Directions to AdventHealth Medical Group Breast Surgery at Shawnee Mission AdventHealth Medical Group Breast Surgery at Shawnee Mission 9100 West 74th Street Merriam, KS 66204 Directions to AdventHealth Medical Group Breast Surgery at Shawnee Mission AdventHealth Medical Group Breast Surgery at Shawnee Mission 9100 West 74th Street Merriam, KS 66204 Call AdventHealth Medical Group Breast Surgery at Shawnee Mission at913-632-9130