Gregory Hundemer

Gregory Hundemer

MD, MPH

Scientist, Inflammation and Chronic Disease

Ottawa Hospital Research Institute

Associate Professor, Medicine

University of Ottawa

Staff Nephrologist

The Ottawa Hospital

Lorna Jocelyn Wood Chair for Kidney Research

The Ottawa Hospital

Contact

6137388400 x82716

Bio

Dr. Hundemer is a Scientist in the Inflammation and Chronic Disease Program at the Ottawa Hospital Research Institute, an Associate Professor in the Department of Medicine with cross-appointment in the School of Epidemiology and Public Health at the University of Ottawa, and a staff nephrologist at the Ottawa Hospital. He received his M.D. from Vanderbilt University (2007) and M.P.H. from Johns Hopkins University (2011). Following medical school, he served 4 years as a flight surgeon in the United States Air Force. He then completed his internal medicine residency at Massachusetts General Hospital (2015) and nephrology fellowship at the combined Massachusetts General Hospital and Brigham & Women’s Hospital Joint Nephrology Fellowship Program (2018). He has received a number of research honors including the John H. Laragh Research Award, University of Ottawa Faculty of Medicine Early Career Clinical Researcher of the Year, University of Ottawa Department of Medicine Early Career Research Award, Hypertension Canada Jacques de Champlain New Investigator Award, Canadian Society of Nephrology New Investigator Award, KRESCENT New Investigator Award, and the International Aldosterone Society Young Investigator Award. His research has been funded by CIHR, NIH, Kidney Foundation of Canada, TOHAMO, and the Lorna Jocelyn Wood Chair for Kidney Research. He also currently serves as Co-Chair for the Hypertension Canada Clinical Practice Guidelines Committee.

Research Goals and Interests

Dr. Hundemer's research interests focus on aldosterone-mediated cardiovascular and kidney disease. In particular, he is interested in the pathophysiology of both overt and subclinical forms of aldosterone excess, how to identify these patients, and treatment strategies to improve their long-term health outcomes.


News


Publications

Authors' Reply: Aldosterone-to-Renin Ratio and eGFR Decline: Sensitivity to the Renin Assay Floor

2026-04-01 Go to publication

Response by Hundemer and Vaidya to Letter Regarding Article, “Subclinical Primary Aldosteronism and Major Adverse Cardiovascular Events: A Longitudinal Population-Based Cohort Study”

2026-03-31 Go to publication

Analytical Models to Optimize Tacrolimus Dosing in Solid Organ Transplantation: A Systematic Review

2026-03-01 Go to publication

Rethinking Primary Aldosteronism: The 2025 John H. Laragh Research Award

2026-03-01 Go to publication

Related Research at The Ottawa Hospital