| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (543) | Istanbul, Turkey | 33+ years | Therapy with radioactive iodine in thyroid cancer, Tongue cancer surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.5 / 5 (172) | Tel Aviv, Israel | 42+ years34,000+ treatments | Chemotherapy, Mastectomy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.6 / 5 (175) | Vienna, Austria | — | — | Consultation of a radiologist | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | |
| #4 | 5.0 / 5 (3) | Madrid, Spain | — | — | CyberKnife, Thyroid resection | — | — | Joint Commission International , International Organization for Standardization | |
| #5 | 4.6 / 5 (165) | Istanbul, Turkey | — | — | Brain tumor removal, Stereotaxic radiosurgery | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.7 / 5 (69) | Solingen, Germany | — | — | Removal of meningioma, Rectal resection | — | — | Best doctor for herniated disc treatment, German Cancer Society | |
| #7 | 4.8 / 5 (296) | Istanbul, Turkey | — | — | Mastectomy, Bone resection | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #8 | 3.8 / 5 (6) | Madrid, Spain | — | — | Hysterectomy (uterus removal), Bone marrow transplantation | — | — | World's Best Hospitals 2021 by Newsweek | |
| #9 | 4.6 / 5 (19) | Guangzhou, China | — | — | Mastectomy, Gamma Knife for brain tumor | — | — | — | |
| #10 | 4.4 / 5 (35) | Istanbul, Turkey | — | — | Transnasal resection of tumor, Lung segmentectomy | — | — | International Organization for Standardization, Joint Commission International |