Dr. Naoki Ishii
| Prefecture | Tokyo Metropolis |
| Belonging | TOKYO-SHINAGAWA HOSPITAL https://tokyo-shinagawa.jp/clinic/medical/list_01_2.htm |
| Specialized | gastroenterology |
| Experienced | endoscopic treatment of colonic diverticular bleeding and other gastrointestinal bleeding and gastrointestinal cancer |
| Graduated University | National Defense Medical College |
