John I. Allen, C. Richard Boland, and Carol A Burke are all well known gastroenterologists who specialize in colon cancer and mutation. Fernando Bermudez, Geoffrey Braden, and William Chey are also respected gastroenterologists specializing in bowel diseases and disorders, states Becker's ASC Review.
These physicians have received multitudes of rewards from highly respected organizations and often hold positions of authority in important areas of research. Specialists in gastroenterology focus on a wide range of specialties. While some doctors may focus on colon cancers or bowel diseases, others may decide to study areas regarding swallowing disorders or esophageal reflux. Some other common areas of expertise involved in gastroenterology include intestinal infections and diarrheal disorders, notes Becker's ASC Review.