Crandell, D.R., 1971, Postglacial lahars from Mount Rainier volcano, Washington: U.S. Geological Survey Professional Paper 677, p. 1-75.
Training Requirements. To qualify a gastroenterologist, you will have to first complete a 4 year medical school program and receive either an M.D. or a D.O. You will then need to complete a 2 to 3 year residency program, typically in internal medicine.o qualify a gastroenterologist, you will have to first complete a 4 year medical school program and receive either an M.D. or a D.O. You will then need to complete a 2 to 3 year residency program, typically in internal medicine.
Step 7: Become Board-Certified. One way to advance a gastroenterology career is to become board certified. Although board certification is not a requirement to practice, most gastroenterologists elect to become certified in their specialty by the American Board of Internal Medicine (ABIM).tep 7: Become Board-Certified. One way to advance a gastroenterology career is to become board certified. Although board certification is not a requirement to practice, most gastroenterologists elect to become certified in their specialty by the American Board of Internal Medicine (ABIM).