| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (19) | Vienna, Austria | — | — | Sexology | — | Dedicated transgender outpatient clinics in gynecological endocrinology and endocrinology. University hospital of the Medical University of Vienna, with treating physicians in research and teaching roles. | International Organization for Standardization, World's Best Hospitals 2026 by Newsweek |