Aaron Schwartz, MD, PhD, is an Assistant Professor in the Department of Medical Ethics and Health Policy and the Department of Medicine at the Perelman School of Medicine. His research focuses on understanding and improving health care efficiency and quality. Recent projects have examined the use of low-value care in Medicare, the incentive properties of hospital performance measures, and the role of private and public insurer coverage rules. Dr. Schwartz pursued combined MD-PhD training at Harvard, where he obtained a PhD in Health Policy (Economics) in 2015 and MD in 2017. He completed his residency in Internal Medicine (Primary Care Track) at Brigham and Women’s Hospital in 2020.