About Michelle Rengarajan, MD, PhD

Dr. Rengarajan received an B.A. from the University of Chicago and an M.D. and Ph.D. from Stanford University. She completed her residency in Internal Medicine at Brigham and Women’s Hospital and her endocrinology fellowship at Massachusetts General Hospital. 

Dr. Rengarajan specializes in treating endocrine disorders, with a particular focus on thyroid disorders, endocrine autoimmunity, and immunotherapy toxicities. She is an attending in MGH Thyroid Associates and on the Severe Immunotherapy Complications team. 

Dr. Rengarajan conducts translational research on thyroid cancer as well as autoimmune endocrine diseases, such as Hashimoto’s thyroiditis, Graves disease and type 1 diabetes. She additionally is involved in clinical and translational research related to endocrinologic complications of cancer immunotherapy.


Clinical Interests:



Mass General Endocrinology: Thyroid Associates
55 Fruit St.
Wang Ambulatory Care Center
Suite 730
Boston, MA 02114
Phone: 617-726-3872

Medical Education

  • MD, Stanford University School of Medicine
  • 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.




  • https://www.ncbi.nlm.nih.gov/myncbi/michelle.rengarajan.1/bibliography/public/

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