Dr. Masakazu Yamamoto
| Prefecture | Tochigi Prefecture |
| Belonging | Utsunomiya Memorial Hospital https://www.nakayamakai.com/depts/shoukakigeka/doctor.php |
| Specialized | digestive surgery |
| Experienced | gastrointestinal surgery, hepatobiliary and pancreatic surgery |
| Graduated University | University of Tsukuba |
