Greg Wallin, MD was born and raised in South Dakota. After High School, he spent several years performing mission work and building churches in Africa. Dr. Wallin received his undergraduate degree in Biology from Andrews University before earning his Medical Degree from Loma Linda University in Southern California. Dr. Wallin was Chief Resident at Hinsdale Hospital where he received training in Family Medicine. He is Board Certified in Family Medicine and Obesity Medicine. When not taking care of patients, Dr. Wallin and his wife are busy at home with four young children.