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.

Clinical Interests:




Neuroendocrine and Pituitary Tumor Clinical Center
55 Fruit Street
Cox 140
Boston, MA 02114-2696
Phone: 617-726-7948
Fax: 617-726-1241

Medical Education

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

American Board Certifications

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

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


View my most recent research

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.