Individual provider · Type 1 NPI
Timothy J. O'Brien, PhD
Clinical Neuropsychologist · Fountain Valley, CA
Practice location
10061 Talbert Ave # 234
Fountain Valley, CA 92708-5159
Mailing address
6285 E Spring St # 598
Long Beach, CA 90808-4020
Other practice locations
- 2708 Ostrom Ave, Long Beach, CA 90815-1603 · (949) 526-9504
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Clinical Neuropsychologist Primary | 103G00000X | PSY26611 (CA) |
| Clinical Psychologist | 103TC0700X | PSY26611 (CA) |
Clinical Neuropsychologist: A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Another provider at this address
About NPI 1275924557
Timothy J. O'Brien, PhD's National Provider Identifier is 1275924557, issued on Feb 9, 2015. The primary taxonomy on file is Clinical Neuropsychologist (103G00000X), and the practice location is in Fountain Valley, CA. The record was last updated on Nov 14, 2025.