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

MS. Adrienne B. Difabio, PHD

Individual provider Psychologist · NPI 1659702785

MS. Adrienne B. Difabio, PHD is a Psychologist in Napa, California. Licensed in California. Registered with an NPI since 2013.

Licensed in
CA
In the registry since
2013
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

2100 Napa Vallejo Hwy
Napa, CA 94558-6234
Phone: (707) 253-5000
Fax: (707) 253-5097
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY25828 (CA)

Record details

NPI number1659702785
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 27, 2013
Last updated in NPPESJanuary 3, 2022

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