KATHERINE TERHARDT
NPI 1255280160
Speech-Language Pathologist in Lake Forest, CA

Q: What is Katherine Terhardt's NPI number?

The NPI number for Katherine Terhardt is 1255280160. It was assigned to this individual provider in the NPPES registry on January 23, 2026.

Q: What is Katherine Terhardt's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Active since January 23, 2026

25531 COMMERCENTRE DR STE 120, LAKE FOREST, CA 92630(949) 600-5437 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Katherine Terhardt NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE TERHARDT (NPI 1255280160) is an individual speech-language pathologist provider in Lake Forest, California, licensed in California (21570) and active in the NPI registry since January 2026. She maintains a secondary practice location in Rsm.

NPPES Registry Identity

NPI1255280160

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameKATHERINE TERHARDT

Location Address25531 COMMERCENTRE DR STE 120Lake Forest, CA 92630-8874

Mailing Address22431 Antonio Pkwy Ste B160-493Rsm, CA 92688-2804

Phone(949) 600-5437

Sole ProprietorNo

Enumeration DateJanuary 23, 2026

NPPES CertifiedJanuary 23, 2026

✔ NPI 1255280160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers

Taxonomy Code235Z00000X

License✔ Licensed in CA · 21570

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.

25531 COMMERCENTRE DR STE 120, Lake Forest, CA 92630

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Secondary Practice Location 1

Location 129811 Santa Margarita Pkwy Ste 600Rsm, CA 92688-3617 · Phone (949) 600-5439

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIA ALEXANDRA PASTRANA

Occupational Therapist

25531 COMMERCENTRE DR STE 120
LAKE FOREST, CA 92630

Orange County (949) 600-5437

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Terhardt's NPI number?

The NPI number for Katherine Terhardt is 1255280160. It was assigned to this individual provider in the NPPES registry on January 23, 2026.

Where is Katherine Terhardt located?

Katherine Terhardt practices at 25531 Commercentre Dr Ste 120, Lake Forest, CA 92630. The listed phone number is (949) 600-5437.

What is Katherine Terhardt's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Katherine Terhardt was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.