Dr. Toshiyasu Ojima
| Prefecture | Wakayama Prefecture |
| Belonging | Wakayama Medical University Hospital https://www.wakayama-med.ac.jp/hospital/shinryo/digestive-s/index.html |
| Specialized | gastroenterology |
| Experienced | upper gastrointestinal (oesophageal and gastric) surgery, endoscopic treatment |
| Graduated University | Kanazawa Medical University |
