Dr. Colleen McMahon is a licensed psychologist who specializes in evidence-based treatments for children, teens, and young adults experiencing anxiety and emotional distress. She uses cognitive behavior therapy, applied behavior analysis, and behavior therapy to help children and families manage life’s challenges. Dr. McMahon offers children, teens, and families practical and proven intervention recommendations that can reduce stress and improve well-being.
Dr. McMahon grew up in the Des Moines area and earned her Ed.S. and Ph.D. degrees from The University of Iowa. She was a tenured associate professor of psychology at Cleveland State University in Ohio and a school psychology trainer at the University of California in Riverside.

In-person: West Des Moines, Iowa
Telehealth: Iowa
Professional Affiliations
Education and Experience
2026-current
Licensed Psychologist, Anxiety & OCD Treatment Services
2025-current
Private Practice Psychologist
​1998-2024
Associate Professor, Department of Psychology, Cleveland State University
​1992-1998
Assistant Professor, School of Education, University of California-Riverside
