Quick answers
- Where does Timothy Obrien see patients?
- Medicare's clinician data lists 2 practice locations, including Fountain Valley, CA and Long Beach, CA. Call before your visit to confirm the address.
- What is Timothy Obrien's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Timothy Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy Obrien accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Timothy Obrien offer telehealth?
- Medicare's clinician data says Timothy Obrien offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Timothy Obrien?
- (949) 526-9504, as listed in official Medicare / NPI Registry data.
- What is Timothy Obrien's NPI number?
- 1275924557. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Timothy Obrien is enrolled with Medicare (CMS data updated 2026-10-02).
- 10061 Talbert Ave, Suite 234Fountain Valley, CA 92708 (949) 526‑9504
- 2708 Ostrom AveLong Beach, CA 90815 (949) 526‑9504
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275924557 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians