Gastroenterology

Gastroenterology is the study of the colon and rectum, esophagus, stomach, small intestine, pancreas, gallbladder, bile ducts and liver. Gastroenterologists are trained to detect and prevent colon and rectal cancer as well as to evaluate and treat gastrointestinal conditions. Riverside gastroenterologists work closely with family practice and other specialty physicians to coordinate a testing, diagnosis and treatment care plan for patients.

Peninsula Gastroenterology

• John W. Boyd, MD (office in Newport News)
• Frederick M. Gessner, MD (office in Newport News)
• William A. Hackworth, MD (office in Newport News)
• Ray L. James, Jr., MD (office in Newport News)
• John R. Stephens, MD (office in Newport News)
• Mark A. Titus, MD (office in Newport News)

Williamsburg Gastroenterology, P.C.

• Shahwali Arezo, MD (office in Williamsburg)
• Joseph O. Converse. MD (office in Williamsburg)

Riverside Shore Gastroenterology

• Daniel L. Ridout, MD (office in Nassawadox)

Riverside Tappahannock Gastroenterology

• Waring Trible, Jr., MD (office in Tappahannock)

Surgery
General Surgeons are physicians who specialize in surgery, including abdomen and stomach surgeries, and may have board certifications in Colon and Rectal Surgery.

Practice: Hampton Roads Surgical Specialists

• Brian J. Billings, MD (office in Newport News)

Practice: Gloucester Surgery

• Melvin D. Schursky, MD (office in Gloucester)
• Melvin W. Ressler, MD (office in Gloucester)

Practice: Riverside Tappahannock Surgical Associates

• Reginald K. Mason, MD (office in Tappahannock)
• Michael J. Francis, MD (office in Tappahannock)

Practice: Riverside Shore Surgical Service

• Charles D. Goldstein, MD (office in Nassawadox)
• Larry F. Weisner, MD (office in Nassawadox)

Medical Oncology and Hematology
Medical oncologists are physicians who are specially trained in the treatment of cancer with drugs.

Practice: Peninsula Cancer Institute

• George J. Kannarkat, MD (offices in Newport News & Williamsburg)
• Laura D. Kerbin, MD (offices in Williamsburg & Gloucester)
• Magi M. Khalil, MD (office in Gloucester)
• Flavia E. Kostov, MD (office in Newport News)
• John F. Miller, MD (offices in Williamsburg & Gloucester)
• Kimberly W. Schlesinger, MD (offices in Newport News & Gloucester)
• Guy W. Tillinghast, MD (offices in Newport News, Gloucester & Williamsburg)
• Mashour Yousef, MD (offices in Newport News, Gloucester & Williamsburg)

Practice: Cancer Specialists of Tidewater

• William P. Clark Jr., MD (offices in Chesapeake & Virginia Beach)
• Craig Franzman, MD (offices in Chesapeake & Virginia Beach)
• Elizabeth Gunderson, MD(offices in Chesapeake & Suffolk)
• William W. Maclaughlin, MD (offices in Chesapeake & Virginia Beach)
• Amy M. Skorupa, MD (offices in Chesapeake & Virginia Beach)

Radiation Oncology
A radiation oncologist is a physician specialist who uses radiation therapy to treat cancer.

Practice: Radiation Oncology Specialists

• Mark E. Chisam, MD (office in Williamsburg)
• Veronica R. Eisen, MD (office in Newport News)
• Lori K. Gillespie, MD (office in Newport News)
• C. R. Kersh, MD (offices in Williamsburg, Newport News & Gloucester)
• Joseph D. Layser, MD (office in Newport News)
• James A. Wassum, MD (office in Gloucester)

Patient Navigation
Patient Navigators become a personal guide through the complexities of healthcare in general and cancer care in particular.

• Harolette Kelley, RN, BSN, Colorectal/Pancreatic/Digestive Cancer Patient Navigator

Outreach and Education

• Fran Holcomb, RN, BSN, OCN, Nurse Educator