Anna Loiterstein, PsyD

Licensed Clinical Psychologist

MY PHILOSOPHY I am dedicated to providing evidence-based assessment and treatment to children, adolescents, young adults, and their families. Through…

Read more >

Mick Kelly, MFT

Marriage and Family Therapist

My clients are adults, couples, children, and adolescents who are dealing with major issues that have ground their lives to…

Read more >

Kelsea Visalli, PhD

Licensed Counseling Psychologist

LIFE CAN BE SO HARD SOMETIMES. Everyone struggles with difficult emotions, interpersonal difficulties, and conflicts; however, sometimes those difficulties may…

Read more >

Alissa Goldberg, LCSW

Licensed Clinical Social Worker

WHO I WORK WITH I’m passionate about helping people through some of the lowest points in their lives. You could…

Read more >

Stacey Blase, PhD

Licensed Clinical Psychologist

MY PHILOSOPHY I am committed to providing high quality, scientifically informed treatment to help each of my clients build new…

Read more >

Megan Warner, PhD

Founder of GPS, Clinical Psychologist

I AM HERE TO HELP Welcome! I am a licensed clinical psychologist and the founder of Guilford Psychological Services. Strong…

Read more >


Kathy Tsatsanis, PhD

Clinical Psychologist

You don’t have to do this alone. I offer therapy and assessment services to my clients. I have expertise in…

Read more >

Prerana Patel, LPC

Licensed Professional Counselor

My Philosophy and Approach My desire is to thoroughly understand my client’s story and act as a facilitator on their…

Read more >

Abigail Gunn, LPC

MY PHILOSOPHY I believe that every human being has a viable reason driving his/her/their feeling, behavior, and thought. Throughout our…

Read more >

Robert Riordan, JD, PsyD

Attorney, Clinical Psychologist

MY PHILOSOPHY My guiding philosophy is straight-forward: to have a different result, we must try something different.  Sounds simple. However,…

Read more >


All of us at GPS bring a balance of compassion and a practical understanding for the science of our field. We are kind, genuine, compassionate people that want to know who you are, and how you are doing, in order to best select the therapeutic strategies that will work for you. This combination of compassion and science is the uniqueness of GPS.  Therapists here know that compassion and science are at their best, together, and that this combination is the quickest way to relief… and to feeling better.