About Markella Zanni, MD

Dr.  Markella Zanni is an Associate Professor of Medicine at Harvard Medical School and the Director of Women’s Health Research in the Metabolism Unit at Massachusetts General Hospital. Dr. Zanni received her A.B. from Harvard College and her M.D. from Harvard Medical School. Her research has been recognized by grants from the National Institutes of Health, the Harvard Catalyst, the Harvard University Center for AIDS Research, and the Nutrition Obesity Research Center at Harvard. Moreover, Dr. Zanni has been named a Claflin Distinguished Scholar at Massachusetts General Hospital.

Departments, Centers, & Programs:

Clinical Interests:




Mass General Endocrinology: Neuroendocrine & Pituitary Tumor Clinical Center
55 Fruit St.
Boston, MA 02114
Phone: 617-726-7948

Medical Education

  • MD, Harvard Medical School
  • Residency, Brigham and Women's Hospital
  • Residency, Brigham and Women's Hospital
  • Fellowship, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital

American Board Certifications

  • Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine

Accepted Insurance Plans

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Dr. Zanni’s translational research centers on elucidating immune and hormonal processes predisposing aging women to myocardial infarction and heart failure. She is also an expert on sex-differences in the development of cardiovascular diseases. Dr. Zanni’s work is geared toward identifying rational, sex-specific strategies to prevent cardiovascular diseases among special populations of women, including women with HIV. 



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