| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (484 reviews) | Barcelona, Spain | — | 23,000+ treatments | Excision of skull base tumor, Ocrevus (ocrelizumab) | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | 33+ years | Liver resection, Chemotherapy for liver cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #3 | 4.6 / 5 (234 reviews) | Istanbul, Turkey | 24+ years | Removal of colon cancer, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.4 / 5 (109 reviews) | Bangkok, Thailand | — | — | Complex treatment of Ewing's sarcoma, Stem cell therapy for Parkinson's disease | — | — | Royal College of Surgeons Thailand | |
| #5 | 4.5 / 5 (495 reviews) | Istanbul, Turkey | 38+ years | Bone marrow transplantation, The Wertheim-Meigs operation | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | ||
| #6 | 4.5 / 5 (6 reviews) | Antalya , Turkey | 24+ years | Discectomy, Hormone therapy | — | — | International Health Tourism Authorization Certificate | ||
| #7 | 4.6 / 5 (414 reviews) | Istanbul, Turkey | 30+ years | Immunotherapy with Keytruda (Pembolizumab), Thyroidectomy | — | — | International Organization for Standardization, Joint Commission International | ||
| #8 | 4.2 / 5 (86 reviews) | Jelenia Góra, Poland | — | — | Discectomy, Gastroenterostomy | — | — | International Organization for Standardization, Polish Association of Medical Tourism | |
| #9 | 4.5 / 5 (8 reviews) | Bangkok, Thailand | 12+ years | Herniated disc surgery, Hormone therapy | — | — | International Organization for Standardization | ||
| #10 | 5.0 / 5 (4 reviews) | Incheon, Republic of Korea | 25+ years | Brain MRI | — | — | Korean Institute for Healthcare Accreditation |