| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (174) | Vienna, Austria | 46+ years | — | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | ||
| #2 | 3.8 / 5 (8) | Vienna, Austria | — | — | — | — | — | — | |
| #3 | 4.2 / 5 (21) | Vienna, Austria | 26+ years | ECG | — | — | International Organization for Standardization | ||
| #4 | 4.5 / 5 (19) | Vienna, Austria | 21+ years | — | — | — | International Organization for Standardization, World's Best Hospitals 2026 by Newsweek |