| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (539) | Istanbul, Turkey | 49+ years3,000+ treatments | Pituitary tumor surgery, Leukemia chemotherapy | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.7 / 5 (161) | Istanbul, Turkey | 27+ years | Transnasal resection of tumor, Brain tumor removal | — | — | International Organization for Standardization, Joint Commission International | ||
| #3 | 4.5 / 5 (262) | Istanbul, Turkey | — | — | Plasmapheresis, Excision of skull base tumor | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | |
| #4 | 4.6 / 5 (430) | Istanbul, Turkey | 30+ years | Enucleation of eye, Haploidentical Stem Cell Transplantation | — | — | International Organization for Standardization, Joint Commission International | ||
| #5 | 5.0 / 5 (57) | Istanbul, Turkey | — | — | Brain tumor removal, Chemotherapy | — | — | Joint Commission International , International Organization for Standardization | |
| #6 | 4.9 / 5 (59) | Istanbul, Turkey | — | — | Chemotherapy, Pituitary tumor surgery | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #7 | 4.4 / 5 (34) | Istanbul, Turkey | — | — | Allogenic bone marrow transplantation from an unrelated donor, Radiation Therapy for Sarcomas | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 5.0 / 5 (1) | Istanbul, Turkey | — | — | Sarcoma Immunotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 4.5 / 5 (495) | Istanbul, Turkey | — | — | Brain tumor removal, Allogenic bone marrow transplantation from an unrelated donor | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #10 | 4.4 / 5 (49) | Istanbul, Turkey | — | — | Autologous bone marrow transplantation, Bone marrow transplantation | — | — | — |