| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (360 reviews) | Istanbul, Turkey | 35+ years | Thyroidectomy, Whipple surgery | — | — | International Organization for Standardization, Joint Commission International | ||
| #2 | 4.6 / 5 (517 reviews) | Istanbul, Turkey | 49+ years3,000+ treatments | Radiofrequency ablation of the liver, Excision of skull base tumor | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #3 | 4.6 / 5 (218 reviews) | Istanbul, Turkey | 20+ years | Throat cancer operation, Removal of spinal cord tumor | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.6 / 5 (127 reviews) | Antalya , Turkey | — | — | Autologous bone marrow transplantation, Trans-sphenoidal hypophysectomy (adenomectomy) | — | — | Joint Commission International | |
| #5 | 4.6 / 5 (136 reviews) | Istanbul, Turkey | 44+ years | Allogenic bone marrow transplantation from a related donor, Radioiodine therapy | — | — | International Organization for Standardization, Joint Commission International | ||
| #6 | 4.7 / 5 (156 reviews) | Vienna, Austria | 36+ years | Removal of duodenal polyp, Gastric polyps removal | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | ||
| #7 | 4.7 / 5 (66 reviews) | Katowice, Poland | — | — | Biopsy | — | — | International Organization for Standardization, TÜV AG Сompany Research & Investing Certificate | |
| #8 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 76+ years23,000+ treatments | Proton-beam therapy, Mohs microsurgery | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #9 | 4.8 / 5 (5 reviews) | Bangkok, Thailand | 31+ years | Hormone therapy | — | — | International Organization for Standardization | ||
| #10 | 4.9 / 5 (7 reviews) | Ankara, Turkey | 22+ years | Lung cancer surgery, Robotic da Vinci prostatectomy | — | — | International Health Tourism Authorization Certificate, International Organization for Standardization |