| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (58) | Istanbul, Turkey | — | — | Radiotherapy, Brain tumor removal | — | — | Joint Commission International , International Organization for Standardization | |
| #2 | 4.7 / 5 (494) | Barcelona, Spain | — | 23,000+ treatments | Chemotherapy for uterine cancer, HIFU for prostate cancer treatment | — | — | Joint Commission International , European Foundation for Quality Management | |
| #3 | 4.6 / 5 (542) | Istanbul, Turkey | — | — | Pituitary tumor surgery, Hyperthermic Intraperitoneal Chemotherapy (HIPEC) | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #4 | 4.6 / 5 (165) | Istanbul, Turkey | — | — | Stereotaxic surgeries, Transurethral resection of the prostate (TURP) | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.7 / 5 (44) | Barcelona, Spain | — | 14,000+ treatments | Bone marrow transplantation | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #6 | 4.5 / 5 (495) | Istanbul, Turkey | — | — | Lung segmentectomy, Nephrectomy | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #7 | 4.6 / 5 (131) | Bangkok, Thailand | — | — | Transnasal resection of tumor, Thyroidectomy | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.5 / 5 (57) | Frankfurt am Main, Germany | — | — | Breast cancer surgery, Hyperthermic Intraperitoneal Chemotherapy (HIPEC) | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | |
| #9 | 4.1 / 5 (42) | Istanbul, Turkey | 10+ years | Liver resection, Colectomy (large bowel resection) | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #10 | 3.5 / 5 (4) | Seoul, Republic of Korea | — | — | Laparoscopic nephrectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |