Specialist Taxonomy Code 174400000X
174400000X
Level II - Classification
108,050Registered providers
25.1NUCC version
56States & territories
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.
Code Details for 174400000X
About Taxonomy Code 174400000X
The taxonomy code 174400000X identifies Specialist within the Other Service Providers provider grouping. It is a Level II — Classification code, which names a provider's occupation or service within the broader provider grouping.
NPI records show 108,050 registered providers whose primary or secondary taxonomy is this code. Of these, 31,677 (29%) are registered as organizations and 76,373 (71%) as individual providers. The states with the most specialist providers are New York (27,207), California (11,054), Florida (7,187).
Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.
Provider Composition & Statistics
108,050Total providers
31,677Organizations 29%
76,373Individuals 71%
48,295Female
27,890Male
188Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-28T00:00:00.
View all 108,050 providersSpecialist Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
108,050
Alabama1,227Alaska206American Samoa3Arizona1,805Arkansas949California11,054Colorado2,144Connecticut887Delaware276District Of Columbia281Florida7,187Georgia2,448Guam24Hawaii601Idaho382Illinois2,557Indiana987Iowa261Kansas500Kentucky979Louisiana1,390Maine393Mariana Islands1Maryland2,060Massachusetts1,835Michigan1,924Minnesota1,159Mississippi569Missouri968Montana247Nebraska288Nevada589New Hampshire1,230New Jersey3,702New Mexico681New York27,207North Carolina2,102North Dakota402Ohio2,553Oklahoma836Oregon1,677Pennsylvania3,594Puerto Rico1,213Rhode Island332South Carolina944South Dakota86Tennessee1,835Texas5,289Utah720Vermont108Virgin Islands26Virginia1,913Washington3,713West Virginia514Wisconsin585Wyoming124
Frequently Asked Questions
174400000X questionsNPPES lists 108,050 registered providers with this taxonomy code (Specialist).
Both. About 29% of these providers are registered as organizations and 71% as individuals.
This taxonomy code does not map to a Medicare specialty code in the current crosswalk.
It is a Level II - Classification code in the NUCC Health Care Provider Taxonomy set.
Use the "Providers by state" directory on this page to open the list of specialist providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 25.1. Provider counts from NPPES. See nucc.org.
