Adult Psychology


Rebbeca Lahan, Psy.D.
Clinical Psychologist

Hello, I’m Rebbeca Lahann, Psy.D. I am a licensed clinical psychologist offering adult psychotherapy and psychological assessment services at my office and within primary care facilities across the east valley. I can assist with a variety of problems including depression, anxiety and relationship issues… Read More


Monika Peterson, Ph.D.
Clinical Psychologist

Hello, I’m Dr. Peterson, Ph.D. My work focuses on eating disorders including binge eating and dietary restriction, body weight and shape concerns, and compensatory behaviors including purging, over excercising, and laxative abuse. Other areas of focus include depression, anxiety, relationship concerns, grief/loss, career concerns, adjustment issues, stress managment, and life transitions… Read More


Leslie O’Neill, Ph.D.
Clinical Psychologist

Hello, I’m Dr. O’Neill, Ph.D. I am a licensed clinical psychologist providing psychotherapeutic services for adults and older adults in the East Valley. I enjoy helping people with a variety of issues including managing stress and anxiety, relationship issues, sexuality and sexual identity and coping with medical/physical illness, among others… Read More