Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. William David Holder, PHYSICIANASSISTANT

Individual provider Physician Assistant · NPI 1699816256

Mr. William David Holder, PHYSICIANASSISTANT is a Physician Assistant in El Cajon, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

133 W Main St Ste 100
El Cajon, CA 92020-3325
Phone: (619) 401-0404
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 14647 (CA)

Record details

NPI number1699816256
Entity typeIndividual (Type 1)
GenderMale
Credentials PHYSICIANASSISTANT
Sole proprietorNo
NPI enumeratedFebruary 8, 2007
Last updated in NPPESMay 27, 2015

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