| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (445 reviews) | Barcelona, Spain | — | 23,000+ treatments | CyberKnife, Lung cancer surgery | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 5.0 / 5 (0 reviews) | Punta Cana, Dominican Republic | — | — | Bladder cancer complex diagnosis | — | — | — | |
| #3 | 4.6 / 5 (521 reviews) | Istanbul, Turkey | — | — | Removal of meningioma, Whipple surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #4 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Thyroid resection , Lobectomy | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #5 | 4.5 / 5 (55 reviews) | Frankfurt am Main, Germany | — | — | Radiotherapy, Laparoscopic prostatectomy | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | |
| #6 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Bone marrow transplantation, Nephrectomy | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #7 | 4.6 / 5 (128 reviews) | Bangkok, Thailand | — | — | Chemotherapy for liver cancer, Brachytherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.2 / 5 (34 reviews) | Istanbul, Turkey | 10+ years | Nephrectomy, Pituitary tumor surgery | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #9 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Brain tumor surgery, Stereotaxic radiosurgery | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #10 | 4.5 / 5 (43 reviews) | Seoul, Republic of Korea | — | — | Liver resection, CyberKnife for brain tumor | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |