About Joshua Ng, MD, MPH

Dr. Joshua Ng-Kamstra is a surgeon in the Division of Trauma, Emergency Surgery, and Surgical Critical Care. After completing his medical degree at McGill University, he trained in general surgery at the University of Toronto and in critical care medicine at the University of Calgary. He completed the Paul Farmer Global Surgery Research Fellowship in 2015 and holds a Master of Public Health in Quantitative Methods from the Harvard TH Chan School of Public Health. He has practiced in the Canadian provinces of Alberta and Ontario, and most recently at The Queen’s Medical Center in Honolulu, Hawai’i. His research interests include optimal care for surgical patients who have comorbid addictions, complicated intra-abdominal infection, health care financing, and equity in the global provision of surgery and critical care. 

Departments, Centers, & Programs:

Clinical Interests:




Massachusetts General Hospital
55 Fruit St.
Boston, MA 02114
Phone: 617-726-2760

Medical Education

  • MD, McGill University - School of Medicine
  • Residency, Faculty of Medicine University of Toronto
  • Fellowship, University of Calgary School of Medicine

American Board Certifications

  • Surgery, American Board of Surgery
  • Surgical Critical Care, American Board of Surgery

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.


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