| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (485 reviews) | Barcelona, Spain | — | 23,000+ treatments | Radiotherapy for prostate cancer, Excision of skull base tumor | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 3.5 / 5 (0 reviews) | Xiamen, China | — | — | Comprehensive prostate cancer diagnosis | — | — | — | |
| #3 | 4.6 / 5 (172 reviews) | Vienna, Austria | — | — | Chemotherapy, Gastric polyps removal | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.6 / 5 (417 reviews) | Istanbul, Turkey | — | — | Thyroidectomy, Radiotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | — | — | Chemotherapy for liver cancer, Radioiodine therapy | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #6 | 4.7 / 5 (65 reviews) | Solingen, Germany | — | — | Radiofrequency ablation, CyberKnife for brain tumor | — | — | Best doctor for herniated disc treatment, German Cancer Society | |
| #7 | 4.6 / 5 (236 reviews) | Istanbul, Turkey | 20+ years | Removal of colon cancer, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #8 | 4.5 / 5 (165 reviews) | Tel Aviv, Israel | 41+ years34,000+ treatments | HIFU for prostate cancer treatment, Chemotherapy for breast cancer | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #9 | 5.0 / 5 (55 reviews) | Istanbul, Turkey | — | — | Mastectomy, Operation Marmara (microsurgical subinguinal varicocelectomy) | — | — | Joint Commission International , International Organization for Standardization | |
| #10 | 4.9 / 5 (55 reviews) | Istanbul, Turkey | — | — | Immunotherapy, Nephrectomy | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate |