| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (211 reviews) | Istanbul, Turkey | 24+ years | Metabolic surgery, Radioiodine therapy | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #2 | 5.0 / 5 (2 reviews) | Bangkok, Thailand | — | — | HbA1C Test | — | — | ISO 9001:2015 Quality management systems | |
| #3 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Radioiodine therapy, Thyroidectomy | — | — | International Organization for Standardization, Joint Commission International | |
| #4 | 4.4 / 5 (81 reviews) | Bangkok, Thailand | — | — | Diabetes mellitus treatment with stem cells | — | — | Royal College of Surgeons Thailand | |
| #5 | 5.0 / 5 (53 reviews) | Istanbul, Turkey | — | — | HbA1C Test | — | — | Joint Commission International , International Organization for Standardization | |
| #6 | 4.9 / 5 (9 reviews) | Bangkok, Thailand | — | — | HbA1C Test | — | — | Royal College of Surgeons Thailand | |
| #7 | 5.0 / 5 (0 reviews) | Thessaloniki, Greece | — | — | HbA1C Test | — | — | Patient choice in Rehabilitation, International Health Tourism Authorization Certificate | |
| #8 | 4.0 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | HbA1C Test | — | — | — | |
| #9 | 4.3 / 5 (0 reviews) | Istanbul, Turkey | — | — | HbA1C Test | — | — | Turkish Medical Association | |
| #10 | 4.7 / 5 (31 reviews) | Eskisehir, Turkey | — | — | HbA1C Test | — | — | International Organization for Standardization, Turkish Medical Association |