Dr. Ryoji Makizumi
| Area | Tokyo Metropolis |
| Medical institution affiliation | St. Marianna Medical University Hospital https://www.marianna-u.ac.jp/houjin/staff/doctors/makizumi_ryoji.html |
| Medical specialties | digestive surgery |
| Medical expertise | gastrointestinal and general surgery, laparoscopic surgery, endoscopy and treatment and lower gastrointestinal tract |
| Graduated University | St. Marianna University School of Medicine |
