| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (66 reviews) | Milan, Italy | — | 8,000+ treatments | Transesophageal cardiostimulation | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #2 | 4.9 / 5 (44 reviews) | Milan, Italy | — | 8,000+ treatments | Coronary angiography, Coronary angioplasty | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #3 | 4.4 / 5 (17 reviews) | Istanbul, Turkey | — | — | Heart cryoablation | — | — | Best clinic for radiotherapy, Best price for PET/CT | |
| #4 | 4.7 / 5 (7 reviews) | Hamburg, Germany | — | — | Transesophageal cardiostimulation | — | — | International Organization for Standardization, CERTKOM certificate for qualified pain therapy | |
| #5 | 4.4 / 5 (32 reviews) | Istanbul, Turkey | — | — | Transesophageal cardiostimulation | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | |
| #6 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Transesophageal cardiostimulation | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #7 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Transesophageal cardiostimulation | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #8 | 3.9 / 5 (0 reviews) | Genolier, Switzerland | — | 2,000+ treatments | Transesophageal cardiostimulation | — | — | World's Best Hospitals 2021 by Newsweek | |
| #9 | 4.6 / 5 (32 reviews) | Delhi, India | — | — | Interventricular septal defect surgery, Atrial septal defect surgery | — | — | Joint Commission International , Indian National Accreditation Board for Testing and Calibration Laboratories | |
| #10 | 3.3 / 5 (0 reviews) | Bremen, Germany | — | — | Transesophageal cardiostimulation | — | — | World's Best Hospitals 2021 by Newsweek |