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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

MR. JOHN FERGUS FAHY, PH.D.

Active

Geriatric Psychologist · BERKELEY, CA

Registration Details

NPI Number
1588702740
Provider Type
Individual
Gender
Male
NPI Issued
Feb 1, 2007 (19.217211905604 yrs)
Last Updated
Sep 11, 2025
Licenses
PSY14056 (CA)
PSY14056 (CA)
PSY14056 (CA)
PSY14056 (CA)

Practice Information

Address
2001 DWIGHT WAY
5 NORTH
BERKELEY, CA, 947042608
Browse CA providers · Browse ZIP 94704
Phone
5102044896
Fax
5102044655
Primary Specialty
Geriatric Psychologist
103TP2701X
Additional Specialty
Psychologist
Additional Specialty
Clinical Neuropsychologist
Additional Specialty
Geriatric Psychologist
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.