Psychologist | Clinical Psychology

Dianne Y. Sundby, PH.D.

9229 W. Sunset Blvd., Suite 502, Los Angeles, California, 90069-3405

About Dianne Y. Sundby

Dianne Y. Sundby is a psychologist based in Los Angeles, California who is specialized in Clinical Psychology. Active license number of Dianne Y. Sundby is PSY4162 for Clinical Psychology in California. Her current practice location is 9229 W. Sunset Blvd., Suite 502, Los Angeles. Patients can contact her at 310-274-3423 or can fax her at 310-274-5317. Dianne Y. Sundby, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1215315478.

Dianne Y. Sundby 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dianne Y. Sundby'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 Dianne Y. Sundby
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 9229 W. Sunset Blvd., Suite 502
Los Angeles, CA - 90069-3405
Fax 310-274-5317

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 Number1215315478
NPI Enumeration Date: 08 May, 2015
NPI Last Update On: 08 May, 2015

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 Dianne Y. Sundby are as mentioned below.

License NumberSpecializationStateStatus
PSY4162Clinical Psychology CaliforniaPrimary

Mailing Address

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

Dianne Y. Sundby
9229 W. Sunset Blvd., Suite 502
Los Angeles, CA - 90069-3405
Phone: 310-274-3423
Fax: 310-274-5317

Book an Appointment with Dianne Y. Sundby

To schedule an appointment, contact Dianne Y. Sundby at 9229 W. Sunset Blvd., Suite 502, Los Angeles, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dianne Y. Sundby:

Dianne Y. Sundby is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dianne Y. Sundby 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.

Dianne Y. Sundby practices at 9229 W. Sunset Blvd., Suite 502, Los Angeles, California, 90069-3405.

To schedule an appointment with Dianne Y. Sundby, please contact the office at 310-274-3423.

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