Psychiatrist

Matthew O'brien, MD

10333 El Camino Real, Atascadero, California, 93422-5808

About Matthew O'brien

Matthew O'brien is a psychiatrist based in Atascadero, California who is specialized in Psychiatry. Active license number of Matthew O'brien is 180914 for Psychiatry in California. His current practice location is 10333 El Camino Real, Atascadero. Patients can contact him at 805-468-2000. Matthew O'brien, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1376002600.

Matthew O'brien 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

Matthew O'brien'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 Matthew O'brien
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 10333 El Camino Real,
Atascadero, CA - 93422-5808

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 Number1376002600
NPI Enumeration Date: 16 Mar, 2019
NPI Last Update On: 28 Sep, 2023

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 Matthew O'brien are as mentioned below.

License NumberSpecializationStateStatus
180914Psychiatry CaliforniaPrimary

Mailing Address

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

Matthew O'brien
8019 S. Compton Ave,
Los Angeles, CA - 90001
Phone: 323-586-7333

Book an Appointment with Matthew O'brien

To schedule an appointment, contact Matthew O'brien at 10333 El Camino Real, Atascadero, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Matthew O'brien:

Matthew O'brien 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, Matthew O'brien 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.

Matthew O'brien practices at 10333 El Camino Real, Atascadero, California, 93422-5808.

To schedule an appointment with Matthew O'brien, please contact the office at 805-468-2000.

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