Audiologist: NPI taxonomy code 231H00000X
Taxonomy code 231H00000X is Audiologist, in the Speech, Language and Hearing Service Providers group.
25,058 active NPIs list it as their primary specialty (0.3% of all).
| Code | 231H00000X |
|---|---|
| Group | Speech, Language and Hearing Service Providers |
| Classification | Audiologist |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 25,058 (21,729 individuals, 3,329 organizations) |
What NUCC says: (1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. (excerpt of the NUCC 26.1 definition)
Find Audiologist providers
Search the registry for providers listing Audiologist. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 1,758 | 7.0% |
| New York | 1,715 | 6.8% |
| Texas | 1,697 | 6.8% |
| Florida | 1,624 | 6.5% |
| Ohio | 1,092 | 4.4% |
| Pennsylvania | 1,079 | 4.3% |
| Illinois | 989 | 3.9% |
| North Carolina | 898 | 3.6% |
| Michigan | 826 | 3.3% |
| Colorado | 790 | 3.2% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
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.