
Strength-Based. Client-Centered.
About Spectrum Psychology & Wellness in Gilbert & Mesa, AZ

We know you have many options when it comes to your mental health and your wellness goals, and we thank you for considering us as part of your treatment team. At Spectrum Psychology & Wellness we take your perspective and needs seriously, and we will work with you to outline treatment plans that will take into consideration your goals, natural strengths, and resources as we develop a plan to maximize your potential. Whether you are looking for support during a particular challenge or are considering a new chapter in your life, we look forward to assisting you in reaching your goals.
Why Choose Spectrum Psychology & Wellness?
Past, Present & Future
Our team of mental health professionals helps across the lifespan. Let us help with individual and family issues, as well as transforming your relationship with yourself and the world around you.
Evaluation Services
Providing thorough evaluations to help you pinpoint your treatment needs and to help clarify treatment goals.
Integrated Care
Our mental health and wellness providers will work with your healthcare team to provide coordinated patient care that meets your unique needs and those of your family.
The Spectrum Psychology & Wellness Team


Mercedes Anderson, Ph.D
Doctoral Resident

Rachel Jensen, Ph.D
Doctoral Resident

Bryan Gaviria-Jimenez, Psy.D
Doctoral Resident

Monika Peterson, Ph.D.
Clinical Psychologist

Rebbeca Lahann, Psy.D.
Clinical Psychologist

Leslie O’Neill, Ph.D.
Clinical Psychologist

Jeff Lahann, MBA
Professional Coach

Caitlin Solmundson
Office Manager

Spectrum Psychology & Wellness is Veteran Owned & Operated
Interested in joining our team? Apply Here!