Long Island Digestive Disease Consultants | Gastroenterologists Practicing Gastroenterology logo for print
SETAUKET OFFICE: 8 Technology Drive • Suite 101 • Setauket, NY 11733
WADING RIVER OFFICE: 271 Route 25A • Suite 1 • Wading River, NY 11792
Phone: (631) 751-8700 • Fax: (631) 751-5971

Long Island Digestive Disease Consultants | Gastroenterologists Practicing GastroenterologyMember of Northwell Health Physician Partners®


H. Matthew Cohn, M.D.

H. Matthew Cohn, M.D. of Long Island Digestive Disease ConsultantsDr. 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:

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