Cresthaven Internal Medicine 6799 Great Oaks Rd # 250 Germantown, TN 38138 Phone : (901) 821-8300 Business Category Physicians & Surgeons-M.D. Van Rushing Md 6799 Great Oaks Rd # 250 Germantown, TN 38138 Phone : (901) 821-8300 Business Category Physicians & Surgeons-M.D. John B Buttross Md 6799 Great Oaks Rd # 250 Germantown, TN 38138 Phone : (901) 821-8300 Business Category Physicians & Surgeons-M.D.