| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (356 reviews) | Istanbul, Turkey | — | — | HLA-typing, Consultation with creation of treatment plan | — | — | International Organization for Standardization, Joint Commission International | |
| #2 | 5.0 / 5 (7 reviews) | Istanbul, Turkey | — | — | Heart transplant | — | — | International Organization for Standardization, Joint Commission International |