| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (432) | Istanbul, Turkey | — | — | Coronary angiography, MRI of vessels with contrast | — | — | International Organization for Standardization, Joint Commission International | |
| #2 | 4.6 / 5 (542) | Istanbul, Turkey | 76+ years | Coronary angiography, Radiofrequency ablation | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #3 | 4.7 / 5 (494) | Barcelona, Spain | — | 23,000+ treatments | Heart cryoablation, Carotid Angioplasty and Stenting | — | — | Joint Commission International , European Foundation for Quality Management | |
| #4 | 4.6 / 5 (165) | Istanbul, Turkey | — | — | Coronary angiography, Transluminal Arterial Angioplasty (PTA) and Stenting | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.8 / 5 (293) | Istanbul, Turkey | — | — | Radiofrequency ablation | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #6 | 4.6 / 5 (71) | Milan, Italy | — | 8,000+ treatments | MRI of vessels with contrast | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #7 | 4.8 / 5 (55) | Milan, Italy | — | 8,000+ treatments | Coronary angiography, Radiofrequency ablation | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #8 | — / 5 | Wuppertal, Germany | — | — | Radiofrequency ablation, Coronary bypass surgery | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society | |
| #9 | 3.8 / 5 (6) | Madrid, Spain | — | — | MRI of vessels with contrast | — | — | World's Best Hospitals 2021 by Newsweek | |
| #10 | 4.6 / 5 (19) | Guangzhou, China | — | — | MRI of vessels with contrast | — | — | — |