About Antonia Stephen, MD

Dr Antonia Stephen received her medical degree from Harvard Medical School and subsequently completed her general surgical residency at the Massachusetts General Hospital and an endocrine surgical fellowship at the Cleveland Clinic. She then joined the surgical staff at the Massachusetts General Hospital in the Division of Surgical Oncology. Her clinical practice is focused on the surgical management of patients with endocrine tumors and she is a member of the MGH Endocrine Surgery Unit, the highest volume center in the country focused on surgery of the thyroid, parathyroid, and adrenal glands. Her particular areas of clinical expertise are in minimally-invasive parathyroid surgery, the treatment of thyroid cancer, and laparoscopic adrenal surgery. She also performs in-office ultrasound and ultrasound-guided biopsies of thyroid nodules and parathyroid tumors.

Clinical Interests:

Treats:

Locations

Mass General Surgery: Surgical Oncology
55 Fruit St.
Yawkey Center for Outpatient Care
7th Floor
Boston, MA 02114
Phone: 617-724-4000

Medical Education

  • MD, Harvard Medical School
  • Residency, Massachusetts General Hospital
  • Fellowship, Cleveland Clinic

American Board Certifications

  • Surgery, General, American Board of Surgery

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


Research

Dr. Stephen's research interests are focused on thyroid and parathyroid tumors. Her primary areas of investigation include the diagnosis of thyroid nodules, specifically the pre-operative differentiation of malignant and benign thyroid tumors. She has conducted original research on the topic of parathyroid localization with sestamibi/parathyroid scanning and four-dimensional computed tomography. She also manages the endocrine surgical database, a hospital-wide program that is utilized in clinical research studies

Reviews: Comments and Ratings

4.9out of 5(139 Ratings, 53 Comments)

April 2025

Overall, I was very pleased with the experience.


March 2025

My name is [redacted] This gives me a sense of how the doctor behaved. She was very kind, and I appreciate all the work she did. Thank you, God bless you.


March 2025

Dr Stephen was direct and succinct, an approach that I like.


March 2025

Dr. Stephen treated me with great professionalism. She clearly is an outstanding doctor.


March 2025

Dr. Stephen was exceptional- she explained things clearly, listened to my questions, and answered those questions thoughtfully. I hope all of my appointments with doctors are like that.


March 2025

Extremely attentive, reassuring, and excellent listener.


February 2025

Very professional and caring


February 2025

My first appointment. She seemed knowledgeable, organized and was a good listener and communicator.


February 2025

I was very pleased with the care provided by Antonia Stephen and I look forward to my surgery in the month of April. Thank you.


February 2025

Dr Antonia Stephen was Good listener explained well ,knowledgeable and would definitely choose her if I feel surgery needed

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