Directions to AdventHealth Medical Group Hematology & Oncology Kissimmee AdventHealth Medical Group Hematology & Oncology Kissimmee 2400 N Orange Blossom Trail Suite 205 Kissimmee, FL 34744 Directions to AdventHealth Medical Group Hematology & Oncology Kissimmee AdventHealth Medical Group Hematology & Oncology Kissimmee 2400 N Orange Blossom Trail Suite 205 Kissimmee, FL 34744 Call AdventHealth Medical Group Hematology & Oncology Kissimmee at407-944-5240