Grand Junction Gastroenterology is one of the largest gastroenterology groups in Colorado serving western Colorado, southwestern Wyoming and eastern Utah. Its staff includes board-certified gastroenterologists, physician assistants and nurse practitioners. The group performs colorectal cancer screenings and offers diagnostic and therapeutic intervention services for common disorders, such as diarrhea and anemia. Grand Junction Gastroenterology s other medical procedures include colonoscopies and upper endoscopies. It also offers treatment for ulcers, tumors and esophageal dilation. The group additionally provides hepatitis C treatment and management services. Its physicians are specially trained in the study of the physiology and pathology of stomach, intestines and pancreas. Grand Junction Gastroenterology is located in Grand Junction, Colo.