Psychologist | Clinical Child & Adolescent Psychology

Dr. Diane Patricia Siegel, PH.D.

10951 Cherry St, Suite 201, Los Alamitos, California, 90720-2401

About Dr. Diane Patricia Siegel

Dr. Diane Patricia Siegel is a psychologist based in Los Alamitos, California who is specialized in Clinical Child & Adolescent Psychology. Active license number of Dr. Diane Patricia Siegel is PSY16202 for Clinical Child & Adolescent Psychology in California. Her current practice location is 10951 Cherry St, Suite 201, Los Alamitos. Patients can contact her at 562-799-8553. Dr. Diane Patricia Siegel, PH.D., specializes in Clinical Child & Adolescent Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1700978095.

Dr. Diane Patricia Siegel analyse the cognitive, social and emotional development of children. Typically, she look at development from the prenatal period through adolescence. Some of the traditional areas of interest include genetics, language development, learning disabilities, personality, gender roles, cognitive development, sexual development and social growth.
Clinical Child Psychologist responsibilities includes task like assessing and treating learning or developmental disabilities or delays; Working with children and their caregivers to manage behavioral issues; Administering psychological tests; Conducting scientific research on childhood development; Working with a health care team to create a unique treatment plan for a client.

Practice Information

Dr. Diane Patricia Siegel'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. Diane Patricia Siegel
Specialization Clinical Child & Adolescent Psychology
Credentials PH.D.
Gender Female
Practice Address: 10951 Cherry St, Suite 201
Los Alamitos, CA - 90720-2401

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 Number1700978095
NPI Enumeration Date: 28 Sep, 2006
NPI Last Update On: 24 Jan, 2012

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. Diane Patricia Siegel are as mentioned below.

License NumberSpecializationStateStatus
PSY16202Clinical Child & Adolescent 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.

Dr. Diane Patricia Siegel
10951 Cherry St, Suite 201
Los Alamitos, CA - 90720-2401
Phone: 562-799-8553

Book an Appointment with Dr. Diane Patricia Siegel

To schedule an appointment, contact Dr. Diane Patricia Siegel at 10951 Cherry St, Suite 201, Los Alamitos, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Diane Patricia Siegel:

Dr. Diane Patricia Siegel is a psychologist specializing in Clinical Child & Adolescent Psychology. She analyse the cognitive, social and emotional development of children. Typically, she look at development from the prenatal period through adolescence. Some of the traditional areas of interest include genetics, language development, learning disabilities, personality, gender roles, cognitive development, sexual development and social growth.
Clinical Child Psychologist responsibilities includes task like assessing and treating learning or developmental disabilities or delays; Working with children and their caregivers to manage behavioral issues; Administering psychological tests; Conducting scientific research on childhood development; Working with a health care team to create a unique treatment plan for a client.

Yes, Dr. Diane Patricia Siegel 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. Diane Patricia Siegel practices at 10951 Cherry St, Suite 201, Los Alamitos, California, 90720-2401.

To schedule an appointment with Dr. Diane Patricia Siegel, please contact the office at 562-799-8553.

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