Dr. Walling received his medical degree from the University of Health Science in Kansas City, Missouri. He completed his Internship at Mt. Clemens General Hospital. His Residency training and Fellowship in Gastroenterology were done at Botsford General Hospital in Farmington Hills, Michigan. Dr. Walling is board certified in both Internal Medicine and Gastroenterology. He has been practicing in the Lansing area since 1992.