| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.9 / 5 (9 reviews) | Bangkok, Thailand | — | — | Blood sugar level test | — | — | Royal College of Surgeons Thailand | |
| #2 | 5.0 / 5 (3 reviews) | Incheon, Republic of Korea | — | — | Blood sugar level test | — | — | Korean Institute for Healthcare Accreditation | |
| #3 | 5.0 / 5 (2 reviews) | Bangkok, Thailand | — | — | Blood sugar level test | — | — | ISO 9001:2015 Quality management systems | |
| #4 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Thyroidectomy, Radioiodine therapy | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #5 | 4.6 / 5 (130 reviews) | Hamburg, Germany | — | — | Thyroidectomy | — | — | International Organization for Standardization, Medical Travel Quality Alliance | |
| #6 | 4.7 / 5 (7 reviews) | Hamburg, Germany | — | — | Blood sugar level test | — | — | International Organization for Standardization, CERTKOM certificate for qualified pain therapy | |
| #7 | 4.0 / 5 (1 review) | Hamburg, Germany | — | — | Blood sugar level test | — | — | World's Best Hospitals 2021 by Newsweek | |
| #8 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Radioiodine therapy, Thyroidectomy | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #9 | 4.8 / 5 (172 reviews) | Istanbul, Turkey | 37+ years | Thyroidectomy, Metabolic surgery | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | ||
| #10 | 4.9 / 5 (25 reviews) | Istanbul, Turkey | — | — | Blood sugar level test | — | — | Patient choice for robotic prostate surgery, Robotic Surgery Center of Exellence |