About Toby Nagurney, MD

Dr. John T. Nagurney, attending physician at the Massachusetts General Hospital Department of Emergency Medicine, received his M.D. from Cornell University Medical College. He also has a MPH from Harvard University School of Public Health. Dr. Nagurney completed his residency at The New York Hospital- Cornell University Medical Center and the Memorial Sloan-Kettering Hospital. He also completed a fellowship in Public Health and General Internal Medicine and Ambulatory Care at The New York Hospital's Cornell University Medical Center.

Dr. Nagurney was the Research Director  for the Department of Emergency Medicine  from 1995 to 2017, at which time he became Research Director Emeritus.  He remains an active researcher and teacher and mentors faculty and residents in research design and methodology.   He  also developed a curriculum in research methodology  for fellows and taught  approaches to research for the Harvard Affiliated Emergency Medicine Residency program.

Departments, Centers, & Programs:

Clinical Interests:



Emergency Medicine**
55 Fruit Street
Boston, MA 02114-2696
Fax: 617-724-0917

Medical Education

  • MD, Weill Cornell Medical College
  • Residency, Cornell University Medical Center
  • Fellowship, Cornell University Medical Center

American Board Certifications

  • Internal Medicine, American Board of Internal Medicine
  • Emergency Medicine, American Board of Emergency Medicine

Accepted Insurance Plans

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


Dr. Nagurney has conducted clinical research, and over the last twenty-five years has written or been a coauthor on over 120 manuscripts. He has also mentored medical students, residents, fellows and junior faculty. He has been a funded co investigator on multiple NIH RO 1 and AHRQ grants and has performed many industry-sponsored studies as well. Dr. Nagurney became the ED's Research Director in 1995. He joined the Partners IRB in 1998, and has represented the department on the HMS- DEM Research Committee, serving three terms as chairman. In his current role as Research Director Emeritus for the Department of Emergency Medicine, he mentor faculty and fellows in research design, methodology, and human subjects considerations.