231H00000X
Speech-Language Pathologist Taxonomy Code 235Z00000X
235Z00000X
Level II - Classification
239,279Registered providers
15Medicare specialty
25.1NUCC version
56States & territories
Definition
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 239,279 registered providers whose primary or secondary taxonomy is this code. Of these, 24,766 (10%) are registered as organizations and 214,513 (90%) as individual providers. The states with the most speech-language pathologist providers are New York (26,510), Texas (19,202), Florida (15,243). 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
239,279Total providers
24,766Organizations 10%
214,513Individuals 90%
205,488Female
7,975Male
1,050Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.
View all 239,279 providersSpeech-Language Pathologist Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
239,279
Alabama2,055Alaska567Arizona5,266Arkansas4,335California12,504Colorado5,552Connecticut1,947Delaware773District Of Columbia833Florida15,243Georgia6,043Guam12Hawaii699Idaho1,170Illinois11,763Indiana3,471Iowa1,220Kansas1,803Kentucky3,580Louisiana3,716Maine1,405Mariana Islands1Maryland5,520Massachusetts4,513Michigan4,324Minnesota2,629Mississippi1,752Missouri5,764Montana763Nebraska2,103Nevada1,193New Hampshire1,370New Jersey6,050New Mexico2,334New York26,510North Carolina8,186North Dakota1,185Ohio8,563Oklahoma2,899Oregon2,531Palau3Pennsylvania8,055Puerto Rico1,446Rhode Island769South Carolina4,040South Dakota715Tennessee4,395Texas19,202Utah1,484Vermont388Virgin Islands22Virginia5,909Washington4,824West Virginia1,548Wisconsin3,241Wyoming398
Frequently Asked Questions
235Z00000X questionsNPPES lists 239,279 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.
