| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (539) | Istanbul, Turkey | 48+ years | Radiotherapy for breast cancer, Chemotherapy for liver cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.7 / 5 (161) | Istanbul, Turkey | 27+ years | Immunotherapy with Keytruda (Pembolizumab), Transurethral resection of the prostate (TURP) | — | — | International Organization for Standardization, Joint Commission International | ||
| #3 | 4.5 / 5 (55) | Istanbul, Turkey | — | — | Excision of skull base tumor, Thyroidectomy | — | — | Joint Commission International | |
| #4 | 4.9 / 5 (59) | Istanbul, Turkey | 25+ years | Chemotherapy, Hysterectomy (uterus removal) | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | ||
| #5 | 5.0 / 5 (1) | Istanbul, Turkey | — | — | Allogenic bone marrow transplantation from an unrelated donor, Brain tumor removal | — | — | Joint Commission International | |
| #6 | 4.5 / 5 (495) | Istanbul, Turkey | — | — | Brain tumor removal, CyberKnife | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #7 | 4.4 / 5 (49) | Istanbul, Turkey | — | — | CyberKnife for lung cancer, Autologous bone marrow transplantation | — | — | — | |
| #8 | 4.1 / 5 (42) | Istanbul, Turkey | 36+ years | Chemotherapy for stomach cancer, Radiotherapy for lung cancer | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #9 | 4.5 / 5 (2) | Istanbul, Turkey | — | — | Liver resection, Radiation therapy for colorectal cancer | — | — | Joint Commission International | |
| #10 | 4.2 / 5 | Istanbul, Turkey | 26+ years | Tomotherapy, Brachytherapy | — | — | Turkish Medical Association, TEMOS International Healthcare Accreditation |