| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (220 reviews) | Istanbul, Turkey | 20+ years | Removal of colon cancer, Allogenic bone marrow transplantation from a related donor | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #2 | 4.6 / 5 (364 reviews) | Istanbul, Turkey | — | — | Lymphadenectomy, Removal of meningioma | — | — | International Organization for Standardization, Joint Commission International | |
| #3 | 4.6 / 5 (518 reviews) | Istanbul, Turkey | 49+ years3,000+ treatments | Gastroectomy, CyberKnife for brain tumor | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #4 | 4.7 / 5 (442 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | Resection of large intestine, Breast cancer surgery | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #5 | 4.6 / 5 (129 reviews) | Antalya , Turkey | — | — | Resection of glioma, Brain tumor surgery | — | — | Joint Commission International | |
| #6 | 4.7 / 5 (156 reviews) | Vienna, Austria | 48+ years | Gastric polyps removal, Chemotherapy | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | ||
| #7 | 4.7 / 5 (137 reviews) | Istanbul, Turkey | 44+ years | Gamma Knife for brain tumor, Removal of meningioma | — | — | International Organization for Standardization, Joint Commission International | ||
| #8 | 4.4 / 5 (6 reviews) | Barcelona, Spain | 38+ years | Robotic da Vinci prostatectomy, Gastroectomy | — | — | Joint Commission International | ||
| #9 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | Robotic da Vinci prostatectomy, Pituitary tumor surgery | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | ||
| #10 | 5.0 / 5 (4 reviews) | Incheon, Republic of Korea | — | — | PET/CT | — | — | Korean Institute for Healthcare Accreditation |