Psychologist | General Psychology

Dr. Timothy Gunn, PSY.D.

8300 Utica Ave Ste 245, Rancho Cucamonga, California, 91730-3852

About Dr. Timothy Gunn

Dr. Timothy Gunn is a psychologist based in Rancho Cucamonga, California who is specialized in General Psychology. Active license number of Dr. Timothy Gunn is PSY23190 for General Psychology in California. His current practice location is 8300 Utica Ave Ste 245, Rancho Cucamonga. Patients can contact him at 909-989-4055 or can fax him at 909-989-8005. Dr. Timothy Gunn, PSY.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1356466973.

Dr. Timothy Gunn 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

Dr. Timothy Gunn'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. Timothy Gunn
Specialization General Psychology
Credentials PSY.D.
Gender Male
Practice Address: 8300 Utica Ave Ste 245,
Rancho Cucamonga, CA - 91730-3852
Fax 909-989-8005

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 Number1356466973
NPI Enumeration Date: 20 Mar, 2007
NPI Last Update On: 19 Jul, 2023

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. Timothy Gunn are as mentioned below.

License NumberSpecializationStateStatus
PSY23190General 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. Timothy Gunn
8300 Utica Ave Ste 245,
Rancho Cucamonga, CA - 91730-3852
Phone: 909-989-4055
Fax: 909-989-8005

Book an Appointment with Dr. Timothy Gunn

To schedule an appointment, contact Dr. Timothy Gunn at 8300 Utica Ave Ste 245, Rancho Cucamonga, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Timothy Gunn:

Dr. Timothy Gunn 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, Dr. Timothy Gunn 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. Timothy Gunn practices at 8300 Utica Ave Ste 245, Rancho Cucamonga, California, 91730-3852.

To schedule an appointment with Dr. Timothy Gunn, please contact the office at 909-989-4055.

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