H. Matthew Cohn, M.D.


H. Matthew Cohn, M.D.


Dr. Cohn is board certified in Internal Medicine and Gastroenterology. His practice encompasses all of Gastroenterology with special interests in colorectal cancer screening and surveillance, inflammatory bowel disease, and alcoholic liver disease.

Dr. Cohn completed his Gastroenterology training at Case Western Reserve University where he was in the Clinical Research Scholars Program, supported by both NIH and internal grant funding. His research focus involved using artificial intelligence to predict clinical outcomes in Crohn’s disease.

Medical Degree

Eastern Virginia Medical School
Norfolk, Virginia


Internal Medicine:
Boston University Medical Center
Boston, Massachusetts


Gastroenterology & Liver Disease
University Hospitals Cleveland Medical Center/Case Western Reserve University School of Medicine
Cleveland, Ohio

Professional Affiliations

American College of Gastroenterology
American Gastroenterological Association

Hospital Affiliations

John T. Mather Memorial Hospital
Port Jefferson, New York

St. Charles Hospital
Port Jefferson, New York

Advanced Surgery Center of Long Island

Contact Details

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Further details

2021 Advanced Surgery Center of Long Island

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