| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (436) | Istanbul, Turkey | — | — | Aortic aneurysm surgery, Replacement of the aortic valve | — | — | International Organization for Standardization, Joint Commission International | |
| #2 | 4.5 / 5 (55) | Istanbul, Turkey | — | — | Installing heart pacemaker, Open heart surgery | — | — | Joint Commission International | |
| #3 | 4.8 / 5 (9) | Istanbul, Turkey | — | — | Radiofrequency ablation, Plastic surgery for cardiac valve | — | — | — | |
| #4 | 4.7 / 5 (496) | Barcelona, Spain | 76+ years23,000+ treatments | Aortic aneurysm surgery, Installing heart pacemaker | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #5 | 4.6 / 5 (165) | Istanbul, Turkey | — | — | Installing heart pacemaker, Coronary artery bypass grafting | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.0 / 5 (1) | Dusseldorf, Germany | 26+ years | Heart сheck up | — | — | — | ||
| #7 | 4.0 / 5 | Osaka, Japan | 45+ years | Heart сheck up | — | — | — | ||
| #8 | 3.4 / 5 (2) | Seoul, Republic of Korea | — | — | Heart сheck up | — | — | Korean Institute for Healthcare Accreditation | |
| #9 | 4.6 / 5 (151) | Antalya, Turkey | — | — | Coronary artery bypass grafting, Heart Valve Replacement | — | — | Joint Commission International | |
| #10 | 4.5 / 5 (266) | Istanbul, Turkey | 22+ years | Aortic aneurysm surgery, Plastic surgery for cardiac valve | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) |