Specialist: NPI taxonomy code 174400000X
Taxonomy code 174400000X is Specialist, in the Other Service Providers group.
89,364 active NPIs list it as their primary specialty (0.9% of all).
| Code | 174400000X |
|---|---|
| Group | Other Service Providers |
| Classification | Specialist |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 89,364 (60,951 individuals, 28,413 organizations) |
What NUCC says: 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. (excerpt of the NUCC 26.1 definition)
Find Specialist providers
Search the registry for providers listing Specialist. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| New York | 25,423 | 28.4% |
| California | 9,035 | 10.1% |
| Florida | 5,683 | 6.4% |
| Texas | 3,980 | 4.5% |
| Washington | 3,172 | 3.5% |
| New Jersey | 2,958 | 3.3% |
| Pennsylvania | 2,843 | 3.2% |
| Ohio | 2,052 | 2.3% |
| Illinois | 2,003 | 2.2% |
| Georgia | 1,864 | 2.1% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Prosthetics Case Management 1,956
- Research Study Specialist 603
- Research Study Abstracter/Coder 134
- Graphics Designer 31
Specialty definitions are from the NUCC Health Care Provider Taxonomy (version 26.1). Which code to use on a claim depends on your NPPES record and your payer. See taxonomy codes explained.