| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (142 reviews) | Vilnius, Lithuania | — | — | Aortic aneurysm surgery, Installing heart pacemaker | — | — | Joint Commission International | |
| #2 | 4.6 / 5 (129 reviews) | Antalya , Turkey | — | — | Heart Valve Replacement, Coronary angioplasty | — | — | Joint Commission International | |
| #3 | 4.6 / 5 (517 reviews) | Istanbul, Turkey | — | — | Radiofrequency ablation, Open heart surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #4 | 4.7 / 5 (156 reviews) | Vienna, Austria | — | — | Heart ultrasound | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | |
| #5 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Heart Valve Replacement, Coronary stenting | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #6 | 4.6 / 5 (66 reviews) | Milan, Italy | 35+ years8,000+ treatments | Replacement of the aortic valve, Heart Valve Replacement | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | ||
| #7 | 4.9 / 5 (46 reviews) | Milan, Italy | — | 8,000+ treatments | Coronary angiography, Heart Valve Replacement | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #8 | 4.3 / 5 (16 reviews) | Hamburg, Germany | — | — | Radiofrequency ablation, Coronary artery bypass grafting | — | — | International Organization for Standardization, Medical Travel Quality Alliance | |
| #9 | 4.3 / 5 (4 reviews) | Istanbul, Turkey | — | — | Heart ultrasound | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #10 | 4.6 / 5 (130 reviews) | Hamburg, Germany | — | — | Heart Valve Replacement, Coronary stenting | — | — | International Organization for Standardization, Medical Travel Quality Alliance |