| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (441 reviews) | Barcelona, Spain | — | 23,000+ treatments | CyberKnife for brain tumor, Prostatectomy | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Trans-sphenoidal hypophysectomy (adenomectomy), CyberKnife | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #3 | 4.0 / 5 (1 review) | Hamburg, Germany | — | — | Chemotherapy, Nephrectomy | — | — | World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.5 / 5 (155 reviews) | Tel Aviv, Israel | — | 34,000+ treatments | Removal of spinal cord tumor, Brachytherapy for prostate cancer | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | |
| #5 | 4.7 / 5 (133 reviews) | Istanbul, Turkey | — | — | Radiotherapy, Stereotaxic radiosurgery | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.6 / 5 (17 reviews) | Guangzhou, China | — | — | Chemoembolization of the liver, Immunotherapy | — | — | — | |
| #7 | 4.6 / 5 (127 reviews) | Bangkok, Thailand | — | — | Minimally invasive fusion surgery, Throat cancer operation | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.4 / 5 (32 reviews) | Istanbul, Turkey | 10+ years | Autologous bone marrow transplantation, Chemotherapy | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #9 | 4.2 / 5 (7 reviews) | Thessaloniki, Greece | — | — | Mastectomy, Robotic da Vinci prostatectomy | — | — | TEMOS International Healthcare Accreditation, Global Healthcare Accreditation Program | |
| #10 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Minimally invasive fusion surgery, Thyroidectomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek |