Dr. Jack Mysior, MD | Gastro

Physician Website
Dr Jack Mysior, MD | Gastro

Physician Phone Numbers

Office 802-864-7483

Dr. Jack Mysior, MD


Dr. Mysior practices gastroenterology with a special interest in gastric and colorectal cancer screening and inflammatory bowel disease. He graduated with a degree in Physiology from McGill University and completed medical school in his native Poland at Jagiellonian University Medical College. Dr. Mysior served as Chief Resident during his Internal Medicine residency at Yale University - Norwalk Hospital. He went on to complete fellowship in Gastroenterology at Yale University - Bridgeport Hospital where he participated in interinstitutional interdisciplinary IBD training. After fellowship, Dr. Mysior practiced in Anchorage, Alaska, serving patients from across the state. 

Dr. Mysior speaks fluent English, French, and Polish, as well as proficient Spanish. Outside of work he enjoys spending time in the outdoors with his family.


McGill University, Bachelor of Science in Physiology; focus on Kinesiology, 2006
Jagiellonian University College of Medicine, Doctor of Medicine, 2010
Norwalk Hospital-Yale University, Internal Medicine Residency, 2013
Bridgeport Hospital-Yale University, Gastroenterology Fellowship, 2017

Hopsital Privileges

University of Vermont Medical Center

Common Procedures

Colonoscopy (with biopsy), Colonoscopy (with lesion removal), Diagnostic Colonoscopy, Screening Colonoscopy (no biopsy), Upper Gastrointestinal Endoscopy (with biopsy).

Colorectal cancer screenings improve health by detecting early-stage colorectal cancers and precancerous lesions in people with no prior history of cancer. The object of these procedures is to reduce colorectal cancer incidence and mortality.   Colonoscopies are an effective way to screen for colon cancer because they have high sensitivity for early cancer detection, require only a single-session diagnosis and treatment, and have long intervals between examinations in patients who are over the age of 50.  For patients with symptoms or positive screening tests, a diagnostic colonoscopy is generally the best choice for examination. 

Upper endoscopy is primarily used as a diagnostic tool to permit visual inspection of the esophagus, stomach, and small intestines, which can be viewed by a thin flexible tube inserted through the mouth.  Upper endoscopy can be used to diagnose, and sometimes treat problems associated with acid reflux, difficulty swallowing, ulcers, abnormal growths, obstructions, inflammation, celiac disease and hiatal hernia. Upper endoscopy also includes certain therapeutic procedures such as removal of polyps, which can be cancerous.

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