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MR. WILLIAM DAVID HOLDER PHYSICIAN ASSISTANT
NPI 1699816256
Physician Assistant in El Cajon, CA

Active since February 08, 2007
133 W MAIN ST STE 100, EL CAJON, CA 92020(619) 401-0404 Get Directions Write a Review

NPPES record last updated: May 27, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. William David Holder Physician Assistant NPPES

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

MR. WILLIAM DAVID HOLDER PHYSICIAN ASSISTANT (NPI 1699816256) is an individual physician assistant in El Cajon, California, licensed in California (14647) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1699816256
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. WILLIAM DAVID HOLDERCredential: PHYSICIAN ASSISTANT
Location Address133 W MAIN ST STE 100El Cajon, CA 92020-3325
Mailing Address34800 Bob Wilson Dr, Nmcsd Attn MedicalSan Diego, CA 92134-1098 · (619) 532-6460 · Fax (619) 532-6299
Phone(619) 401-0404
Sole ProprietorNo
Enumeration DateFebruary 8, 2007
Last NPPES UpdateMay 27, 2015
✔ NPI 1699816256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · 14647
Definition
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.
133 W MAIN ST STE 100, El Cajon, CA 92020
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Other Providers at the Same Location NPPES 7

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

GEORGE MANUEL ZAMBRANA P.A
Physician Assistant
133 W MAIN ST STE 100
EL CAJON, CA 92020
San Diego County (619) 401-0404
JOSE MARTIN NUNO P.A.
Physician Assistant
133 W MAIN ST STE 100
EL CAJON, CA 92020
San Diego County (619) 401-0404
TAMARA J. TUCKER-HAM N.P.
Nurse Practitioner (Family)
133 W MAIN ST STE 100
EL CAJON, CA 92020
San Diego County (619) 401-0404
ALANA RETA GHANIM MD
Pediatrics
133 W MAIN ST STE 100
EL CAJON, CA 92020
San Diego County (619) 401-0404
EDGAR MARK BULLOCH MD
Obstetrics & Gynecology
133 W MAIN ST STE 100
EL CAJON, CA 92020
San Diego County (619) 401-0404
MARICEL VELUZ DELACRUZ
Nurse Practitioner (Family)
133 W MAIN ST STE 100
EL CAJON, CA 92020
San Diego County (619) 401-0404
GIZZELE VICTORIA VALENCIA-DELGADO DNP, FNP-C
Nurse Practitioner
133 W MAIN ST STE 100
EL CAJON, CA 92020
San Diego County (619) 401-0404

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 William Holder's NPI number?

The NPI number for William Holder is 1699816256. It was assigned to this individual provider in the NPPES registry on February 8, 2007.

Where is William Holder located?

William Holder practices at 133 W Main St Ste 100, El Cajon, CA 92020. The listed phone number is (619) 401-0404.

What is William Holder's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for William Holder was last updated on May 27, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.