| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (9 reviews) | Seoul, Republic of Korea | — | — | Radiotherapy for breast cancer, Mastectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #2 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Thyroidectomy, Craniotomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #3 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Myomectomy (removal of uterine fibroids), Nephrectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #4 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | — | Stomach cancer surgery, Robotic da Vinci prostatectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #5 | 5.0 / 5 (1 review) | Seoul, Republic of Korea | — | — | Chemotherapy for gallbladder cancer, Gamma Knife for brain tumor | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek |