Dr. Toshiya Otsuka
| Area | Tokyo Metropolis |
| Medical institution affiliation | New Heart Watanabe Institute https://newheart.jp/introduction/doctor/toshiya_ohtsuka.php |
| Medical specialties | cardiovascular surgery |
| Medical expertise | thoracoscopic surgical ablation and left ventriculectomy, atrial fibrillation |
| Graduated University | Tohoku University |
