CMHC Faculty Members

Faculty of Tarsus Medical Group are leaders in healthcare

Robert E. Ratner

Robert E. Ratner



Dr. Robert E. Ratner, MD, FACP, FACE is a Professor of Medicine at Georgetown University Medical School in Washington, DC, and recently stepped down after serving 5 years as Chief Scientific & Medical Officer for the American Diabetes Association from 2012-2017.

At the Association, Dr. Ratner provided leadership of scientific and medical activities including research, clinical affairs, program recognition and certification, medical information, and professional education. In this capacity, he oversaw the development of the ADA Clinical Practice Recommendations, clinical consensus reports, and expert opinions.

He completed a sabbatical as a Robert Wood Johnson Foundation Health Policy Fellow, serving as the study director for the Institute of Medicine Comparative Effectiveness Research Priorities Committee, and a program examiner for health reform in the Health Division of the US Office of Management and Budget.

He received his MD from Baylor College of Medicine in Houston, Texas where he also completed his Internal Medicine training. He underwent fellowship training in Endocrinology and Metabolism at Harvard Medical School and the Joslin Diabetes Center in Boston. He was a Principal Investigator for the Diabetes Prevention Program (DPP) and DPP Outcomes Study of the National Institutes of Health (NIH) and served on the Steering Committee for the project nationwide. At Georgetown University, he served on the University Research Committee, and co-chaired the Joint Oversight Committee for Clinical Research.

His research interests include diabetes prevention, therapeutics and complications, with an emphasis on translational efforts from controlled trials into community-based practice. He is the author of more than 190 original scientific articles and 20 book chapters.

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