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

Dr. Wei Mon Lew, PHD

Individual provider Clinical Psychologist · NPI 1427134733

Dr. Wei Mon Lew, PHD is a Clinical Psychologist in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

421 27th Ave
San Mateo, CA 94403-2401
Phone: (650) 573-9765
Fax: (415) 433-0953
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

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY4074 (CA)

Record details

NPI number1427134733
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 29, 2006
Last updated in NPPESJuly 8, 2007

Other providers in San Mateo