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

Mr. William Vanderzwan, LCSW

Individual provider Clinical Social Worker · NPI 1801159413

Mr. William Vanderzwan, LCSW is a Clinical Social Worker in Bakersfield, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2012
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

11309 Talladega Ct
Bakersfield, CA 93312-6454
Phone: (661) 342-6229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3300 Truxtun Ave, Bakersfield, CA 93301-3137 — (661) 342-6229

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCSW20354 (CA)

Record details

NPI number1801159413
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 19, 2012
Last updated in NPPESMarch 19, 2023
Certification dateMarch 19, 2023

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