Psychiatrist | Geriatric Psychiatry | 21+ years experience

Dr. Deidre Elizabeth Williams, MD

19000 Homestead Rd, Bldg 2, Cupertino, California, 95014-0712

About Dr. Deidre Elizabeth Williams

Dr. Deidre Elizabeth Williams is a psychiatrist based in Cupertino, California with 21 years of experience in Geriatric Psychiatry. She completed her graduation from Baylor College Of Medicine in 2005. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Deidre Elizabeth Williams is A106036 for Psychiatry in California. Her current practice location is 19000 Homestead Rd, Bldg 2, Cupertino. Patients can contact her at 408-366-4400 or can fax her at 408-366-4405. Dr. Deidre Elizabeth Williams, MD, specializes in Geriatric Psychiatry and her NPI number (Unique professional ID assigned by NPPES) is 1366604209.

Dr. Deidre Elizabeth Williams has psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.

Practice Information

Dr. Deidre Elizabeth Williams'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 Dr. Deidre Elizabeth Williams
Specialization Geriatric Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 21+ years
Medical School Attended Baylor College Of Medicine
Graduation Year 2005
Gender Female
Practice Address: 19000 Homestead Rd, Bldg 2
Cupertino, CA - 95014-0712
Fax 408-366-4405

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.

PAC ID 6507919123
Enrollment ID I20090729000917
NPI Number1366604209
NPI Enumeration Date: 01 Jul, 2008
NPI Last Update On: 10 Jan, 2022

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 Dr. Deidre Elizabeth Williams are as mentioned below.

License NumberSpecializationStateStatus
A106036Psychiatry CaliforniaPrimary
A106036Geriatric Psychiatry CaliforniaSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Deidre Elizabeth Williams is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Permanente Medical Group Inc (8921910225)7522

Mailing Address

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

Dr. Deidre Elizabeth Williams
1518 Nuthatch Ln,
Sunnyvale, CA - 94087-4938
Phone: 713-542-2462

Book an Appointment with Dr. Deidre Elizabeth Williams

To schedule an appointment, contact Dr. Deidre Elizabeth Williams at 19000 Homestead Rd, Bldg 2, Cupertino, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Deidre Elizabeth Williams:

Dr. Deidre Elizabeth Williams 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.

Dr. Deidre Elizabeth Williams completed her education (MD) from Baylor College Of Medicine in 2005.

Dr. Deidre Elizabeth Williams has approximately 21 years of experience in Psychiatry.

Yes, Dr. Deidre Elizabeth Williams accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Deidre Elizabeth Williams 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.

Dr. Deidre Elizabeth Williams practices at 19000 Homestead Rd, Bldg 2, Cupertino, California, 95014-0712.

To schedule an appointment with Dr. Deidre Elizabeth Williams, please contact the office at 408-366-4400.

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