Psychiatrist

Orin L. Bigman, MD

1425 S Main St, Walnut Creek, California, 94596-5318

About Orin L. Bigman

Orin L. Bigman is a psychiatrist based in Walnut Creek, California who is specialized in Psychiatry. Active license number of Orin L. Bigman is G45125 for Psychiatry in California. His current practice location is 1425 S Main St, Walnut Creek. Patients can contact him at 925-295-4000. Orin L. Bigman, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1669550760.

Orin L. Bigman specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Orin L. Bigman's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Orin L. Bigman
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 1425 S Main St,
Walnut Creek, CA - 94596-5318

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1669550760
NPI Enumeration Date: 02 Nov, 2006
NPI Last Update On: 08 Jul, 2007

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Orin L. Bigman are as mentioned below.

License NumberSpecializationStateStatus
G45125Psychiatry CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Orin L. Bigman such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
00G451250MedicaidCalifornia

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Orin L. Bigman
1800 Harrison St Fl 7,
Oakland, CA - 94612-3429
Phone: 510-625-6262

Book an Appointment with Orin L. Bigman

To schedule an appointment, contact Orin L. Bigman at 1425 S Main St, Walnut Creek, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Orin L. Bigman:

Orin L. Bigman is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Orin L. Bigman is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Orin L. Bigman practices at 1425 S Main St, Walnut Creek, California, 94596-5318.

To schedule an appointment with Orin L. Bigman, please contact the office at 925-295-4000.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.