Meet Our GI Cancer Specialists
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
Physicians
Andrea J. Bullock, MD, MPH
Disease Group Leader, Gastrointestinal Malignancies; Medical Oncology
Ali Baghian, MD
Medical Oncology
Bruno Bockorny, MD
Medical Oncology
Mary Linton Peters, MD
Medical Oncology
Ahmed Rattani, MD, PhD
Instructor, Medicine, Harvard Medical School
Peter D. Whooley, DO, MBA
Medical Oncology
Jessica A. Zerillo, MD, MPH
Medical Oncology
Jenna O’Rourke, NP
Caroline Trickett, NP
Luiz Duque, RN
Nicole Reilly, RN
Christopher Saenz, BSN, RN
Interventional Endoscopy
Tyler Berzin, MD, MS
Director, Advanced Endoscopy Fellowship Program; Gastroenterology
Douglas Pleskow, MD
Emeritus Clinical Chief, Gastroenterology
Mandeep S. Sawhney, MD
Director, Therapeutic Endoscopy; Endoscopy Research; Gastroenterology
Radiation Oncology
Kathryn E. Huber, MD
Radiation Oncology
Raechel Perry, NP
Radiation Oncology
Radiology
Muneeb Ahmed, MD, FSIR
Vice Chair, Interventional Services, Radiology // Section Chief, Vascular and Interventional Radiology // Miriam H. Stoneman Professorship at BIDMC (Harvard Medical School Chair)
Olga Brook, MD, MBA, FSAR, FSIR, FSABI, FESGAR
Executive Vice Chair for Workforce Strategy and Talent Acquisition // Vice Chair for Radiology Research, Discovery, and Innovation // Section Chief, Abdominal Imaging & Interventions // Director of Radiology Quality Academy
Seth J. Berkowitz, MD
Vascular & Interventional Radiology; Diagnostic Radiology
Abraham (Fourie) Bezuidenhout, MD
Diagnostic Radiology
Diana Dinh, MD
Vascular & Interventional Radiology; Diagnostic Radiology; Liver Tumor Clinic
Gerald Kolodny, MD
Nuclear Medicine; Diagnostic Radiology
Karen S. Lee, MD
Director, Radiology Fellowship Training Programs; Diagnostic Radiology
Katja De Paepe, MD
Diagnostic Radiology
Ammar Sarwar, MD, FSIR
Vascular & Interventional Radiology; Diagnostic Radiology; Liver Tumor Clinic
J. Anthony Parker, MD, PhD
Nuclear Medicine
Adeel Seyal, MD
Abdominal Imaging
Bettina Siewert, MD
Executive Vice Chair, Quality, Safety, and Physician Performance Improvement // Chair for the Radiology Quality Committee
Martin P. Smith, MD
Director of Community MRI; Interventional Radiology; Diagnostic Radiology
Jeffrey L. Weinstein, MD, FSIR
Vice Chair, Lifelong Learning and Education // Director, Vascular and Interventional Radiology Independent and Integrated Residency Programs
Jesse L. Wei, MD
Vice Chair for Radiology Informatics and Systems Operations
Surgical Oncology
Umut Sarpel, MD, MSc, FACS, FSSO
Chief, Division of Surgical Oncology
Thomas E. Cataldo, MD, FACS, FASCRS
Colon & Rectal Surgery; Surgery
Kristen T. Crowell, MD, FACS, FASCRS
Colon & Rectal Surgery
Evangelos Messaris, MD, PhD, MBA, FACS, FASCRS
Chief, Colon and Rectal Surgery; Colon & Rectal Surgery; Surgery
Daniel Wong, MD
Colon & Rectal Surgery
Liver and Pancreas
Devin E. Eckhoff, MD, FACS
Chief, Transplant Surgery
David D. Lee, MD
Surgical Director of Liver Transplant
Vanessa L. Cowan, MD
Transplant Surgery
Martin J. Dib, MD, FACS
Director, Hepatobiliary Surgery, Director, Living Donor Liver Transplant Program
Amy R. Evenson, MD, MPH, FACS
Surgical Director of Kidney & Pancreas Transplant
Tara S. Kent, MD
General Surgery
Jeanne Quinn, MS, APRN-BC
Clinical Manager and Coordinator of Rectal Cancer Program
Mary Keane, RN
Pathology
Vikram Deshpande, MD
Interim Chair of Pathology
Osman Yilmaz, MD
Director of Gastrointestinal and Liver Pathology Fellowship
Gamze Ayata, MD
Pathology
Kanchan Kantekure, MD
Pathology
Imad A. Nasser, MD
Director of Hepatobiliary Pathology
Yuho Ono, MD
Matthew Rosenbaum, MD
Pathology
Monika Vyas, MD
Director of Digital Pathology
Helen H. Wang, MD, MPH, DrPH
Omer H. Yilmaz, MD, PhD
Administrators
Sarah Cowen
Administrative Assistant
Clinical Pharmacy