To learn more about our College/Career Assessments, please click on the button below. If you are interested in purchasing a career assessment as a gift for a friend or family member, please email us at 

Please note that  College/Career Assessments are not considered medically necessary and, therefore, cannot be billed to insurance companies. 

Please click here for a list of the safety precautions taken by our office for in-person appointments.

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If you would like information on psychotherapy,

counseling, or personal growth/life coaching,

please click here:

If you would like to request an appointment for services that would be billed to your insurance provider, please submit your insurance information using the following form. TELEHEALTH NOTICE: We ARE able to bill insurance for remote Telehealth sessions. You can participate in a therapy session from the comfort of home via a secure video conference. Please request a "Telehealth Session" when scheduling:

If you would like to call your insurance company to check on your benefits, you can find helpful guides here (recommended).

If you would prefer to submit this information by other means, please feel free to email us at, or contact us via phone at (909) 989-4055. If you would like to download and complete a physical version of this survey, you may do so here and fax it to us at 909-989-8005. 

If you would like information on psychological assessment, please click here:

Thank you for visiting Gunn Psychological Services. We are a group of professionals dedicated to providing the highest quality psychological services and referrals. We can assist you with whatever you may need to reach your highest potential. We are also very knowledgeable about the psychological community at large and can provide you with a referral to the appropriate service provider if we cannot help you ourselves. Many people may not know exactly the type of service that they require. For that reason, we are dedicated to consulting with you to join our expertise with your life experience and put you in touch with the person, group of people, service and/or organization to help you overcome any life obstacle and/or assist in general personal growth.



Gunn Psychological Services provides the following services: 


Individual, family, couples and group therapy

Developmental Assessment

Psychoeducational Assessment

Psychodiagnostic Assessment

Intellectual Giftedness Assessment

Autism Assessment

ADHD Assessment

Learning Disorder Assessment

College and Career Assessment

Independent Educational Evaluations




For your convenience, we have offices in Rancho Cucamonga and Pasadena. 



To learn more about our team, schedule an appointment or for more information please click on the link below, email, call or text us at 909-989-4055.  

Phone: 909-989-4055 (call or text message)

Fax: 909-989-8005



Official therapy provider for Battle Buddy 4 Life, LLC. 

Catch Dr. Gunn on Seasons 1 and 2 of

Lifetime Network's Child Genius.

Full episodes are available here.