Dr. Dana O'Toole is a Pediatric Allergist and Immunologist and an Assistant Professor of Clinical Pediatrics at Weill Cornell Medicine and an Assistant Attending Pediatrician at NewYork-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. O'Toole completed her undergraduate degrees (B.A., B.S.) at Villanova University in Biology and Psychology, followed by her medical degree (M.D.) at SUNY Upstate Medical University. She completed her residency training in Pediatrics at NewYork-Presbyterian Hospital/Weill Cornell Medical Center where she received the Senior Resident Award for Teaching Excellence. She completed her fellowship training in Allergy and Immunology at NewYork-Presbyterian Hospital/Columbia University Irving Medical Center.

Dr. O'Toole has a wide range of expertise in allergic and immunologic conditions with a particular clinical interest in allergic skin conditions such as atopic dermatitis and urticaria. Her research interests include quality of life and social determinants of health in allergic and immunologic conditions. She has been published in a number of peer-reviewed journals and has presented her work at national meetings.