets, which are listed via the link provided below:

- NDH Value Set