Psychologist | Clinical Child & Adolescent Psychology

Marissa Cassar, PHD

710 Lawrence Express Way, Santa Clara, California, 95051

About Marissa Cassar

Marissa Cassar is a psychologist based in Santa Clara, California who is specialized in Clinical Child & Adolescent Psychology. Active license number of Marissa Cassar is PSY35808 for Clinical Psychology in California. Her current practice location is 710 Lawrence Express Way, Santa Clara. Patients can contact her at 408-851-1174. Marissa Cassar, PHD, specializes in Clinical Child & Adolescent Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1528845831.

Marissa Cassar 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

Marissa Cassar'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 Marissa Cassar
Specialization Clinical Child & Adolescent Psychology
Credentials PHD
Gender Female
Practice Address: 710 Lawrence Express Way,
Santa Clara, CA - 95051

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 Number1528845831
NPI Enumeration Date: 11 Sep, 2023
NPI Last Update On: 19 Aug, 2025

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 Marissa Cassar are as mentioned below.

License NumberSpecializationStateStatus
PSY35808Clinical Psychology CaliforniaPrimary
Clinical Child & Adolescent Psychology Secondary

Mailing Address

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

Marissa Cassar
274 Redwood Shores Parkway, #802
Redwood City, CA - 94065

Book an Appointment with Marissa Cassar

To schedule an appointment, contact Marissa Cassar at 710 Lawrence Express Way, Santa Clara, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Marissa Cassar:

Marissa Cassar 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, Marissa Cassar 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.

Marissa Cassar practices at 710 Lawrence Express Way, Santa Clara, California, 95051.

To schedule an appointment with Marissa Cassar, please contact the office at 408-851-1174.

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