Mary-Kate Barnes, PH.D.

Clinical Psychologist

Dr. Mary-Kate Barnes is a Licensed Clinical Psychologist who specializes in the treatment of anxiety disorders, depression, relationship difficulties, stress, post traumatic stress disorder (PTSD), and health concerns in children, adolescents and adults. She utilizes a warm, empathetic approach, and values a strong therapeutic alliance. Dr. Barnes strives to create a safe, supportive environment where she and her clients can work together towards their goals. She integrates a variety of therapeutic approaches, including cognitive-behavioral therapy (CBT), mindfulness, and interpersonal therapy to fit the unique needs of each client. She is skilled in many evidenced-based treatments such as Exposure Therapy, Cognitive Behavioral Therapy for Depression, and Cognitive Behavioral Therapy for Insomnia. Dr. Barnes specializes in treating trauma and stressor-related disorders and is trained in both Prolonged Exposure and Cognitive Processing Therapy for PTSD.

Dr. Barnes also has extensive training in health psychology. She spent 6 years of her doctoral training researching the psychological predictors of healthy weight behaviors in children and adolescents. She has authored several book chapters and academic articles on behavioral health promotion strategies and has presented her research findings at numerous conferences around the world. Dr. Barnes is passionate about applying her research findings to the clinical setting. She is well versed in cognitive-behavioral weight management techniques and is trained in many psychological treatments for health conditions such as chronic pain, insomnia, and cancer.

Dr. Barnes graduated from the University of Florida with degrees in Psychology and Statistics. She earned her Master’s degree and her Ph.D. in Clinical Psychology from the University of Miami. She completed her APA-accredited predoctoral internship at the West Palm Beach VA Medical Center. Dr. Barnes is proficient in tele-psychology and is qualified to conduct therapy via phone and video format.

Contact Us Today for a Confidential Assessment
Call (561) 223-6568

Meet Our Team

The Children’s Center is founded by Dr. Andrew Rosen and Dr. David A. Gross who have been practicing in South Florida since 1984. They are the Directors of The Center for Treatment of Anxiety and Mood Disorders.


Andrew Rosen PH.D., ABPP, FAACP

Founder and Clinical Director


David Gross MD, DLFAPA

Founder and Medical Director

Ryan Seidman, Psy.D

Clinical Director
Child and Adolescent Psychologist

Jerome Siegmeister, MD, MaED

Board Certified Psychiatrist & Board Certified Child and Adolescent Psychiatrist

Jamie Levine, Psy.D

Clinical Psychologist

Melissa R. Koniver, PsyD, NCSP

Clinical Psychologist

Lonette Belizaire, Ph.D.

Clinical Psychologist

Mary-Kate Barnes, PH.D.

Clinical Psychologist

Brittany Schulman, Psy.D

Clinical Psychologist

Terri Samuels, MS

Licensed Mental Health Counselor

Darbi Miller, MS, LMFT

Licensed Marriage and Family Therapist

Ali Cunningham, Ph.D.

Licensed Mental Health Counselor and Qualified Supervisor

Meg Seidman, MS, LMHC

Licensed Mental Health Counselor

Esther Klein

Emily Caproni, Psy.D

Postdoctoral Resident

Alexandra Licata, PH.D.

Postdoctoral Resident

Esther Klein

Esther Klein, PH.D.

Postdoctoral Resident

Dana Ball MS, OTR/L

Occupational Therapist

Meredith Serota, B.A.; M.S. (ESE); RBT; ITDS

Behavioral Therapist

Elise Yonon, M.S. CCC-SLP

Speech-Language Pathologist

David Krasky, Psy.S.

School Psychologist

Eden Kornblath, B.A.

Behaviorist and Education Specialist

Alyssa Kovacs M.S. Ed, ITDS

Behaviorist and Early Childhood Specialist

Kara Lyles, MS

Registered Mental Health Counselor Intern

Michael Klionsky

Private Tutor

Ashlee Kasten, MSW

Registered Social Work Intern

Marsha Glines

Marsha Glines, PH.D

Academic Coach / Laerning Specialist

Full Service Center with a Multi-Disciplinary Team in One Centralized Location

Contact Us Today for a Confidential Assessment
Call (561) 223-6568

The Children’s Center will focus on
the following core areas:

Call Us (561) 223-6568