Marie E. McDonnell, MD

Marie E. McDonnell, MD, is chief of the Diabetes Section in the Division of Endocrinology, Diabetes and Hypertension at Brigham and Women’s Hospital and Harvard Medical School in Boston, MA. She is also the current director of the Diabetes Program at Brigham Health. Dr McDonnell is a graduate of Boston University School of Medicine. She completed the NewYork-Presbyterian Hospital-Columbia residency program and an endocrinology fellowship at Boston Medical Center.

Her clinical research focus is health outcomes of scalable diabetes care delivery services in the acute and ambulatory settings. Dr McDonnell’s recent major interest is bridging care gaps for patients with cancer and diabetes. She has served on several national and guideline committees and is the current chair of the Endocrine Society Clinical Practice Guidelines Committee.