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Callender, Glenda Grace, MD, FACS





Providing the best care to our patients and their companions requires communicating in a way everyone understands. Interpreter services are available 24 hours a day, 7 days a week, 365 days a year. All spoken languages are available, as well as American Sign Language (AS/L).

Accepting New Patients
  • Surgical Oncology
  • Endocrine Surgery

Areas of Expertise
Adrenal Disease, Minimally Invasive Parathyroidectomy, Parathyroid Disease, Thyroid Diseases, Thyroidectomy


MD Anderson Cancer Center
MD Anderson Cancer Center

University of Chicago Medical Center

Medical School
Harvard Medical School

University of Chicago Medical Center

Professional Organizations

  • New England Surgical Society, Member
  • International Association of Endocrine Surgeons, Member
  • American College of Surgeons, Fellow
  • American Association of Endocrine Surgeons, Member
  • Society of Surgical Oncology, Member


Verified Patient Reviews

5 out of 5 stars

Did not see dr. after procedure!! F/U visit was pretty hurried.

5 out of 5 stars

I received great care by nurse & doctor. I will be more than happy to recommend.

5 out of 5 stars

*Dr. Callender is an exceptional healthcare provider.

5 out of 5 stars

Surgery was discussed in detail and all my questions were answered completely without rushing.

5 out of 5 stars

Went above and beyond to explain what the issue was. Respectful, kind and compassionate!

5 out of 5 stars

I already do recommend this dr. & hospital.

5 out of 5 stars

Dr C is really good at explaining things & she listened to my concerns & addressed them accordingly. I feel like I'm in good hands.

5 out of 5 stars

*Dr. Callender is such a wonderful, caring dr. She listened was reassuring, kind, did everything to make me feel at ease, surgery is a scary thing, but she knows this and does all she can to make it less scary. One of the best doctors I've ever met!

5 out of 5 stars

All of my questions and concerns were answered. All phases of my upcoming operation were thoroughly explained.

Other Reviews from Around the Web

5 out of 5 stars

Extremely attentive, answered all of my questions, calming, empathetic yet professional. I would HIGHLY recommend her!

5 out of 5 stars

Dr. Callendar is very knowledgeable & helped understand what I needed. She is a great doctor & I know I'm in good hands!

5 out of 5 stars

Dr Callender is such a caring and experienced surgeon. She took very good care of me and her staff is amazing I recommend her highly you are in the best hands with her.

5 out of 5 stars

Dr Callender is a great doctor and very reassuring. Very happy she is my doctor

5 out of 5 stars

Dr. Glenda Callender and her staff are extremely thorough and attentive. I would highly recommend her.


Dr. Glenda Callender is one of two fellowship-trained endocrine surgeons with the Hartford HealthCare Cancer Institute, working at St. Vincent’s Medical Center in Bridgeport.

Coming to Hartford HealthCare from Trinity Health of New England, Dr. Callender is a high-volume endocrine surgeon with more than 10 years’ experience.

Dr. Callender’s clinical areas of interest include: all types of thyroid surgery, particularly for advanced or recurrent thyroid cancers; parathyroid surgery including minimally-invasive parathyroidectomy and reoperative parathyroidectomy; and adrenal surgery for benign nodules or adrenal cancers, including posterior retroperitoneoscopic adrenalectomy.

She has also been very active in the field of academic surgery, previously serving as associate professor in the Department of Surgery at Yale University, where she was the director of endocrine surgical oncology clinical trials for six years. She is a widely-published and sought-after speaker in her field, and has participated in a variety of clinical research trials.

She earned her undergraduate degree from the University of Pennsylvania, where she was elected to Phi Beta Kappa, and her medical degree from Harvard Medical School. She completed internship and residency in general surgery at the University of Chicago Medical Center, where she served as administrative chief resident in her final year. She also completed fellowships in endocrine surgery and surgical oncology at MD Anderson Cancer Center in Houston, Texas, earning a clinical excellence award and mid-level providers’ appreciation award.

Dr. Callender’s research has included new treatments for thyroid cancer, endocrine surgical oncology outcomes and genetic studies of endocrine tumors.

She is board-certified by the American Board of Surgery, and is a member of the American College of Surgeons, American Association of Endocrine Surgeons, International Association of Endocrine Surgeons, Society of Surgical Oncology, and New England Surgical Society. She has served as a reviewer for articles submitted to a variety of professional journals, including World Journal of Surgery, Surgery, Journal of the American College of Surgeons and Annals of Surgical Oncology.



Aetna, Anthem, BCBS Medicare, CarePartners of Connecticut, Cigna Healthcare, Colonial Cooperative Care, Community Health Network of Connecticut, Inc., Connecticare, Connecticare Commercial, Connecticare Medicare, Corvel, Coventry, Essence Healthcare, Evercare, First Health Group Corp., Focus, Harvard Pilgrim, Health Connecticut, Health Direct, Health New England, Healthy Connecticut, HMC/ Northeast Healthcare, Medspan Commercial, Medspan Medicare, Multiplan, Northeast Health Direct, One Health Plan/ Great-West Healthcare, Oxford Health Plans, Prime Health Services, Private Health Care Systems, Inc., Senior Whole Health, United Healthcare, WellCare of Connecticut, Inc.

This information is subject to change at any time. Please check with your insurance provider before scheduling your appointment or receiving services to confirm they are a participating member of the Hartford HealthCare network.