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

Dr. Jonathan Vaughan Williams, PHD

Individual provider Clinical Psychologist · NPI 1700458056

Dr. Jonathan Vaughan Williams, PHD is a Clinical Psychologist in San Diego, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2021
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3645 7th Ave Unit 405
San Diego, CA 92103-4358
Phone: (619) 838-3944
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 94026065 (CA)

Record details

NPI number1700458056
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 15, 2021
Last updated in NPPESJuly 15, 2021
Certification dateJuly 15, 2021

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