Courtney L DeAngelis, PSYD

Accepting New Patients
Treats Children
Virtual Visits/Telehealth
Profile Headshot


Courtney DeAngelis, Psy.D, is an Assistant Professor of Medical Psychology (in Psychiatry) within the Division of Child and Adolescent Psychiatry at Columbia University. She also serves as a licensed clinical psychologist at the Columbia University Clinic for Anxiety and Related Disorders-Westchester (CUCARD-Westchester). Dr. DeAngelis graduated magna cum laude with her BA degree in psychology from Muhlenberg College, and received her MA and PsyD degrees in clinical psychology from La Salle University. Dr. DeAngelis completed her predoctoral internship at the Kennedy Krieger Institute at the Johns Hopkins School of Medicine, where she served as a clinician in the Child and Family Therapy Clinic. Dr. DeAngelis completed her postdoctoral fellowship at CUCARD-Westchester.

Dr. DeAngelis specializes in the assessment and treatment of children, adolescents, and young adults with anxiety, mood, habit, posttraumatic stress, and disruptive behavior disorders. She has expertise in treating OCD, generalized, separation, and social anxiety disorders, specific phobias, posttraumatic stress disorder, and childhood externalizing disorders (ADHD, Oppositional Defiant Disorder, and Conduct Disorder). In addition to providing clinical services as a psychologist, she supervises doctoral trainees. Dr. DeAngelis has trained in a variety of settings, including a private college preparatory school, an outpatient clinic within a children’s hospital, a private practice, an academic medical center, and a community mental health clinic. Across these contexts, she has gained extensive experience collaborating and consulting with schools, other disciplines, and outside professionals to address children’s emotional and behavioral issues. Throughout her career, Dr. DeAngelis has received specialized training in the provision of several evidence-based treatments, including cognitive behavioral therapy (CBT), exposure and response prevention (EX/RP), functional family therapy (FFT), and trauma-focused cognitive behavioral therapy (TF-CBT).  Dr. DeAngelis has more recently received specialized training in the treatment of complicated grief. She is accepting patients of all ages who may be experiencing traumatic stress and/or grief during the COVID-19 pandemic.

Areas of Expertise / Conditions Treated

  • Cognitive-Behavior Therapy (CBT)
  • Family Therapy
  • Group Therapy
  • Obsessive Compulsive Disorder (OCD)
  • Post Traumatic Stress Disorder (PTSD)
  • Specific Phobia

Academic Appointments

  • Instructor of Medical Psychology (in Psychiatry) at CUMC

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center


  • Female

Schedule an Appointment

Virtual Visits/Telehealth

Virtual Visits allow you to connect with your provider from the comfort, convenience, and safety of your own home.

Schedule Virtual Visit

Phone Appointments

New and Existing Patients:

Connect Patient Portal

For existing patients, login to make an appointment, view documentation or contact your care provider.

Connect Sign In


155 White Plains Road
Suite 200
Tarrytown, NY 10591
New Patient Appointments:

Insurance Accepted


  • NYP Employee Plan

Quality Health Management

  • Quality Health Management


  • Behavioral Health (Columbia University Employee Plan)

World Trade Center Health Plan

  • World Trade Center Health Plan

*Please contact the provider’s office directly to verify that your particular insurance is accepted.