John K. Marshall
Expertise in
13
conditions

John K. Marshall

Hamilton, ON, CA 
Expertise in
13
conditions
Hamilton, ON, CA 
OverviewLocationsClinical Research

Overview

John Marshall practices in Hamilton, Canada. Mr. Marshall is highly rated in 13 conditions, according to our data. His top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Ulcerative Colitis, Endoscopy, and Colonoscopy.

His clinical research consists of co-authoring 186 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Gender
Male

Locations

Hamilton, ON, Canada
Other Locations
ON, Canada
St. Michael's Hospital, Toronto, ON, Canada
Kelowna, BC V1V1V7, Canada
Guelph, ON N1G2W1, Canada

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Experts who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

185 Total Publications

Impact of Concomitant Corticosteroid Use on Adverse Events in Ulcerative Colitis Clinical Trials.
Impact of Concomitant Corticosteroid Use on Adverse Events in Ulcerative Colitis Clinical Trials.
Journal: Journal of Crohn's & colitis
Published: August 12, 2025

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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