Ragunath Appasamy, MD, PhD
Gastroenterology
Accepting new patients
Sees patients age 18 and up
Penn Gastroenterology Perelman
Penn Medicine Provider

About me

  • Director of Gastroenterology and Hepatology, Hosptial of the University of Pennsylvania and Perelman Center for Advanced Medicine
  • Professor of Clinical Medicine (Gastroenterology)

Education and training

  • Medical School: Bangalore Medical College
  • Residency: Thomas Jefferson University Hospital
  • Residency: Cooper University Hospital
  • Fellowship: University of Pittsburgh School of Medicine

What my patients think about me

Average Rating

129 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

December 2025
doctor was very informative
December 2025
he addressed all of my concerns and questions.
December 2025
i know with my crohn's disease, i am in good hands
December 2025
dr appasamy is an excellent dr with many years of experience.

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Appasamy is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Rabinovitz M, Appasamy R, Finkelstein S Primary biliary cirrhosis diagnosed during pregnancy. Does it have a different outcome? , Digestive Diseases & Sciences, 40(3): 1995,571-4


Appasamy R, Bryant J, Hassanein T, Van Thiel DH, Whiteside TL Effects of therapy with interferon-a on peripheral blood lymphocyte subsets and NK activity in patients with chronic hepatitis C , Clin Immunol Immunopathol, 73(2): 1994,350-7


Appasamy R, Tanabe M, Murase N, Zarnegar R, Venkataramanan R, Van Thiel DH, Michalopoulos GK Hepatocyte growth factor, blood clearance, organ uptake, and biliary excretion in normal and partially hepatectomized rats , Lab Invest, 68(3): 1993,270-6


Michalopoulos GK, Appasamy R Metabolism of HGF-SF and its role in liver regeneration. in: Hepatocyte Growth Factor-Scatter Factor (HGF-SF) and the C-Met Receptor , EXS, 65: 1993,275-83