Speech-Language Pathologist Taxonomy Code 235Z00000X
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
Code Details for 235Z00000X
About Taxonomy Code 235Z00000X
The taxonomy code 235Z00000X identifies Speech-Language Pathologist within the Speech, Language And Hearing 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 216,808 registered providers whose primary or secondary taxonomy is this code. Of these, 21,644 (10%) are registered as organizations and 195,164 (90%) as individual providers. The states with the most speech-language pathologist providers are New York (25,393), Texas (18,155), Florida (14,362). For Medicare enrollment, it crosswalks to specialty code 15 (Speech Language Pathologist).
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
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.
View all 216,808 providersSpeech-Language Pathologist Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
Frequently Asked Questions
235Z00000X questionsNPPES lists 216,808 registered providers with this taxonomy code (Speech-Language Pathologist).
Both. About 10% of these providers are registered as organizations and 90% as individuals.
It crosswalks to Medicare specialty code 15 (Speech Language Pathologist).
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 speech-language pathologist 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.