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

Individual provider Psychologist · NPI 1801055207

Dr. Diana Marchetti Barrett, PHD is a Psychologist in Menlo Park, California. Practices as a sole proprietor. Registered with an NPI since 2008.

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.

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Practice location Address checks out

928 Timothy Ln
Menlo Park, CA 94025
Phone: (650) 725-0957
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1801055207
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 2, 2008
Last updated in NPPESSeptember 11, 2009

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