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, 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(142 Ratings, 55 Comments)

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


February 2025

I am very happy about the treatment and the care from Dr. Stephen and the nurse. I am very, very happy, and they really, really care and listen. I am happy and proud of the service.


February 2025

The doctor was very attentive and thorough and went through my entire case so I could understand what the diagnosis was and what the care plan and the recommendations were. Spoke to different treatment options and again was very competent.


February 2025

I like working with Dr. Stephen. She listens very carefully. She takes my concerns into consideration and she's incredibly patient. I came back on more than one occasion with additional questions and she's answered them and addressed my concerns every time.


February 2025

appreciate the candor, timeliness and respect along with DR STephen's expertise


February 2025

She was amazing. She took the time to listen to my health history and concerns. I am happy that my care is in her hands.


January 2025

I can always trust Dr Stephen's knowledge of my condition.

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