Aaron Brzezinski, MD, was born in Mexico City and attended medical school at the Universidad Nacional Autonoma de Mexico, receiving his degree in medicine in 1981. He performed his postgraduate training in internal medicine at Hospital Espanol in Mexico City. Dr. Brzezinski moved to Toronto, Canada, to continue training with a residency in internal medicine and a fellowship in gastroenterology. He performed research for one year with Dr. Nicholas Diamant, and completed a special fellowship in inflammatory bowel disease and performed clinical research under Dr. Kursheed Jeejeebhoy and Dr. Jeffrey Baker at the University of Toronto.

Dr. Brzezinski is certified in internal medicine and in Gastroenterology in Canada and the United States, and in 1992 started to work in the Department of Gastroenterology and Hepatology at Cleveland Clinic as Assistant Staff. In 1994, he became a Staff Gastroenterologist.

Through the years, Dr. Brzezinski has been either principal investigator or sub-investigator in numerous clinical trials and has published in peer-reviewed journals and written numerous book chapters. He has lectured extensively within the United States and internationally in Argentina, Brazil, Chile, Dominican Republic, Ecuador, Guatemala,  Mexico, Spain and Turkey.

Dr. Brzezinski actively participates in teaching medical students, residents and fellows. His clinical practice is almost exclusively in inflammatory bowel disease, microscopic colitis and celiac disease. Besides seeing patients in the office, he also performs upper endoscopy (EGD) and colonoscopy.

• Bruce Stewart Fellowship Award
• Premier Physician Award, Crohn's and Colitis Foundation of America, Northeast Ohio Chapter
• Best Doctors in America

Fellowship - University of Toronto Faculty of Medicine

Internal Medicine
Toronto Canada
1988

Residency - University of Toronto Faculty of Medicine

Gastroenterology
Toronto Canada
1987

Medical School - Universidad Nacional Autonoma De Mexico

Mexico Mexico
1981

• Internal Medicine
• Internal Medicine- Gastroenterology

• Honorable Mention, Dean's List, Universidad Nacional Autonoma de Mexico, 1980 
• Elsie Watt Fellowship, Department of Medicine, Toronto Western Hospital, 1987 – 1988
• Jean Hogarth Springer Postgraduate Fellowship, Faculty of Medicine, University of Toronto,
  1987 – 1988 
• International Physician of the Year, International Center, Cleveland Clinic, 1998
• Bruce Stewart Fellowship Award, Cleveland Clinic, 2002 – 2003  
• Premier Physician Award, Crohn's and Colitis Foundation of America, Northeast Ohio Chapter, 2003
• Physician of the Year, Department of Gastroenterology and Hepatology, Cleveland Clinic, 2004
• Best Doctors, Cleveland magazine, 2004 – 2008
• Best Doctors in America, 2004 – 2008

• American College of Gastroenterology
• Royal College of Physicians and Surgeons of Canada
• American Gastroenterological Association
• American College of Physicians
• Crohn's and Colitis Foundation of America, honorary member Board of  Directors, Northeast Ohio Chapter~

• Colonoscopy
• Egd
• Endoscopy
• Esophageal Band Ligation
• Flexible Sigmoidoscopy
• Ileoscopy
• Nuclear Scintigraphy For Evaluation Of Whole Gut Motility
• Polypectomy
• Pouchoscopy
• Variceal Band Ligation

• Celiac Disease (Celiac Sprue)
• Collagenous Colitis
• Crohn's Disease
• Eosinophilic Gastroenteritis
• Inflammatory Bowel Disease (IBD)
• Microscopic Colitis
• Ulcerative Colitis

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical education about recent trends. The collaborations are reviewed as part of the Cleveland Clinic’s procedures. The Cleveland Clinic publicly discloses payments to its physicians and scientists for speaking and consulting of $5,000 or more per year, and any equity, royalties, and fiduciary relationships in companies with which they collaborate. The Cleveland Clinic requires its doctors to approve the public disclosures of their scientific collaborations with industry. As of 10/24/2008 the review process regarding Dr. Brzezinski’s disclosure had not been completed. Patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by the Cleveland Clinic. To learn more about the Cleveland Clinic’s policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

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