Gastroenterology in Oakland, CA at 300 Frank H Ogawa Plz - (510) 444-3297. Find a Doctor About Vitadox Join Vitadox Gastroenterologists in Oakland, CA. East Bay Center For Digestive Health Medical Associates, Inc Gastroenterology 300 Frank H Ogawa Plz, Suite 450 Oakland, CA 94612 1470.9 miles away view on map.