| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (539) | Istanbul, Turkey | 20+ years | Pituitary tumor surgery, Stomach cancer surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.5 / 5 (260) | Istanbul, Turkey | 20+ years | Chemotherapy for pancreatic cancer, Throat cancer operation | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #3 | 4.6 / 5 (429) | Istanbul, Turkey | — | — | Trachelectomy (cervicectomy), Bone marrow transplantation | — | — | International Organization for Standardization, Joint Commission International | |
| #4 | 4.8 / 5 (8) | Istanbul, Turkey | — | — | Immunotherapy with Keytruda (Pembolizumab), Chemotherapy for ovarian cancer | — | — | — | |
| #5 | 4.8 / 5 (276) | Istanbul, Turkey | — | — | Mastectomy, Thyroidectomy | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #6 | 4.4 / 5 (34) | Istanbul, Turkey | — | — | Chemotherapy for lung cancer, Wedge Resection | — | — | International Organization for Standardization, Joint Commission International | |
| #7 | 4.3 / 5 (4) | Istanbul, Turkey | — | — | Tumor marker CA-125 | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #8 | 5.0 / 5 (1) | Istanbul, Turkey | — | — | Thyroidectomy | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 4.8 / 5 (34) | Eskisehir, Turkey | — | — | Tumor marker CA-125 | — | — | International Organization for Standardization, Turkish Medical Association | |
| #10 | 4.5 / 5 (495) | Istanbul, Turkey | — | — | SIRT therapy, Lung segmentectomy | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology |