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

Dr. Diana Maria Cosulich, PHD

Individual provider Psychologist · NPI 1750449849

Dr. Diana Maria Cosulich, PHD is a Psychologist in Union City, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

3555 Whipple Rd
Union City, CA 94587-1507
Phone: (510) 675-3080
Fax: (510) 675-4648
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY17168 (CA)

Record details

NPI number1750449849
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 4, 2006
Last updated in NPPESJuly 8, 2007

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