Directions to AdventHealth Medical Group Oncology & Hematology at East Orlando AdventHealth Medical Group Oncology & Hematology at East Orlando 7975 Lake Undershill Road Suite 220B Orlando, FL 32822 Directions to AdventHealth Medical Group Oncology & Hematology at East Orlando AdventHealth Medical Group Oncology & Hematology at East Orlando 7975 Lake Undershill Road Suite 220B Orlando, FL 32822 Call AdventHealth Medical Group Oncology & Hematology at East Orlando at407-303-6772