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

Dr. Mary Beth Thomsen, PHD

Individual provider Psychologist · NPI 1770761538

Dr. Mary Beth Thomsen, PHD is a Psychologist in Berkeley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
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

2321 6th St
Berkeley, CA 94710-2411
Phone: (510) 883-9230
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 13950 (CA)

Record details

NPI number1770761538
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 4, 2008
Last updated in NPPESFebruary 4, 2008

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