Dr. Timothy J O'Brien, PHD
Dr. Timothy J O'Brien, PHD is a Clinical Psychologist in Fountain Valley, California. Qualified in 2012, 14 years ago. Works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.
- Years since qualifying
- 14
- Licensed in
- CA
- In the registry since
- 2015
- Specialties on file
- 2
What do these letters mean?
- PHD — Doctor of Philosophy
- A research doctorate. In healthcare it usually sits alongside a clinical licence.
Practice location Address checks out
10061 Talbert Ave # 234Fountain Valley, CA 92708-5159
Phone: (949) 526-9504
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 2708 Ostrom Ave, Long Beach, CA 90815-1603 — (949) 526-9504
Specialties & licences
| Clinical Neuropsychologist (primary) | Taxonomy 103G00000X · Licence PSY26611 (CA) |
|---|---|
| Clinical Psychologist | Taxonomy 103TC0700X · Licence PSY26611 (CA) |
Record details
| NPI number | 1275924557 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | PHD |
| Sole proprietor | No |
| NPI enumerated | February 9, 2015 |
| Last updated in NPPES | November 14, 2025 |
| Certification date | November 14, 2025 |
Medicare enrollment
| Medicare specialty | CLINICAL PSYCHOLOGIST |
|---|---|
| Medical school | OTHER |
| Graduated | 2012 (14 years in practice) |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Telehealth | Offers telehealth services |
| Practice locations | 2 on file with Medicare |
Other providers in Fountain Valley
-
Vision Neuropsychology & Psychology
10061 Talbert Ave # 234, Fountain Valley, CA 92708-5159 · (949) 526-9504