| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.2 / 5 | Osaka, Japan | 3,000+ treatments | Mitral valve repair, heart valve replacement, complete 3D endoscopic MICS, robot-assisted MICS | Robot-assisted mitral repair through a 3.5 cm incision | 3D endoscopic and Da Vinci Xi robot-assisted valve surgery through small incisions. Dedicated Heart and Vascular Center, on-site cardiac CT and MRI. 110+ open-heart cases annually. | Fellow, American College of Surgeons |