| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (359 reviews) | Istanbul, Turkey | 21+ years | Coronary angiography, Pediatric Mitral Valve Replacement | — | — | International Organization for Standardization, Joint Commission International | ||
| #2 | 4.2 / 5 (75 reviews) | Jelenia Góra, Poland | — | — | Radiofrequency ablation with 3D mapping, Coronary artery bypass grafting | — | — | International Organization for Standardization, Polish Association of Medical Tourism | |
| #3 | 4.6 / 5 (127 reviews) | Antalya , Turkey | — | — | Heart Valve Replacement, Coronary angioplasty | — | — | Joint Commission International | |
| #4 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Heart Valve Replacement, Aortic aneurysm surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #5 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 37+ years23,000+ treatments | Coronary stenting, Installing heart pacemaker | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #6 | 4.7 / 5 (155 reviews) | Vienna, Austria | — | — | Consultation with a cardiologist | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | |
| #7 | 5.0 / 5 (2 reviews) | Bangkok, Thailand | — | — | Coronary angiography, Enhanced External Counterpulsation (EECP) | — | — | ISO 9001:2015 Quality management systems | |
| #8 | 4.7 / 5 (134 reviews) | Istanbul, Turkey | — | — | Coronary artery bypass grafting, Coronary stenting | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 4.7 / 5 (140 reviews) | Vilnius, Lithuania | — | — | Installing heart pacemaker, Plastic surgery for cardiac valve | — | — | Joint Commission International | |
| #10 | 4.6 / 5 (130 reviews) | Hamburg, Germany | — | — | Heart Valve Replacement, Aortic aneurysm surgery | — | — | International Organization for Standardization, Medical Travel Quality Alliance |