Directions to AdventHealth Medical Group Hematology Oncology at Shawnee Mission AdventHealth Medical Group Hematology Oncology at Shawnee Mission 9301 W 74th Street Suite 100 Merriam, KS 66204 Directions to AdventHealth Medical Group Hematology Oncology at Shawnee Mission AdventHealth Medical Group Hematology Oncology at Shawnee Mission 9301 W 74th Street Suite 100 Merriam, KS 66204 Call AdventHealth Medical Group Hematology Oncology at Shawnee Mission at913-632-9100