| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.0 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | Bone marrow transplantation, Hysterectomy (uterus removal) | — | — | — | |
| #2 | 4.5 / 5 (22 reviews) | Seoul, Republic of Korea | — | 45,000+ treatments | Radiotherapy for lung cancer, Stomach cancer surgery | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #3 | 5.0 / 5 (9 reviews) | Seoul, Republic of Korea | — | — | Thyroid resection , Breast cancer surgery | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #4 | 5.0 / 5 (3 reviews) | Busan, Republic of Korea | — | — | Thyroid function tests (including T3, T4, TSH) | — | — | — | |
| #5 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Mastectomy, Robotic da Vinci prostatectomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #6 | 4.5 / 5 (7 reviews) | Seoul, Republic of Korea | — | 65,000+ treatments | Throat cancer operation, Thyroid resection | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #7 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Liver resection, Pneumonectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #8 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | — | Radioiodine therapy, CyberKnife | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #9 | 5.0 / 5 (2 reviews) | Seoul, Republic of Korea | — | — | Chemotherapy for lung cancer, Radioiodine therapy | — | — | World's Best Hospitals 2021 by Newsweek | |
| #10 | 5.0 / 5 (1 review) | Seoul, Republic of Korea | — | — | Robotic da Vinci prostatectomy, Bone marrow transplantation | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek |