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

Individual provider Rehabilitation Psychologist · NPI 1588702740

Mr. John Fergus Fahy, PHD is a Rehabilitation Psychologist in Berkeley, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
4
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

2001 Dwight Way 5 N
Berkeley, CA 94704-2608
Phone: (510) 204-4896
Fax: (510) 204-4655
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Group Psychotherapy Psychologist (primary) Taxonomy 103TP2701X · Licence PSY14056 (CA)
Rehabilitation Psychologist Taxonomy 103TR0400X · Licence PSY14056 (CA)
Psychologist Taxonomy 103T00000X · Licence PSY14056 (CA)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence PSY14056 (CA)

Record details

NPI number1588702740
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 1, 2007
Last updated in NPPESSeptember 11, 2025