| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (263) | Istanbul, Turkey | 22+ years | Atrial septal defect surgery, Coronary angiography | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #2 | 4.6 / 5 (7) | Antalya , Turkey | — | — | Coronary angioplasty, Coronary bypass surgery | — | — | International Health Tourism Authorization Certificate | |
| #3 | 4.8 / 5 (55) | Milan, Italy | — | 8,000+ treatments | Coronary angiography, Coronary angioplasty | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.6 / 5 (151) | Antalya , Turkey | — | — | Coronary angioplasty | — | — | Joint Commission International | |
| #5 | 4.6 / 5 (542) | Istanbul, Turkey | 33+ years | Open heart surgery, Radiofrequency ablation | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #6 | 4.7 / 5 (492) | Barcelona, Spain | — | 23,000+ treatments | Open heart surgery, Coronary angioplasty | — | — | Joint Commission International , European Foundation for Quality Management | |
| #7 | 4.2 / 5 (90) | Jelenia Góra, Poland | — | — | Coronary angiography, Radiofrequency ablation with 3D mapping | — | — | International Organization for Standardization, Polish Association of Medical Tourism | |
| #8 | 4.7 / 5 (164) | Istanbul, Turkey | — | — | Aneurysm coiling, Coronary angiography | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 5.0 / 5 (58) | Istanbul, Turkey | 13+ years | Tetralogy of Fallot Surgery, Carotid Angioplasty and Stenting | — | — | Joint Commission International , International Organization for Standardization | ||
| #10 | 4.6 / 5 (175) | Vienna, Austria | — | — | Heart MRI | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization |