Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1255280160 Individual Practitioner Female Practitioner

Katherine Terhardt

Speech-Language Pathologist • Lake Forest, CA

Professional Overview & Biography Verified Profile Summary

Katherine Terhardt is a registered healthcare professional specializing in Speech-Language Pathologist in Lake Forest, CA. Practice services are available at 25531 COMMERCENTRE DR STE 120 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

25531 Commercentre Dr Ste 120

Lake Forest, CA 926308874

Telephone 9496005437
Associated Practice Facility / Clinic
🏢 The Hailey Mayz Foundation Facility NPI 1023309390

Specialty Benchmarks & Practice Insights

Comparative analytics for Speech-Language Pathologist in Lake Forest, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 8.0 Yrs
State Avg: 14.3 Yrs
Regional Practice Density
34 Specialists

Practicing in Lake Forest, CA (13280 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-01-23
Speech-Language Pathologist Primary Specialty

NUCC Taxonomy Code: 235Z00000X

State License CA 21570

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.

Secondary Practice Locations

29811 Santa Margarita Pkwy Ste 600

Rsm, CA 926883617

Phone: 9496005439

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

17 Associated Practitioners
Leilanie Dao , OT, L

Occupational Therapist - Pediatrics

NPI 1063579720

Occupational Therapist, L

Chelsea Swopes , CCC-SLP

Speech-Language Pathologist

NPI 1073047312

Speech-Language Pathologist (Certificate of Clinical Competence)

Jennifer Starkey , CCC-SLP

Speech-Language Pathologist

NPI 1093373938

Speech-Language Pathologist (Certificate of Clinical Competence)

Samantha Vetter , MS, OTR, L

Occupational Therapist

NPI 1134808884

Master of Science, Occupational Therapist Registered, L

Julia Pastrana

Occupational Therapist

NPI 1134934839
Julie Tanner

Speech-Language Pathologist

NPI 1144943234

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active January 23, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location January 23, 2026

Registered at 25531 COMMERCENTRE DR STE 120, LAKE FOREST, CA 926308874 (Tel: 9496005437)

📍
Updated Business Mailing Address January 23, 2026

Registered at 22431 ANTONIO PKWY STE B160-493, RSM, CA 926882804

👤
Provider Name / Credentials Updated January 23, 2026

Recorded as KATHERINE TERHARDT

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 23, 2026

Speech-Language Pathologist (License #21570 in CA)

🟢
Initial NPI Registration & Enumeration January 23, 2026

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1255280160
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 23, 2026
Last Update: January 23, 2026
Sole Proprietor: No

Mailing Address

22431 Antonio Pkwy Ste B160-493

Rsm, CA 926882804

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.