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

Individual provider Psychologist · NPI 1396724290

Dr. Donald Niall Fallin, PSYD is a Psychologist in Hayward, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

225 W Winton Ave Ste 202
Hayward, CA 94544-1216
Phone: (510) 783-6899
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY16419 (CA)

Record details

NPI number1396724290
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJanuary 10, 2006
Last updated in NPPESSeptember 11, 2025

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