About Frances Hayes, MBBCH, BAO

Frances Hayes, M.D., is an Associate Professor of Medicine at Harvard Medical School, Interim Chief of Endocrinology at Massachusetts General Hospital and a Fellow of the Royal College of Physicians of Ireland. Her prior research focused on male hypogonadism, a topic on which she has lectured and published widely including being a co-author on the Endocrine Society Clinical Practice Guidelines on testosterone therapy. Her clinical practice includes men and women with the full spectrum of reproductive disorders including PCOS and menopause. She is the Endocrine Director of multi-disciplinary clinics dedicated to the care of patients with Turner syndrome, Klinefelter syndrome and Gender Dysphoria.

Clinical Interests:

Treats:

Locations

Mass General Endocrinology: Reproductive Endocrine Unit
55 Fruit St.
Boston, MA 02114
Phone: 617-726-8720
Phone: 617-726-8433

Mass General Transgender Health Program
50 Staniford Street
Suite 801
Boston, MA 02114
Phone: 617-643-7210

Medical Education

  • MB, BCh, BAO,University College Dublin School of Medicine
  • Residency, St. James Hospital
  • Fellowship, St. Vincent's University Hospital

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

Reviews: Comments and Ratings

4.9out of 5(143 Ratings, 66 Comments)

March 2025

I have been seeing Dr. Hayes for some time now and I have appreciated her help in keeping myself healthy and keeping my bones in order.


March 2025

Dr Hayes is knowledgeable and compassionate. She is a terrific listener and always follows up punctually


March 2025

Every contact has been wonderful and I am grateful for her skill, judgement and knowledge.


March 2025

Dr. Hayes is an excellent provider. She always listens, takes her time, very thorough, and I recommend her highly. I have no problem at all recommending her to anyone. Thank you.


March 2025

Always great care!


March 2025

Doctor Hayes has been my Provider for many years. Doctor Hayes is very knowledgeable and treats her Patients with respect. MGH is very fortunate to have Doctors as wonderful as Dr. Hayes! I have been a patient at MGH for over 30 years. I am proud to have Doctors like Dr. Hayes overseeing my Health.


March 2025

Dr. Hayes was very professional, thorough, and kind.


March 2025

Dr. Hayes cares the patient and takes reaction quickly as the patient's need. I appreciate Dr. Hayes to help me getting the prescription and even called to let me know.


March 2025

Excellent


March 2025

Dr. Hayes was terrific. There is no finer practitioner in her field. I'm perfectly comfortable with her. I would encourage anyone and everyone to avail themselves of Dr. Hayes. Thank you.

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