Karen Joynt Maddox, MD, MPH

Assoc. Professor of Medicine, Cardiology,  & Asst. Professor

Washington University School of Medicine & Washington University’s Brown School of Social Work

Karen Joynt Maddox, MD, MPH is Associate Professor of Medicine in the division of cardiology at the Washington University School of Medicine and Assistant Professor in Washington University’s Brown School of Social Work. She is also Co-Director of the Center for Advancing Health Services, Policy & Economics Research. Dr. Joynt Maddox’s research interests include improving the measurement of the quality and efficiency of physicians, hospitals, and health systems; understanding the impact of policy interventions on health care, with a focus on value-based and alternative payment models; and reducing disparities in care, with a focus on vulnerable populations. Dr. Joynt Maddox has authored more than 250 articles featured in the National Institute of Health Library of Medicine. She completed her residency at Duke University Medical Center, her fellowship in cardiology at the Brigham and Women’s Hospital, and a research fellowship in health policy at the Harvard Medical School.