Psychiatrist

Maria Claire Demosthenous, D.O.

1001 Bayhill Dr, 270, San Bruno, California, 94066-3062

About Maria Claire Demosthenous

Maria Claire Demosthenous is a psychiatrist based in San Bruno, California who is specialized in Psychiatry. Active license number of Maria Claire Demosthenous is 20A10489 for Psychiatry in California. Her current practice location is 1001 Bayhill Dr, 270, San Bruno. Patients can contact her at 650-552-9652 or can fax her at 650-552-9348. Maria Claire Demosthenous, D.O., specializes in Psychiatry and her NPI number (Unique professional ID assigned by NPPES) is 1992904064.

Maria Claire Demosthenous 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

Maria Claire Demosthenous'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 Maria Claire Demosthenous
Specialization Psychiatry
Credentials D.O.
Gender Female
Practice Address: 1001 Bayhill Dr, 270
San Bruno, CA - 94066-3062
Fax 650-552-9348

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 Number1992904064
NPI Enumeration Date: 17 Jul, 2007
NPI Last Update On: 10 Feb, 2009

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 Maria Claire Demosthenous are as mentioned below.

License NumberSpecializationStateStatus
20A10489Psychiatry CaliforniaPrimary
036118786Child & Adolescent Psychiatry IllinoisSecondary

Mailing Address

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

Maria Claire Demosthenous
2081 Arena Blvd, Suite 160
Sacramento, CA - 95834-2309
Phone: 916-285-8977
Fax: 916-285-0338

Book an Appointment with Maria Claire Demosthenous

To schedule an appointment, contact Maria Claire Demosthenous at 1001 Bayhill Dr, 270, San Bruno, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Maria Claire Demosthenous:

Maria Claire Demosthenous is a psychiatrist specializing in Psychiatry. She 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, Maria Claire Demosthenous 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.

Maria Claire Demosthenous practices at 1001 Bayhill Dr, 270, San Bruno, California, 94066-3062.

To schedule an appointment with Maria Claire Demosthenous, please contact the office at 650-552-9652.

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