Psychologist | Clinical Psychology

Dr. Gerald Robert Duprez, PH.D.

8253 White Oak Ave, Rancho Cucamonga, California, 91730-7671

About Dr. Gerald Robert Duprez

Dr. Gerald Robert Duprez is a psychologist based in Rancho Cucamonga, California who is specialized in Clinical Psychology. Active license number of Dr. Gerald Robert Duprez is 12020 for Clinical Psychology in California. His current practice location is 8253 White Oak Ave, Rancho Cucamonga. Patients can contact him at 909-987-1997 or can fax him at 909-987-0993. Dr. Gerald Robert Duprez, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1760462105.

Dr. Gerald Robert Duprez 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Gerald Robert Duprez'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. Gerald Robert Duprez
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 8253 White Oak Ave,
Rancho Cucamonga, CA - 91730-7671
Fax 909-987-0993

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 Number1760462105
NPI Enumeration Date: 20 Jan, 2006
NPI Last Update On: 20 Dec, 2019

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. Gerald Robert Duprez are as mentioned below.

License NumberSpecializationStateStatus
12020Clinical 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. Gerald Robert Duprez
8253 White Oak Ave,
Rancho Cucamonga, CA - 91730-7671
Phone: 909-987-1997
Fax: 909-987-0993

Book an Appointment with Dr. Gerald Robert Duprez

To schedule an appointment, contact Dr. Gerald Robert Duprez at 8253 White Oak Ave, Rancho Cucamonga, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gerald Robert Duprez:

Dr. Gerald Robert Duprez is a psychologist specializing in Clinical Psychology. He 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Gerald Robert Duprez 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. Gerald Robert Duprez practices at 8253 White Oak Ave, Rancho Cucamonga, California, 91730-7671.

To schedule an appointment with Dr. Gerald Robert Duprez, please contact the office at 909-987-1997.

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