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

Dr. Diane Christine Leroi, PHD

Individual provider Clinical Psychologist · NPI 1720109531

Dr. Diane Christine Leroi, PHD is a Clinical Psychologist in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

221 N San Mateo Dr
San Mateo, CA 94401-2608
Phone: (650) 340-1651
Fax: (650) 348-7888
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY9119 (CA)

Record details

NPI number1720109531
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 2, 2007
Last updated in NPPESJuly 8, 2007

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