Dr. Tsuyuguchi Toshio
| Area | Chiba Prefecture |
| Medical institution affiliation | Chiba Prefectural Sawara Hospital https://www.pref.chiba.lg.jp/sawara/shinryoka/shokakika/shinryo.html |
| Medical specialties | gastroenterology |
| Medical expertise | general gastroenterology, biliary diseases, endoscopic diagnosis and treatment |
| Graduated University | Chiba University |
