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

Dr. Joan Leslie Mendelson, PHD

Individual provider Psychologist · NPI 1801343504

Dr. Joan Leslie Mendelson, PHD is a Psychologist in Palo Alto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2016
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

560 Oxford Ave Ste 6B
Palo Alto, CA 94306-1139
Phone: (650) 328-6764
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY11233 (CA)

Record details

NPI number1801343504
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 9, 2016
Last updated in NPPESSeptember 9, 2016

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