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 Bullock, MD

Andrea J. Bullock, MD

Hematology; Medical Oncology


Bruno Bomfim da Silva Bockorny, MD


Eirini Pectasides, MD, PhD

Instructor, Hematology/Oncology, Harvard Medical School


Mary Linton Peters, MD

Hematology; Medical Oncology

Diane M.F. Savarese, MD

Instructor, Medicine, Harvard Medical School

Jessica A. Zerillo, MD, MPH

Medical Oncology

Advanced Practice Providers
Female Doc Silhouette

Catherine Conahan, NP

Medical Oncology

Carol Pilgrim, NP

Carol Pilgrim, NP

Adrienne Terra

Adrienne Terra, NP

Medical Oncology

Interventional Gastroenterology

Tyler Berzin, MD, MS

Co-Director, GI Endoscopy

Douglas Pleskow, MD

Clinical Director, Gastroenterology

Mandeep S. Sawhney, MD

Co-Director, GI Endoscopy; Director, Endoscopy Research

Radiation Oncology

Matthew Abrams, MD

Radiation Oncology


Muneeb Ahmed, MD

Muneeb Ahmed, MD

Chief, Vascular & Interventional Radiology

Kevin J. Donohoe, MD

Nuclear Medicine; Molecular Imaging

Salomao Faintuch, MD

Salomao Faintuch, MD

Vascular & Interventional Radiology

Robert A. Kane, MD

Chief, Body and General Ultrasound

Karen S. Lee, MD

Emergency Radiology; Abdominal Imaging (MRI)

J. Anthony Parker, MD, PhD

Nuclear Medicine

Bettina Siewert, MD

Executive Vice Chair, Radiology

Martin P. Smith, MD

Abdominal Imaging; Community Network Services

Jesse L. Wei, MD

Abdominal Imaging (MRI)

Surgical Oncology

Colon and Rectal

Thomas Cataldo

Thomas E. Cataldo, MD

Colon and Rectal Surgery


Jonathan F. Critchlow, MD, FACS

General Surgery

Daniel B. Jones, MD

Chief, Minimally Invasive Surgery and Bariatric Surgery


Vanessa L. Cowan, MD


Amy R. Evenson, MD, MPH, FACS


Robert A. Fisher, MD, FACS

Chief, Division of Transplantation 

Khalid Khwaja, MD, FACS


Kristin E. Raven, MD, FACS



Mark P. Callery, MD, FACS

Chief, General Surgery

A. James Moser, MD

Co-Director, Pancreas and Liver Institute


Jonathan N. Glickman, MD, PhD

Director, Surgical Pathology & Gastrointestinal Pathology

Gamze Ayata, MD

Pathology; Program Director, Cytopathology Fellowship

Tracy L. Challies, MD

Anatomic Pathology; Program Director, Selective Pathology Fellowship

Jeffrey D. Goldsmith, MD

Anatomic/Clinical Pathology

Kanchan Kantekure, MD