Learn more about physicians at Duke who specialize in the treatment of gastrointestinal cancer. These specialists work together as teams to provide the most comprehensive, compassionate care for each patient. Physicians are listed by city, location, and specialty.

Durham

Duke University Hospital

Medical Oncology

Colorectal Surgery

• Linda M. Farkas, MD
• Christopher Mantyh, MD
• John Migaly, MD
• Julie K. Marosky Thacker, MD

Stomach and Hepatopancreatobiliary

• Dan G. “Trey” Blazer III, MD
• Bryan M. Clary, MD
• Paul J. Mosca, MD, PhD, MBA
• Alexander Perez, MD
• Douglas S. Tyler, MD
• Rebekah R. White, MD

Thoracic Surgery

• Mark F. Berry, MD, MSE
• Thomas A. D’Amico, MD
• David H. Harpole Jr., MD
• Matthew G. Hartwig, MD
• Mark W. Onaitis, MD
• Betty C. Tong, MD MHS, MS

Radiation Oncology

• Brian G. Czito, MD
• Christopher G. Willett, MD

Durham Regional Hospital

Surgical Oncology

• Paul J. Mosca, MD, PhD, MBA

Radiation Oncology

• Bridget F. Koontz, MD

Raleigh

Duke Raleigh Hospital

Medical Oncology

• Deborah A. Bradley, MD

Colorectal Surgery

• Linda M. Farkas, MD
• M. Benjamin Hopkins, MD

Stomach and Hepatopancreatobiliary

• Dan G. “Trey” Blazer III, MD
• Theodore N. Pappas, MD
• Douglas S. Tyler, MD

Thoracic Surgery

• Albert S.Y. Chang, MD
• David C. White, MD

Radiation Oncology

• Catherine Lee Chang, MD
• Carol A. Hahn, MD

Oncologists at Duke-Affiliated Community Hospitals

Columbus Regional Healthcare (Donayre Cancer Center) – Whiteville, North Carolina

• Kathleen E. Lambert, MD
• Gail A. Leget, MD
• Marvaretta M. Stevenson, MD

Community Memorial Healthcenter - South Hill, Virginia

• Ivy Altomare, MD
• Kathleen E. Lambert, MD

Granville Medical Center – Oxford, North Carolina

• Marvaretta M. Stevenson, MD
• Linda M. Sutton, MD

Johnston Health – Clayton, North Carolina

• Russell D. Anderson, MD
• Kathleen A. Havlin, MD

Johnston Health – Smithfield, North Carolina

• Russell D. Anderson, MD
• Kathleen A. Havlin, MD

Maria Parham Medical Center – Henderson, North Carolina

• Casey Tudor Chollet, MD
• David Mack, MD

Person Memorial – Roxboro, North Carolina

• Ivy Altomare, MD
• Kathleen A. Havlin, MD

Scotland Memorial Hospital – Laurinburg, North Carolina

• Ivy Altomare, MD
• Kathleen A. Havlin, MD
• Kelvin B. Raybon, MD

Southeastern Regional Medical Center (Gibson Cancer Center) – Lumberton, North Carolina

• Maleka Z. Ahmed, MBBS
• Ahmad A. Mahmood, MD
• Marvaretta M. Stevenson, MD
• Linda M. Sutton, MD