Directions to AdventHealth Medical Group Gastroenterology and Hepatology at Kissimmee AdventHealth Medical Group Gastroenterology and Hepatology at Kissimmee 2400 North Orange Blossom Trail Suite 302 Kissimmee, FL 34744 Directions to AdventHealth Medical Group Gastroenterology and Hepatology at Kissimmee AdventHealth Medical Group Gastroenterology and Hepatology at Kissimmee 2400 North Orange Blossom Trail Suite 302 Kissimmee, FL 34744 Call AdventHealth Medical Group Gastroenterology and Hepatology at Kissimmee at407-932-6193