William J Sieber is a San Diego, California based psychologist with 42 years of experience in Clinical Psychology. He completed his graduation in 1984. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of William J Sieber is 19435 for Clinical Psychology in California. His current practice location is 200 W Arbor Dr, San Diego. Patients can reach him at 800-926-8273. William J Sieber is PH.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1851413165.
William J Sieber is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
William J Sieber speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | William J Sieber |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Experience: | 42+ years |
| Medical School Attended: | Other |
| Graduation Year: | 1984 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 200 W Arbor Dr, San Diego,
California, 92103-9000 |
| Phone: | 800-926-8273 |
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: | 1759476302 |
| Enrollment ID: | I20070927000739 |
| NPI Number: | 1851413165 |
| NPI Enumeration Date: | 06 Apr, 2007 |
| NPI Last Update On: | 05 Feb, 2019 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William J Sieber are as mentioned below.
| License Number | Specialization | State | Status | |
| 19435 | Clinical Psychology | California | Primary | |
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 William J Sieber is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Regents Of The Univesity Of California - Ucsd Medical Group (3577476761) | 1524 |
| Uc San Diego Health Community Group (3971849175) | 98 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | William J Sieber
Po Box 232410,
San Diego, California |
| Zip: | 92193-2410 |
Patients can reach William J Sieber at
200 W Arbor Dr, San Diego, California or can
call to book an appointment on 800-926-8273.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.