| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (355 reviews) | Istanbul, Turkey | 21+ years | Sclerotherapy of varicose veins, Tetralogy of Fallot Surgery | — | — | International Organization for Standardization, Joint Commission International | ||
| #2 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Interventricular septal defect surgery | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #3 | 4.6 / 5 (213 reviews) | Istanbul, Turkey | 19+ years | Varicose veins removal, Interventricular septal defect surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Open heart surgery, Radiofrequency ablation | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.8 / 5 (169 reviews) | Istanbul, Turkey | — | — | Varicose Vein Stripping, Radiofrequency ablation | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #6 | 4.7 / 5 (132 reviews) | Istanbul, Turkey | — | — | Coronary angiography, Radiofrequency ablation | — | — | International Organization for Standardization, Joint Commission International | |
| #7 | 4.9 / 5 (53 reviews) | Istanbul, Turkey | 36+ years | Open heart surgery, Radiofrequency ablation | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | ||
| #8 | 4.5 / 5 (51 reviews) | Istanbul, Turkey | — | — | Plastic surgery for cardiac valve, Sclerotherapy of varicose veins | — | — | Joint Commission International | |
| #9 | 5.0 / 5 (53 reviews) | Istanbul, Turkey | 40+ years | Operation Marmara (microsurgical subinguinal varicocelectomy), Coronary angioplasty | — | — | Joint Commission International , International Organization for Standardization | ||
| #10 | 4.4 / 5 (55 reviews) | Istanbul, Turkey | — | — | CT coronary angiography | — | — | Joint Commission International , Certification according to DIN EN ISO 9001 by TÜV NORD CERT |