| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (517 reviews) | Istanbul, Turkey | — | — | Excision of skull base tumor, Radiation therapy for brain tumor | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 4.7 / 5 (156 reviews) | Vienna, Austria | — | — | Сonsultation with an oncohematologist | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | |
| #3 | 3.8 / 5 (8 reviews) | Vienna, Austria | — | — | Сonsultation with an oncohematologist | — | — | — | |
| #4 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Sarcoma Immunotherapy, Haploidentical Stem Cell Transplantation | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #5 | 5.0 / 5 (55 reviews) | Istanbul, Turkey | — | — | Сonsultation with an oncohematologist | — | — | Joint Commission International , International Organization for Standardization | |
| #6 | 5.0 / 5 (2 reviews) | Ramat Gan, Israel | — | 45,000+ treatments | Lymphoma chemotherapy, Removal of rhabdomyosarcoma | — | — | Best Maternity Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek | |
| #7 | 4.6 / 5 (136 reviews) | Istanbul, Turkey | — | — | Allogenic bone marrow transplantation from a related donor, CyberKnife for brain tumor | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.5 / 5 (156 reviews) | Tel Aviv, Israel | 38+ years34,000+ treatments | Biological therapy, Cryotherapy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #9 | 4.6 / 5 (66 reviews) | Milan, Italy | — | 8,000+ treatments | Bone marrow transplantation, Gamma Knife for brain tumor | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #10 | 4.5 / 5 (52 reviews) | Frankfurt am Main, Germany | — | — | Radiotherapy, Brain tumor surgery | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking |