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Elizabeth (Betsy) O’Donnell, MD

Medical Oncology

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Elizabeth (Betsy) O’Donnell, MD


  • Director of Early Detection and Prevention of Malignant Conditions
  • Physician
  • Assistant Professor of Medicine, Harvard Medical School


Clinical Interests

  • Exercise
  • Lifestyle medicine
  • Quality of life

Diseases Treated

Contact Information

  • Appointments617-632-3823


Dr. O’Donnell received her medical degree from Vanderbilt University. She completed her residency in internal medicine at the Beth Israel Deaconess Medical Center where she served an additional year as a Chief Resident. She completed her fellowship in hematology and oncology at Dana-Farber Cancer Institute. She is the Director of Early Detection and Prevention at Dana-Farber and an Assistant Professor of Medicine at Harvard Medical School. She specializes in plasma cell disorders with a particular interest in lifestyle medicine and patient and caregiver quality of life.

Board Certification:

  • Internal Medicine, 2010
  • Lifestyle Medicine, 2021
  • Medical Oncology, 2015


  • Dana-Farber Cancer Institute


  • Beth Israel Deaconess Medical Center

Medical School:

  • Vanderbilt University School of Medicine


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