| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.8 / 5 (8) | Istanbul, Turkey | 5+ years | — | — | — | — | ||
| #2 | 4.7 / 5 (492) | Barcelona, Spain | — | 23,000+ treatments | — | — | — | Joint Commission International , European Foundation for Quality Management | |
| #3 | 4.6 / 5 (175) | Vienna, Austria | 25+ years | — | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | ||
| #4 | 5.0 / 5 (1) | Warsaw, Poland | — | — | — | — | — | — | |
| #5 | 5.0 / 5 (1) | Bangkok, Thailand | — | — | — | — | — | — | |
| #6 | — / 5 | Wuppertal, Germany | 36+ years | — | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society | ||
| #7 | 3.6 / 5 | Goyang, Republic of Korea | — | — | — | Robotic coronary bypass for multivessel disease | Korea's first totally endoscopic robotic coronary bypass (TECAB) for multivessel disease. Comprehensive post-MI care with cardiac rehab and a heart transplant program. | Advanced Regenerative Medicine Implementation Institution (Ministry of Health and Welfare, Republic of Korea) | |
| #8 | 5.0 / 5 (1) | Tekirdag, Turkey | 36+ years | — | — | — | American Accreditation Commission International | ||
| #9 | 5.0 / 5 (3) | Madrid, Spain | — | — | — | — | — | Joint Commission International , International Organization for Standardization | |
| #10 | 4.7 / 5 | Cheonan, Republic of Korea | 42+ years | — | — | — | Korean Institute for Healthcare Accreditation, Best clinic for patients with rare diseases |