Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1265893614 Individual Practitioner Female Practitioner

Graciela Rene Guillen , SLP

Speech-Language Pathologist • Placentia, CA

Professional Overview & Biography Verified Profile Summary

Graciela Guillen, SLP is a registered healthcare professional specializing in Speech-Language Pathologist in Placentia, CA. Practice services are available at 1301 E ORANGETHORPE AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1301 E Orangethorpe Ave

Placentia, CA 928705302

Telephone 7149867000
Fax 7145243034
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Speech-Language Pathologist in Placentia, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 3.0 Yrs
State Avg: 14.3 Yrs
Regional Practice Density
64 Specialists

Practicing in Placentia, 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: 2026-07-23
Speech-Language Pathologist Primary Specialty

NUCC Taxonomy Code: 235Z00000X

State License CA 32198

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.

Practice Associates & Co-Workers

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

12 Associated Practitioners
Kara Roberts

Occupational Therapist - Pediatrics

NPI 1144178583
Ariel Apiado , BA, BS

Speech-Language Pathologist

NPI 1215494307

Bachelor of Arts, Bachelor of Science

Amy Greer , MPT

Physical Therapist - Pediatrics

NPI 1477495778

Master of Physical Therapy

NPI 1508706573

PPSCOUNSELING

Meonah Kwan

Speech-Language Pathologist

NPI 1588508857
Katelyn Spangenberg , MA, CCC-SLP

Speech-Language Pathologist

NPI 1699534859

Master of Arts, Speech-Language Pathologist (Certificate of Clinical Competence)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location July 23, 2026

Registered at 1301 E ORANGETHORPE AVE, PLACENTIA, CA 928705302 (Tel: 7149867000)

👤
Provider Name / Credentials Updated July 23, 2026

Recorded as GRACIELA GUILLEN, SLP

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

Speech-Language Pathologist (License #32198 in CA)

NPI Profile Active March 13, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location March 13, 2016

Registered at 1221 W WHITTIER BLVD, MONTEBELLO, CA 906404642 (Tel: 3237268080)

📍
Updated Business Mailing Address March 13, 2016

Registered at 8610 OCEAN VIEW AVE, WHITTIER, CA 906051508

👤
Provider Name / Credentials Updated March 13, 2016

Recorded as GRACIELA GUILLEN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 13, 2016

Specialist/Technologist (License #3696 in CA)

🟢
Initial NPI Registration & Enumeration March 13, 2016

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: 1265893614
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 13, 2016
Last Update: July 23, 2026
Sole Proprietor: No

Mailing Address

8610 Ocean View Ave

Whittier, CA 906051508

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.