Our Psychologists

Katherine Miller, Ph.D. is a  licensed psychologist and provides psychotherapy and assessment services for patients from ages 3 through adulthood.  She earned her Ph.D. from the University of Wisconsin-Madison in Educational Psychology and completed her doctoral internship and postdoctoral training at Devereux Children's Behavioral Health Services.  While there, she provided individual, group, and family therapy services to children and adolescents in a residential mental health treatment facility.  She also conducted comprehensive psychodiagnostic evaluations.  In addition, Dr. Miller worked as a School Psychologist at an elementary school in Pennsylvania, and she administered and interpreted cognitive, achievement, and behavioral testing for students with disabilities.  She provided recommendations for educational interventions to be implemented to support students' learning. 

Dr. Miller utilizes a cognitive-behavioral perspective in order to individualize goals and treatment plans for clients and families.  She provides therapy services using a dialectical-behavioral,  behavioral, and/or other skills-based approaches when needed. She takes a strength-based, ecological perspective. She is also available for cognitive, achievement, emotional, and behavioral testing.



Dr. Patricia Roy-Petrick is a licensed psychologist who offers psychotherapy and assessment services to adults.  She earned her Bachelor’s and Master’s Degrees from the University of Rochester. She wrote her Master’s Thesis about factors that contribute to domestic violence in cohabitating couples. She earned her PhD from Ball State University where she wrote her dissertation exploring attitudes toward interracial couples. Dr. Roy-Petrick has over 20 years of experience working with individuals with various mental health disorders. She has completed specialized training in couples counseling, career counseling, treating trauma and other anxiety disorders, mood disorders, personality disorders, and substance use disorders. She uses  cognitive behavioral approach to therapy with techniques from dialectical behavior therapy, acceptance and commitment therapy, and other relevant approaches to help patients reach their goals.

Now Accepting New Patients

If you are in need of a psychiastrist contact us today.
We can accept most new cases within 2-3 weeks!

Our Location

5904 Sheridan Drive
Willamsville, NY 14221

Office Hours

Monday - Friday: 8:00am - 6:00pm
Closed Saturday and Sunday