174400000X — Specialist
174400000X is the NUCC provider taxonomy code for Specialist (individual providers). 89,525 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 174400000X |
|---|---|
| Display name | Specialist |
| Grouping | Other Service Providers |
| Classification | Specialist |
| Section | Individual |
| Directory | Specialist provider directory |
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
- 1744G0900X — Graphics Designer (Specialist)
- 1744P3200X — Prosthetics Case Management (Specialist)
- 1744R1103X — Research Study Abstracter/Coder (Specialist)
- 1744R1102X — Research Study Specialist (Specialist)
- 171100000X — Acupuncturist
- 171M00000X — Case Manager/Care Coordinator
- 174V00000X — Clinical Ethicist
- 172V00000X — Community Health Worker
Frequently asked questions
What does taxonomy code 174400000X mean?
174400000X is the NUCC Health Care Provider Taxonomy code for Specialist in the "Other Service Providers" grouping. It classifies individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 174400000X?
Browse the Specialist directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-09.