Anthony DiMarino, Jr., MD
Director,
Digestive Disease Institute
Chief, Division of
Gastroenterology & Hepatology
Current Fellows
PGY - 4
Cecilia Kelly, MD
Undergraduate: Fordham University
Medical School: Jefferson Medical College
Internship/Residency: Thomas Jefferson University Hospital
Sheyan Wong, MD
Undergraduate: Washington University
Medical School: Jefferson Medical College
Internship/Residency: Northwestern Memorial Hospital
Richard Wu, MD, MPH
Undergraduate: University of California, Berkeley
Medical School: Drexel University College of Medicine
Masters in Public Health: Drexel University, School of Public Health
Internship/Residency: Duke University Medical Center
PGY - 5
Dina Halegoua-DeMarzio, MD
Undergraduate: Villanova University
Medical School: Temple University School of Medicine
Internship/Residency: Thomas Jefferson University Hospital
Chief Residency: Thomas Jefferson University Hospital
Ramu Kedika, MD
Undergraduate: Pennsylvania State University
Medical School: Jefferson Medical College
Internship/Residency: University of Texas at Southwestern Medical Center
Rebecca Matro, MD
Undergraduate: Cornell University
Medical School: Jefferson Medical College
Internship/Residency: Thomas Jefferson University Hospital
PGY - 6
Jason Korenblit, MD, MBA
Undergraduate: Pennsylvania State University
Medical School: Jefferson Medical College
Masters in Business Administration: Widener University
Internship/Residency: Thomas Jefferson University Hospital
Brendan O'Hare, MD
Undergraduate: Villanova University
Medical School: Drexel University College of Medicine
Internship/Residency: Thomas Jefferson University Hospital
Anastasia Shnitser, MD
Undergraduate: Towson University
Masters in Genetics: University of Delaware
Medical School: The George Washington University
Internship/Residency: Thomas Jefferson University Hospital
Advanced Fellows
Transplant Hepatology
Jesse Civan MD
Undergraduate: University of Pennsylvania
Medical School: University of Pennsylvania
Internship/Residency: Hospital of the University of Pennsylvania
Fellowship: Thomas Jefferson University Hospital
Advanced Endoscopy
Mujtaba Butt, MD
Undergraduate/Medical School: King Edward Medical College, Pakistan
Internship/Residency: State University of New York (SUNY) - Downstate
Fellowship: State University of New York (SUNY) - Downstate


Robert Coben, MD
Academic Coordinator
Division of Gastroenterology & Hepatology
132 South 10th Street
Main Building, Suite 480
Philadelphia, PA 19107
Recent Publications
- Role of PKC and RhoA/ROCK pathways in the spontaneous phasic activity in the rectal smooth muscle
- Comparison of two different thermal techniques for the treatment of hepatocellular carcinoma
- A multicenter, prospective, randomized comparison of a novel signal transmission capsule endoscope to an existing capsule endoscope
- Outcomes of EUS-guided drainage of debris-containing pancreatic pseudocysts by using combined endoprosthesis and a nasocystic drain
- Risk stratification for the development of Post-ERCP pancreatitis by sphincter of oddi dysfunction classification
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