Dr. Timothy J O'brien
PH.D. | Psychologist | 14+ years Exp
10061 Talbert Ave # 234, Fountain Valley
California, 92708-5159
949-526-9504 Maps & DirectionsDr. Timothy J O'brien is a Fountain Valley, California based psychologist with 14 years of experience in Psychology. He completed his graduation in 2012. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Timothy J O'brien is PSY26611 in California. His current practice location is 10061 Talbert Ave # 234, Fountain Valley. Patients can reach him at 949-526-9504. Dr. Timothy J O'brien is PH.D. in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1275924557.
Dr. Timothy J O'brien is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.
Complete Profile:
Dr. Timothy J O'brien speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Timothy J O'brien |
| Specialization: | Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Experience: | 14+ years |
| Medical School Attended: | Other |
| Graduation Year: | 2012 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 10061 Talbert Ave # 234, Fountain Valley,
California, 92708-5159 |
| Phone: | 949-526-9504 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 7719206945 |
| Enrollment ID: | I20150508002098 |
| NPI Number: | 1275924557 |
| NPI Enumeration Date: | 09 Feb, 2015 |
| NPI Last Update On: | 14 Nov, 2025 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Timothy J O'brien are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY26611 | | California | Primary | |
| PSY26611 | Clinical Psychology | California | Secondary | |
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
| Hospital Name (CCN) | State | Hospital Type |
| (050348) | Orange, CA | Acute Care Hospital |
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which Dr. Timothy J O'brien is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Regents Of The University Of Claifornia Univ Neursciences (2769476357) | 51 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Timothy J O'brien
6285 E Spring St # 598,
Long Beach, California |
| Zip: | 90808-4020 |
| Phone Number: | 205-908-4125 |
Patients can reach Dr. Timothy J O'brien at
10061 Talbert Ave # 234, Fountain Valley, California or can
call to book an appointment on 949-526-9504.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.