Our Gastrointestinal Cancer Team

The activities of our gastrointestinal cancer specialists are integrated through a multispecialty clinic, where you will be seen regularly and clinicians will regularly review your progress. Our staff includes expert medical oncologists, surgeons, gastroenterologists, radiologists, radiation oncologists, nurses, social workers and nutritionists.

Medical Oncology


Andrea J. Bullock, MD

Assistant Professor, Medicine, Harvard Medical School

Manuel Hidalgo, MD, PhD

Co-Director, Pancreas and Liver Institute; Director, Rosenberg Clinical Cancer Center; Chief, Hematology/Oncology


Bruno Bomfim da Silva Bockorny, MD


Eirini Pectasides, MD, PhD

Instructor, Hematology/Oncology, Harvard Medical School


Mary Linton Peters, MD


Diane M.F. Savarese, MD

Instructor, Medicine, Harvard Medical School

Benjamin L. Schlechter, MD

Disease Group Leader and Instructor, Medicine, Harvard Medical School 

Jessica A. Zerillo, MD, MPH

Medical Oncology

Advanced Practice Providers
Female Doc Silhouette

Catharine Conahan, NP

Female Doc Silhouette

Carol Pilgrim, NP

Female Doc Silhouette

Adrienne Terra, NP

Interventional Gastroenterology

Tyler Berzin, MD, MS

Co-Director, GI Endoscopy, and Director, Advanced Endoscopy Fellowship

Douglas Pleskow, MD

Clinical Director, Gastroenterology

Mandeep S. Sawhney, MD

Co-Director, GI Endoscopy, and Director, Endoscopy Research

Radiation Oncology

Matthew Abrams, MD

Instructor, Radiation Oncology


Muneeb Ahmed, MD

Chief, Vascular and Interventional Radiology

Felipe Collares, MD

Director of Quality Assurance for Interventional Radiology

Kevin J. Donohoe, MD

Nuclear Medicine and Molecular Imaging

Salomao Faintuch, MD, MSc

Assistant Professor, Radiology, Harvard Medical School

Robert A. Kane, MD

Section Chief, Body and General Ultrasound

Gerald M. Kolodny, MD

Associate Professor, Radiology, Harvard Medical School

Karen S. Lee, MD


Koenraad Mortele, MD


John A. Parker, MD

Associate Professor, Radiology, Harvard Medical School

Bettina Siewert, MD

Executive Vice Chair for Radiology

Martin P. Smith, MD

MRI and Abdominal Imaging

Jesse L. Wei, MD

Interventional Radiology and Diagnostic Radiology

Surgical Oncology

Colon and Rectal

Thomas E. Cataldo, MD

Colon and Rectal Surgery

Vitaliy Poylin, MD

Director of the Rectal Cancer Program


Jonathan F. Critchlow, MD, FACS

General Surgery

Daniel B. Jones, MD

Chief, Bariatric and Minimally Invasive Surgery


Vanessa L. Cowan, MD


Amy R. Evenson, MD, MPH, FACS

Robert A. Fisher, MD, FACS

Chief, Division of Transplantation 


Mark P. Callery, MD

Chief of General Surgery

A. James Moser, MD

Co-Director, Pancreas and Liver Institute


Jonathan N. Glickman, MD

Director of Surgical Pathology & Gastrointestinal Pathology

Gamze Ayata, MD

Pathology; Program Director, Cytopathology Fellowship

Tracy L. Challies, MD

Jeffrey D. Goldsmith, MD

Associate Professor, Pathology, Harvard Medical School 

Kanchan Kantekure, MD