Ype P. de Jong, M.D., Ph.D.


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Personal Statement

Dr Ype de Jong is an Assistant Professor of Medicine at the Sanford I. Weill Medical College of Cornell University and an Attending Physician, New York-Presbyterian Hospital Cornell campus. He joined the faculty after completing his Internal Medicine and Gastroenterology training at Mount Sinai Hospital, New York. In his patient practice Dr. de Jong's interests include viral hepatitis, Primary Biliary Cirrhosis, and Non-Alcoholic Fatty Liver Disease as well as liver disease associated with Inflammatory Bowel Disease. In addition he is trained in general Gastroenterology, including endoscopy and colon cancer screening. His research interests are geared to better understanding how hepatitis viruses can evade the immune system and are able to chronically persist in a subset of those infected. To this end he is working on developing new models for hepatitis C virus infection in the basic science arm of the Center for the Study of Hepatitis C at The Rockefeller University.

Biographical Info

Ype de Jong studied medicine at the University of Amsterdam Medical School. After completing his master's in Amsterdam he conducted research into the immunopathogenesis of Crohn’s disease at the Beth Israel Deaconess Medical Center in Boston, with which he obtained his PhD. He subsequently completed his Internal Medicine internship and residency at the Mount Sinai Hospital in New York, followed by a fellowship in Gastroenterology at the same institution. He currently is an Assistant Professor of Medicine at Weill-Cornell Medical College. Dr de Jong is an intricate part of the Center for the Study of Hepatitis C, both as a physician at New York-Presbyterian Hospital and as a Visiting Clinical Fellow at The Rockefeller University.



Honors and Awards

Cum Laude (for PhD thesis), University of Amsterdam, 2002

Hippocrates Prize (for best medical thesis in The Netherlands), Leiden University, 2003


Board Certifications
American Board of Internal Medicine
American Board of Internal Medicine (Gastroenterology)
Clinical Expertise
Primary Biliary Cirrhosis
Colon Cancer Screening and Prevention
Liver Disease
Autoimmune Hepatitis
Fatty Liver Disease
General Hepatology
Genetic Liver Diseases
Genetic Screening
Hepatitis B
Hepatitis C
Polycystic Liver Disease
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Viral Hepatitis
  • M.D.
    University of Amsterdam Faculty of Medicine (Netherlands)
  • Ph.D.
    University of Amsterdam (Netherlands)
  • Associate Attending Physician
    NewYork-Presbyterian Hospital
  • Associate Professor of Medicine
    Weill Cornell Medical College, Cornell University

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