About Nicholas Tritos, MD, DSC

Dr. Tritos is a staff neuroendocrinologist in the Neuroendocrine and Pituitary Tumor Clinical Center and a faculty member in the Neuroendocrine Unit at the Massachusetts General Hospital. He serves as an Associate Professor of Medicine at Harvard Medical School. He also conducts clinical research with a focus on pituitary tumors and growth hormone deficiency in adults. He is the author or co-author of 150 peer-reviewed publications in endocrinology, and an associate editor, editorial board member and regular peer-reviewer for professional journals. He has been regularly serving on professional and scientific committees (Endocrine Society, Pituitary Society and AACE).

Departments, Centers, & Programs:

Clinical Interests:

Treats:

Languages:

Locations

Mass General Endocrinology: Neuroendocrine & Pituitary Tumor Clinical Center
100 Blossom Street
Cox Building
Suite 140
Boston, MA 02114
Phone: 617-726-7948

Medical Education

  • MD, University of Athens School of Medicine
  • Residency, New England Deaconess Hospital
  • Fellowship, Beth Israel Deaconess Hospital

American Board Certifications

  • Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine
  • Internal Medicine, American Board of Internal Medicine

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


Research

Dr. Tritos conducts clinical research with a focus on pituitary tumors and growth hormone deficiency in adults. He is the author or co-author of 150 peer-reviewed publications in the field of endocrinology, associate editor, editorial board member and a regular peer-reviewer for professional Journals.

Publications

  • Selected publications:

    N.A. Tritos, P.W. Schaefer, T.D. Stein. Case records of the Massachusetts General Hospital. A 52 year old man with weakness, infections, and enlarged adrenal glands. NEJM 2011; 365: 2520-2530.

    N.A. Tritos, S.L. Greenspan, D. King, A. Hamrahian, D.M. Cook, P.J. J?nsson, M.P. Wajnrajch, Maria Koltowska ? H?ggstrom, B.M.K. Biller. Unreplaced sex steroid deficiency, corticotropin deficiency and lower IGF-1 are associated with lower bone mineral density in adults with growth hormone deficiency. JCEM 2011; 96: 1516 - 1523.

    P.B. Silva PB, F.G. Amlashi, E.W. Yu, K.J. Pulaski-Liebert, A.V. Gerweck, P.K. Fazeli, E. Lawson, L.B. Nachtigall, B.M.K. Biller, K.K. Miller, A. Klibanski, M. Bouxsein, N.A. Tritos. Bone microarchitecture and estimated bone strength in men with active acromegaly. EJE 2017; 177: 409 ? 420.

    B.P. Galm, E.L. Martinez-Salazar, B. Swearingen, M. Torriani, A. Klibanski, M.A. Bredella, N.A. Tritos. MRI texture analysis as a predictor of tumor recurrence or progression in patients with clinically non-functioning pituitary adenomas. EJE 2018; 179: 191-198.

    A. Faje, K. Reynolds, L. Zubiri, D. Lawrence, J. Cohen, R. Sullivan, L. Nachtigall, N.A. Tritos. Hypophysitis secondary to nivolumab and pembrolizumab is distinct from ipilimumab-associated hypophysitis. EJE 2019; 181: 211 ? 219.

    B.P. Galm, N. Qiao, A. Klibanski, B.M.K. Biller, N.A. Tritos. Accuracy of laboratory tests for the diagnosis of Cushing's syndrome. JCEM 2020; 105: 2081-2094.

    N. Ershadinia, N.A. Tritos. Diagnosis and treatment of acromegaly: an update. Mayo Clin Proc 2022 28: 572 ? 577.

    N.A. Tritos, K.K. Miller. Diagnosis and management of pituitary adenomas: a review. JAMA 2023 329: 1386 ? 1398.

Reviews: Comments and Ratings

4.9out of 5(178 Ratings, 78 Comments)

March 2025

Dr. Tritos is spectacular. I've been seeing him for years and have a great deal of trust in him and in his expertise.


February 2025

Dr. Tritos is the best. Competent, kind. I'm sorry I only see him once a year.I have the utmost confidence in his care. And I love his Staff!


February 2025

Dr. Tritos is an excellent physician. Thoughtful and holistic. Primary car physicians should learn from this specialist. He's exceptional.


February 2025

Dr. Tritos is not only a great doctor but a better human being. Always listening and caring. Not looking at his watch. We definitely need more doctors like him.


January 2025

Friendly, professional and interested in my wellbeing, he offered his advice and continues to care and enhance my good health and proposed treatments that can help.


January 2025

Honest and informative


January 2025

It's always nice to see Dr. Tritos, he always listens and takes the time to answer all my questions and explain everything carefully.


January 2025

Dr Tritos was very kind and considerate. Did not feel rushed at all with the appointment. I felt like he listened very well and has an incredible interaction with patients


January 2025

Excellent provider. Explains things in an easy to understand manner. Discussed all concerns.


December 2024

The initial contact with the nurses and staff was very impressive.

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