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Mark L. Graber

Senior Fellow, Health Care Quality and Outcomes

Mark Graber, MD, is a national leader in the field of patient safety and originated Patient Safety Awareness Week in 2003, an event now recognized internationally. Dr. Graber has also pioneered efforts to address diagnostic errors in medicine, and his research in this area has been supported by the National Patient Safety Foundation and the Agency for Healthcare Research and Quality.

In 2008 Dr. Graber founded and chaired the Diagnostic Error in Medicine conference series, in 2011 the Society to Improve Diagnosis in Medicine (, and in 2014 the journal Diagnosis.

He has an extensive background in biomedical and health services research, with more than 80 peer-reviewed publications. Dr. Graber is professor emeritus of medicine at the State University of New York at Stony Brook.


MD, Stanford University School of Medicine; BS (cum laude), Biophysics and Biochemistry, Yale University.

Latest Publications

Graber, M.L. (2015). Electrolyte and Acid-Base Disturbances in Diabetes Mellitus. New England Journal of Medicine, 373 (25):2481-2481.
Singh, H., Graber, M.L., & Graber, M.L. (2015). Improving diagnosis in health care — The next imperative for patient safety. New England Journal of Medicine, :1-3.
Graber, M.L., Siegal, D., Riah, H., Johnston, D., & Kenyon, K. (2015). Electronic Health Record-Related Events in Medical Malpractice Claims. Journal of Patient Safety, Advance Online Publication .
Meyer, A.N., Singh, H., & Graber, M.L. (2015). Evaluation of Outcomes From a National Patient-initiated Second-opinion Program. American Journal of Medicine, 128 (10):1138.25-1138.e33.
Hess, B.J., Lipner, R.S., Thompson, V., Holmboe, E.S., & Graber, M.L. (2015). Blink or think: Can further reflection improve initial diagnostic impressions?. Academic Medicine, 90 (1):112-118.
View all publications by Mark L. Graber (42)


  • Internal Medicine and Nephrology
  • Patient Safety
  • Clinical Decision Support
  • Diagnostic Errors in Medicine