Psychologist

Peter Youssef

150 W Foothill Blvd Unit A, San Dimas, California, 91773-1103

About Peter Youssef

Peter Youssef is a psychologist based in San Dimas, California who is specialized in Psychology. Active license number of Peter Youssef is PSB94028038 for General Psychology in California. His current practice location is 150 W Foothill Blvd Unit A, San Dimas. Patients can contact him at 626-507-3585. Peter Youssef NPI number (Unique professional ID assigned by NPPES) is 1235714171.

Peter Youssef is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Peter Youssef'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 Peter Youssef
Specialization Psychology
Gender Male
Practice Address: 150 W Foothill Blvd Unit A,
San Dimas, CA - 91773-1103

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 Number1235714171
NPI Enumeration Date: 12 Mar, 2021
NPI Last Update On: 27 Mar, 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 Peter Youssef are as mentioned below.

License NumberSpecializationStateStatus
PSB94028038General Psychology CaliforniaPrimary
Behavior Technician Secondary

Mailing Address

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

Peter Youssef
1159 Flintlock Rd,
Diamond Bar, CA - 91765-1116

Book an Appointment with Peter Youssef

To schedule an appointment, contact Peter Youssef at 150 W Foothill Blvd Unit A, San Dimas, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Peter Youssef:

Peter Youssef is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Peter Youssef 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.

Peter Youssef practices at 150 W Foothill Blvd Unit A, San Dimas, California, 91773-1103.

To schedule an appointment with Peter Youssef, please contact the office at 626-507-3585.

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