Dr. Satoshi Maruyama
| Area | Niigata Prefecture |
| Medical institution affiliation | Niigata Cancer Center Hospital https://www.niigata-cc.jp/treatment/staff03_syoukakigeka.html |
| Medical specialties | digestive surgery |
| Medical expertise | gastrointestinal surgery (colorectal), external endoscopy |
| Graduated University | University of Fukui School of Medical Sciences |
