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

Dr. Diana L Wertz, MD, PHD

Individual provider Psychiatry Physician · NPI 1205147113

Dr. Diana L Wertz, MD, PHD is a Psychiatry Physician in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
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

1700 S Amphlett Blvd Ste 250F
San Mateo, CA 94402-2701
Phone: (650) 690-2778
Fax: (844) 864-1701
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A119989 (CA)

Record details

NPI number1205147113
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJune 24, 2010
Last updated in NPPESAugust 11, 2015

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