The Gastrointestinal Oncology Team

Surgical Oncology

• David A. Axelrod, MD
• Richard J. Barth, Jr., MD
• Thomas A. Colacchio, MD
• Burton L. Eisenberg, MD
• David Johnstone, MD
• Elizabeth B. McCabe, MS, ARNP
• John J. Murray, MD
• John E. Sutton, MD

Radiation Oncology

• Bassem I. Zaki, MD

Medical Oncology

• Stefan Balan, MD
• J. Marc Pipas, MD
• Nancy Redfield, MSN, ARNP-BC
• James R. Rigas, MD
• Gregory Ripple, MD

Gastroenterology

• Brian Berk, MD
• Lynn Butterly, MD
• Stuart R. Gordon, MD
• Eileen Janec, MD
• Dirk J. van Leeuwen, MD, PhD
• Richard I. Rothstein, MD

Genetics Counseling

• Bradley Arrick, MD, PhD
• Kasia J. Bloch, MS

Pathology

• Amitabh Srivastava, MD
• Arief A. Suriawinata, MD
• Gregory J. Tsongalis, Ph.D.

Radiology / Interventional Radiology

• John Gemery, MD
• Eric K. Hoffer, MD
• Michael Tsapakos, MD

Epidemiology

• John A. Baron, MD

Oncology Dietitians

• Jeannine B. Mills, MS, RD, LD

Palliative Care

• Marie A. Bakitas, PhD, ARNP-BC
• Margaret Bishop, ARNP-BC
• Ira Byock, MD
• Lisa Stephens, ARNP-BC

Office of Clinical Research

• Rebecca MacDonell, CRC

Continuing Care Manager

• Laurel Ludy, OCM

Oncology Program Coordinator

• Gerald L. Collins, MBA