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

DR. TIMOTHY J O'BRIEN, PH.D.

Active

DR. TIMOTHY J O'BRIEN, PH.D. is a Clinical Neuropsychologist healthcare provider located in FOUNTAIN VALLEY, California. NPI 1275924557 is currently active in the NPPES registry. Verify at CMS.

Clinical Neuropsychologist · FOUNTAIN VALLEY, CA

Registration Details

NPI Number
1275924557
Provider Type
Individual
Gender
Male
NPI Issued
Feb 9, 2015 (11.557045922026 yrs)
Last Updated
Nov 14, 2025
Licenses
PSY26611 (CA)
PSY26611 (CA)

Practice Information

Address
10061 TALBERT AVE # 234
FOUNTAIN VALLEY, CA, 927085159
Browse CA providers · Browse ZIP 92708
Phone
9495269504
Primary Specialty
Clinical Neuropsychologist
103G00000X
Additional Specialty
Clinical 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.