Dr. Colleen Harrington earned her medical degree from Drexel University College of Medicine and was inducted into the Alpha Omega Alpha Honor Society. She was the recipient of The Janet M. Glasgow Memorial Achievement Citation of the American Medical Women’s Association for academic excellence, The Beatrice Sterling Hollander, MD Award for leadership, high character and creativeness in the medical profession and the William Likoff, MD Award for distinction in the care of medical patients and academic excellence

She completed her clinical training in Internal Medicine at Johns Hopkins Hospital and received the Normal D. Anderson Award by the Osler Internal Medicine Residency for outstanding, compassionate care in the ambulatory setting. She served as chief resident (Assistant Chief of Service) of the Osler Medicine House Staff Program and Instructor of Medicine of the Johns Hopkins University School of Medicine. She then completed her cardiovascular fellowship at Johns Hopkins Hospital which included an advanced fellowship in echocardiography and coronary CT angiography. 

Prior to joining Massachusetts General Hospital, Dr. Harrington was an Assistant Professor of Medicine at Johns Hopkins University School of Medicine and then at the University of Massachusetts Chan Medical School where she was awarded the Early Career Achievement Award in Medicine and Research in 2020. She also served as the Associate Program Director of the cardiovascular fellowship program and Co-Director of the cardiovascular disease and pregnancy clinic. 

Dr. Harrington is a faculty member of the Women’s Hearth Health Program and Cardio-Obstetrics Program at Massachusetts General Hospital.  She is an Associate Program Director of the MGH cardiovascular fellowship program. Her clinical and research interests include cardiovascular disease in women, cardio-obstetrics, preventive cardiology, and noninvasive cardiovascular imaging. She is board certified in Internal Medicine, Cardiovascular Medicine, Echocardiography and Coronary CT angiography. She is the current Governor of the Massachusetts Chapter of the American College of Cardiology.