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O’Donnell, Elizabeth (Betsy), MD

Director of Lifestyle Medicine, MGH Cancer Center
Associate Director of Survivorship, MGH Cancer Center
Medical Oncologist in the Multiple Myeloma Disease Center, MGH Cancer Center
Instructor, Harvard Medical School


Dr. Betsy O’Donnell is a medical oncologist specializing in multiple myeloma and the Director of the Lifestyle Medicine Clinic at the Massachusetts General Hospital.  Her career is focused on clinical trial development within the field of multiple myeloma oncology and on the lifestyle needs of patients with cancer.  Dr. O’Donnell is a three sport All-American athlete who has channeled her passion for athletics into the development of a Lifestyle Medicine Clinic within the MGH Cancer Center in 2016. She created this clinic to offer patients the opportunity to address survivorship needs such as physical deconditioning and weight loss.   Her goal is to empower cancer patients to reach their optimal level of wellness before, during, and after cancer treatment.

Dr. O’Donnell graduated with a Bachelor of Arts from Yale University and completed her medical degree at Vanderbilt University.   She completed her medical training at Beth Israel Deaconess Medical Center where she served as a Chief Resident in internal medicine and in the Dana-Farber/Partners program for her oncology fellowship.  Dr. O’Donnell also serves as the Associate Director of Survivorship with an interest in patient quality of life and well-being.