About

Mary McDonald, MD is an independent, board certified gastroenterologist with over 20 years of experience treating diseases of the GI tract, liver, and pancreas. Areas of special interest include colon cancer prevention, inflammatory bowel disease, gastroesophageal reflux disease, Barrett's esophagus, ... Read More

Education

Education
Medical College of Wisconsin
Internship
Baylor College of Medicine
Fellowship
University of Washington

Qualifications

Hospital Affiliations
Ascension St Elizabeth Hospital - WI
Ascension Calumet Hospital - WI
Ascension Mercy Hospital - WI
Ascension St Elizabeth Hospital Surgery Center
Why Ascension
Ascension doctors are committed to getting to know you. They take time for real back-and-forth conversations with you so they can understand all aspects of you and your life. Because great care starts with seeing your whole picture.
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