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  • Office

    4641 Main St
    Ste 1
    Bridgeport, CT 06606
    Phone+1 203-374-4966
    Fax+1 203-371-7024

Education & Training

  • Bridgeport Hospital/Yale University
    Bridgeport Hospital/Yale UniversityFellowship, Gastroenterology, 1977 - 1979
  • Bridgeport Hospital/Yale University
    Bridgeport Hospital/Yale UniversityResidency, Internal Medicine, 1976 - 1977
  • SUNY Downstate Health Sciences University
    SUNY Downstate Health Sciences UniversityResidency, Internal Medicine, 1974 - 1976
  • Georgetown University School of Medicine
    Georgetown University School of MedicineClass of 1974
  • Queens College of the City University of New York
    Queens College of the City University of New YorkB.A., Biology, 1967 - 1970

Certifications & Licensure

  • CT State Medical License
    CT State Medical License 1977 - 2025
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

  • Greenwich Magazine Castle Connolly, 2013-2014
  • Top Doctors: New York Metro Area Castle Connolly, 2012-2014
  • Dr. Ramon E. Betances Medical Award for Community Service 2006
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Publications & Presentations

PubMed

Journal Articles

  • Duodenal MAI and Whipple Disease: Endoscopic Differences and Pathologic Similarity  
    Al Kharrrat H, Nelson A, Kaufman D, Roberts I, Am J Gastro, 1/1/2002
  • Herpetic Esophagitis secondary to Infleximab Infusion  
    Tabrez, S. Balta, O Alkarrat, H, Nelson A, Grayer D, Roberts I, AJG, 1/1/2001
  • Mesenteric Venous Thrombosis – A Diagnosis not to be missed!  
    Choudhary, AM, Grayer D, Roberts, I, J. Clin Gastroenterol, 1/1/2000
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