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Arielle Feldman Casasnovas, Ph.D.


Locations and Appointments

Insurances Accepted

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Personal Statement

I am an Assistant Professor of Psychology in Clinical Psychiatry at Weill Cornell Medicine and an Assistant Attending Psychologist at New York Presbyterian Hospital Westchester Behavioral Health Center. I am a licensed clinical psychologist who specializes in the treatment of anxiety and depression in children, adolescents, and young adults. Other areas of specialty include parent management training and providing family support. I primarily work from a cognitive behavioral therapy (CBT) model with the inclusion of dialectical behavior therapy (DBT) skills. I offer a variety of clinical services in the faculty practice and inpatient setting, including diagnostic evaluation, consultation, and psychotherapy. I also serve as a clinical supervisor for psychology and psychiatry fellows in the child outpatient and inpatient Departments.  

Biographical Info

Dr. Arielle Casasnovas completed her Bachelor of Arts in Psychology and Sociology at the University of Delaware and earned both her MA in Clinical Mental Health Counseling and her Ph.D. in Clinical Psychology from Fairleigh Dickinson University, where she received research and clinical training in evidence-based interventions for children, adolescents, and adults. Her clinical training had a particular emphasis on childhood anxiety and mood disorders.

Dr. Casasnovas completed her clinical internship training at Westchester Jewish Community Services (WJCS). She has trained in in a variety of settings, including academic medical centers, community mental health clinics, public high schools, and a clinic specialized in the treatment of anxiety, obsessive-compulsive, and related disorders. She has advanced training and experience in multiple treatment modalities, including Cognitive Behavioral Therapy, Dialectical Behavior Therapy, and Parent Management Training. Dr. Casasnovas completed a two-year postdoctoral fellowship at NewYork-Presbyterian Westchester Behavioral Health Center/ Weill Cornell Medicine, where she is now an Assistant Professor of Psychology in Clinical Psychiatry and an Assistant Attending Psychologist. She serves as a clinician and supervisor of inpatient and outpatient psychotherapy.

Clinical Expertise
Adolescent Psychotherapy
Adult Psychotherapy
Child Psychotherapy
Cognitive Behavioral Therapy
Family Psychotherapy
Group Psychotherapy
Individual Psychotherapy
Dialectical Behavior Therapy
Behavior Therapy
ADHD (Attention Deficit Hyperactivity Disorder)
Mood Disorders
  • Ph.D.
    Fairleigh Dickinson University
  • M.A.
    Fairleigh Dickinson University
  • B.A.
    University of Delaware
  • Assistant Attending Psychologist
    NewYork-Presbyterian Hospital
  • Assistant Professor of Psychology in Clinical Psychiatry
    Weill Cornell Medical College, Cornell University

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No External Relationships Reported