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Karen Joynt Maddox, MD, MPH

Assistant Professor of Medicine



Additional Titles

  • Assistant Professor, Washington University Brown School of Social Work


  • A.B. Public and International Policy: Princeton University, Princeton, NJ (2000)
  • M.D.: Duke University School of Medicine, Durham, NC (2004)
  • Residency, Internal Medicine: Duke University Medical Center, Durham, NC (2007)
  • Fellowship, Cardiology: Brigham and Women's Hospital, Harvard Medical School, Boston, MA (2011)
  • Research Fellowship, Health Policy: Harvard School of Public Health, Boston, MA (2011)



A.B. with honors, Phi Beta Kappa, Princeton University


Nanaline Duke Scholar, Duke University School of Medicine


Thomas W. Smith Fellow in Heart Failure Research, Division of Cardiovascular Medicine, Brigham and Women’s Hospital


Lerner Research Fellowship for research excellence in junior faculty, Division of Cardiovascular Medicine, Brigham and Women’s Hospital


Secretary’s Award for Meritorious Service, United States Department of Health and Human Services

Clinical Interests

General cardiology; consultative cardiology

Research Interests

I am a health services and health policy researcher whose specific research interests include:

  1. Improving the measurement of the quality and efficiency of physicians, hospitals and health systems.
  2. Understanding the impact of policy interventions on health care, with a focus on value-based and alternative payment models.
  3. Reducing disparities in care, with a focus on vulnerable populations including racial and ethnic minorities, individuals living in poverty, individuals with disabilities, frail elders, and those in rural areas.


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