| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (487) | Barcelona, Spain | 37+ years23,000+ treatments | Heart Valve Replacement, Radiofrequency ablation | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.6 / 5 (147) | Antalya , Turkey | 22+ years | Heart Valve Replacement, Coronary artery bypass grafting | — | — | Joint Commission International | ||
| #3 | 4.2 / 5 (86) | Jelenia Góra, Poland | — | — | Heart Valve Replacement, Coronary angiography | — | — | International Organization for Standardization, Polish Association of Medical Tourism | |
| #4 | 4.6 / 5 (537) | Istanbul, Turkey | — | — | Heart Valve Replacement, Coronary angiography | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #5 | 4.7 / 5 (149) | Vilnius, Lithuania | — | — | Heart Valve Replacement, Radiofrequency ablation | — | — | Joint Commission International | |
| #6 | 4.6 / 5 (420) | Istanbul, Turkey | 21+ years | Heart Valve Replacement, Coronary angiography | — | — | International Organization for Standardization, Joint Commission International | ||
| #7 | 4.1 / 5 (3) | Beijing, China | — | 9,000+ treatments | Consultation with a cardiologist | — | — | Joint Commission International | |
| #8 | 5.0 / 5 (2) | Bangkok, Thailand | — | — | Coronary angiography, Enhanced External Counterpulsation (EECP) | — | — | ISO 9001:2015 Quality management systems | |
| #9 | 4.6 / 5 (174) | Vienna, Austria | — | — | Consultation with a cardiologist | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | |
| #10 | 4.6 / 5 (156) | Istanbul, Turkey | — | — | Coronary angiography, Radiofrequency ablation | — | — | International Organization for Standardization, Joint Commission International |