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

Joshua P Vanderschaaf, PSYD

Individual provider Psychologist · NPI 1144300435

Joshua P Vanderschaaf, PSYD is a Clinical Psychologist in San Mateo, California. Qualified in 2002, 24 years ago. Practices with County of Santa Clara, a 993-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
24
Licensed in
CA
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

222 W 39th Ave
San Mateo, CA 94403-4364
Phone: (650) 573-2222
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY19237 (CA)

Record details

NPI number1144300435
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESApril 11, 2013
Mailing address222 W 39th Ave, San Mateo, CA 94403-4364

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice County Of Santa Clara — 993 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in San Mateo