NUCC Health Care Provider Taxonomy
The Health Care Provider Taxonomy code set — grouping, classification, specialization, and display name per code. The same reference set NPPES uses to tag provider taxonomy. Reference code set; no NPI or entity linkage. Source:
Illustrative FHIR CodeSystem mapping
How one record can be normalized.
{
"resourceType": "CodeSystem",
"id": "nucc-taxonomy",
"_source": "nucc-taxonomy",
"_methodology": "nucc-taxonomy/v1",
"concept": [{ "code": "207RA0201X", "display": "Allergy & Immunology Physician" }]
}This example documents a normalized shape; it does not establish that a FHIR endpoint or bulk export is available for this catalog entry. When a record includes _source, _methodology, snapshot-date, or confidence fields, those fields are nullable and delivery surfaces can return different subsets. Published bulk files are listed separately in the bulk manifest.
Fields in this record
What each field in the illustrative CodeSystem mapping means.
The fields below are derived from the displayed illustrative FHIR CodeSystem mapping. When a record includes source-metadata fields (_source, _methodology, and a snapshot date), they describe that delivered record. Those fields are nullable and may be absent from a response; identity fields key the record and data fields carry the measured values.
| Field | Type | Role |
|---|---|---|
resourceType | string | Identity |
id | string | Identity |
_source | string | Provenance |
_methodology | string | Provenance |
concept | array | Data |
Dataset facts
| Field | Value |
|---|---|
| Agency | |
| Category | Reference data |
| Records | |
| Temporal coverage | 2001–2026 |
| Publisher cadence (nominal) | Semiannual |
| Load timing | No load-time guarantee; date shown is the catalog observation for this row count. |
| Catalog observation date | 2026-06-14 |
| Illustrative FHIR mapping | CodeSystem |
| Methodology | nucc-taxonomy/v1 |
| Measured | Grouping, classification, specialization, display name, and section per taxonomy code |
| Upstream source | www.nucc.org → |
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How to reach this dataset.
Dataset-specific delivery formats are confirmed during pilot review. This catalog entry does not promise a bulk file or FHIR endpoint. Pilot requests are reviewed within one business day; there is no charge during the pilot period.