| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (159) | Vilnius, Lithuania | — | — | Coronary stenting, Radiofrequency ablation | — | — | Joint Commission International | |
| #2 | 5.0 / 5 (1) | Bangkok, Thailand | — | — | Installing heart pacemaker, Radiofrequency ablation with 3D mapping | — | — | Global Healthcare Accreditation Program, Joint Commission International | |
| #3 | 4.6 / 5 (151) | Antalya, Turkey | — | — | Coronary artery bypass grafting, Heart Valve Replacement | — | — | Joint Commission International | |
| #4 | 4.6 / 5 (544) | Istanbul, Turkey | 76+ years | Coronary stenting, Aortic aneurysm surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #5 | 4.6 / 5 (175) | Vienna, Austria | — | — | Heart ultrasound | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | |
| #6 | 4.3 / 5 (4) | Istanbul, Turkey | — | — | Heart ultrasound | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #7 | 5.0 / 5 | Istanbul, Turkey | — | — | Tetralogy of Fallot Surgery, Coronary bypass surgery | — | — | — | |
| #8 | 4.8 / 5 (299) | Istanbul, Turkey | — | — | Transcatheter aortic valve implantation (TAVI), Coronary stenting | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #9 | 4.8 / 5 (55) | Milan, Italy | — | 8,000+ treatments | Coronary angiography, Coronary artery bypass grafting | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #10 | 4.6 / 5 (71) | Milan, Italy | 35+ years8,000+ treatments | Coronary artery bypass grafting, Heart Valve Replacement | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek |