Saddleback Medical Group, Inc. - Gastroenterology - Digestive … Medical (4 days ago) Call (949) 770-7163 or request an appointment online with Saddleback Medical Group's GI associates in Laguna Hills, Orange County, California. Digestive Disease Center The Digestive Disease Center in Laguna Hills , Orange County California is a state-of-the-art gastrointestinal (GI) medical specialty facility..