| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 1.0 / 5 (1) | Seoul, Republic of Korea | 8+ years | Thyroidectomy, Colon hydrotherapy | — | — | Korean Institute for Healthcare Accreditation | ||
| #2 | 4.5 / 5 (23) | Seoul, Republic of Korea | — | 45,000+ treatments | Radioiodine therapy, Thyroidectomy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #3 | 4.6 / 5 | Seoul, Republic of Korea | — | — | Basic check-up | — | — | — | |
| #4 | — / 5 | Incheon, Republic of Korea | — | — | Coronary angiography, Appendectomy | — | — | Advanced Regenerative Medicine Implementation Institution (Ministry of Health and Welfare, Republic of Korea), Korean Institute for Healthcare Accreditation | |
| #5 | 3.8 / 5 | Incheon, Republic of Korea | — | — | Basic check-up | — | — | Korean Institute for Healthcare Accreditation | |
| #6 | 5.0 / 5 (9) | Seoul, Republic of Korea | — | — | Basic check-up | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #7 | 4.5 / 5 | Seoul, Republic of Korea | — | — | Appendectomy | — | — | — | |
| #8 | 4.8 / 5 (6) | Seoul, Republic of Korea | — | 32,000+ treatments | Thyroidectomy, Robotic da Vinci prostatectomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #9 | 4.8 / 5 (5) | Incheon, Republic of Korea | — | — | Basic check-up | — | — | World's Best Hospitals 2021 by Newsweek | |
| #10 | 4.5 / 5 (7) | Seoul, Republic of Korea | — | 65,000+ treatments | Stomach resection, Circumcision | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation |