235Z00000X — Speech-Language Pathologist

235Z00000X is the NUCC provider taxonomy code for Speech-Language Pathologist (individual providers). 212,223 providers in our latest NPPES snapshot list it as their primary taxonomy.

Taxonomy code 235Z00000X
Display name Speech-Language Pathologist
Grouping Speech, Language and Hearing Service Providers
Classification Speech-Language Pathologist
Section Individual
Directory Speech-Language Pathologist provider directory

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.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

Frequently asked questions

What does taxonomy code 235Z00000X mean?
235Z00000X is the NUCC Health Care Provider Taxonomy code for Speech-Language Pathologist in the "Speech, Language and Hearing Service Providers" grouping. It classifies individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 235Z00000X?
Browse the Speech-Language Pathologist directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-09.