Karen L. Krok, MD, FAASLD

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Karen L. Krok, MD,  FAASLD
Employed by Penn State Health
Gastroenterology, Transplant Hepatology

Academic Appointments

Director of Hepatology, Division of Gastroenterology and Hepatology, Penn State Cancer Institute
Professor and Vice Chair for Clinical Affairs, Department of Medicine

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About Me

Dr. Krok is a full time gastroenterologist and hepatologist here at Penn State Health Milton S. Hershey Medical Center. Her primary areas of interest are in the care of patients with all liver diseases, including patients that need are in need of a liver transplant. She has done research on hepatopulmonary syndrome and liver transplant outcomes. As a gastroenterologist, she also sees patients who need screening for colon cancer. As Director of the Gastroenterology Fellowship she has a strong passion for medical education.

Board Certification

  • Internal Medicine
  • Gastroenterology
  • Transplant Hepatology


Accepted Insurances

We accept a variety of health insurance plans and will submit claims on your behalf. Certain coverage restrictions may apply based on your individual benefit package.

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Professional Education


Medical School, University of Pennsylvania School of Medicine (Philadelphia) - 2001


Fellowship, Gastroenterology Johns Hopkins Hospital - 2007

Fellowship, Transplant Hepatology Johns Hopkins Hospital - 2008


Residency, Internal Medicine University of Pennsylvania Medical Center (Philadelphia) - 2004


  • Dean’s Award for Excellence in Teaching
  • Education Recognition Award from the Department of Medicine