Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Tiffany Ann O'Shaughnessy, PHD

Individual provider Mental Health Counselor · NPI 1518114586

Dr. Tiffany Ann O'Shaughnessy, PHD is a Mental Health Counselor in Berkeley, California. Practices as a sole proprietor. Licensed in California and Nevada.

Licensed in
CA, NV
In the registry since
2008
Specialties on file
3
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

2424 Dwight Way Ste 7
Berkeley, CA 94704-2365
Phone: (510) 273-2497
Fax: (510) 495-1120
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 23635 (CA)
Mental Health Counselor Taxonomy 101YM0800X
Counseling Psychologist Taxonomy 103TC1900X · Licence 1006 (NV)

Record details

NPI number1518114586
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 21, 2008
Last updated in NPPESAugust 16, 2023
Certification dateAugust 16, 2023

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