| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (173 reviews) | Vienna, Austria | 25+ years | Heart сheck up | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | ||
| #2 | 4.4 / 5 (0 reviews) | Graz, Austria | — | — | Heart сheck up | — | — | International Organization for Standardization | |
| #3 | 3.9 / 5 (0 reviews) | Vienna, Austria | — | — | Heart сheck up | — | — | ISO 9001:2015 Quality management systems, International Organization for Standardization |