Dr. Daniel Tsze is a board-certified pediatric emergency medicine physician and Associate Professor of Pediatrics (in Emergency Medicine) at the Columbia University Irving Medical Center. He currently practices in the Pediatric Emergency Department at the NYP-Morgan Stanley Children's Hospital.

Dr. Tsze conducts research that aims to improve and optimize the treatment of pain and distress and provision of procedural sedation for children in the emergency department. His specific areas of interest include intranasal analgesics and sedatives, the psychometric properties and clinical interpretation of self-report and observational measure of pain in children, integrative strategies for treating pain and distress, and the evaluation and treatment of headaches in children. He is involved nationally in the Society for Pediatric Sedation as Chair of the Research Committee and a member of the Board of Directors and Executive Committee. He is currently the Principal Investigator of the PECARN HEADACHE study (Headache Assessment of Children for Emergent Intracranial Abnormalities), an NINDS R01 that aims to prospectively derive and internally validate a risk stratification model for identifying the risk of emergent intracranial abnormalities in children presenting with headaches to one of 18 emergency departments in PECARN.

Dr. Tsze received his MD from the University of British Columbia and his MPH from Brown University. He completed his Pediatric residency training at BC Children's Hospital and his Pediatric Emergency Medicine fellowship at Hasbro Children's Hospital.