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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

DEBORAH SIM
NPI 1255253092
Student in an Organized Health Care Education/Training Program in Fullerton, CA

Active since July 25, 2026
2575 YORBA LINDA BLVD, FULLERTON, CA 92831(714) 449-7400 Get Directions Write a Review

NPPES record added: July 25, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Deborah Sim NPPES

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

DEBORAH SIM (NPI 1255253092) is an individual student in an organized health care education/training program in Fullerton, California and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1255253092
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameDEBORAH SIM
Location Address2575 YORBA LINDA BLVDFullerton, CA 92831-1615
Mailing Address2575 Yorba Linda BlvdFullerton, CA 92831-1615
Phone(714) 449-7400
Sole ProprietorYes
Enumeration DateJuly 25, 2026
NPPES CertifiedJuly 25, 2026
✔ NPI 1255253092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

2575 YORBA LINDA BLVD, Fullerton, CA 92831
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Other Providers at the Same Location NPPES 20

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

RACHEL JONES
Physician Assistant (Medical)
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (714) 449-7400
ONELKA DEVHARA DUNSFORD
Student in an Organized Health Care Education/Training Program
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (714) 449-7400
HANNAH HAHN
Physician Assistant
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (714) 449-7400
AMY WU
Physician Assistant
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (213) 550-7936
CASSIDY SPILLETT
Student in an Organized Health Care Education/Training Program
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (714) 449-7400
DR. REGINA SEEN WON GARRIOTT O.D.
Optometrist
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (714) 992-7870
GUADALUPE VEGA
Student in an Organized Health Care Education/Training Program
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (714) 449-7400
RILEY BENNYWORTH
Student in an Organized Health Care Education/Training Program
2575 YORBA LINDA BLVD
FULLERTON, CA 92831
Orange County (714) 449-7400

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 Deborah Sim's NPI number?

The NPI number for Deborah Sim is 1255253092. It was assigned to this individual provider in the NPPES registry on July 25, 2026.

Where is Deborah Sim located?

Deborah Sim practices at 2575 Yorba Linda Blvd, Fullerton, CA 92831. The listed phone number is (714) 449-7400.

What is Deborah Sim's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Deborah Sim was last updated on July 25, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.