Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1215889340 Individual Practitioner Female Practitioner

Isabel De Guzman , PA-C

Physician Assistant • Pasadena, CA

Professional Overview & Biography Verified Profile Summary

Isabel De Guzman, PA-C is a certified Physician Assistant practicing in Pasadena, CA. With approximately 1 years of clinical experience since graduating from Touro Un Col Of Osteopathic Medicine, Henderson in 2025, Isabel De Guzman delivers high-quality medical care to the local community at 10 CONGRESS ST STE 103.

Isabel De Guzman does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

10 Congress St Ste 103

Pasadena, CA 911053027

Telephone 6267966164
Associated Practice Facility / Clinic
🏢 Steven A. Battaglia M.d. Inc. Facility NPI 1215069869

Medicare Profile & Education

Medical School

Touro Un Col Of Osteopathic Medicine, Henderson

Graduation Year

2025

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Pasadena, CA

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
1 Yrs -7.7 yrs vs City Avg
City Avg: 8.7 Yrs
State Avg: 11.5 Yrs
Regional Practice Density
88 Specialists

Practicing in Pasadena, CA (14617 Statewide)

Telehealth Adoption Rate
10.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. De Guzman (1 Years) 1 Yrs
Pasadena Specialty Average (8.7 Years) 8.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-02-11
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CA PA67557

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Practice Associates & Co-Workers

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

9 Associated Practitioners
Stephanie Schwartz , PA-C

Physician Assistant - Medical

NPI 1043899511

Physician Assistant (Certified)

Baneen Zia

Physician Assistant

NPI 1174244750
Elizabeth Marfazelian , FNP

Nurse Practitioner - Family

NPI 1306201405

Family Nurse Practitioner

Paul Fruhner , PA-C

Physician Assistant

NPI 1346628674

Physician Assistant (Certified)

NPI 1437178951

Doctor of Medicine (M.D.)

NPI 1518973544

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active February 11, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location February 11, 2026

Registered at 10 CONGRESS ST STE 103, PASADENA, CA 911053027 (Tel: 6267966164)

📍
Updated Business Mailing Address February 11, 2026

Registered at 10 CONGRESS ST STE 103, PASADENA, CA 911053027

👤
Provider Name / Credentials Updated February 11, 2026

Recorded as ISABEL DE GUZMAN, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 11, 2026

Physician Assistant (License #PA67557 in CA)

🟢
Initial NPI Registration & Enumeration February 11, 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: 1215889340
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 11, 2026
Last Update: February 11, 2026
Sole Proprietor: No

Mailing Address

10 Congress St Ste 103

Pasadena, CA 911053027

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.