| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (23 reviews) | Seoul, Republic of Korea | — | 45,000+ treatments | Radioiodine therapy, Stomach cancer surgery | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #2 | 5.0 / 5 (9 reviews) | Seoul, Republic of Korea | — | — | Radiotherapy for breast cancer, Lumpectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #3 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Robotic da Vinci prostatectomy, Lobectomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.5 / 5 (7 reviews) | Seoul, Republic of Korea | — | 65,000+ treatments | Bone marrow transplantation, Sarcoma surgery | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #5 | 3.5 / 5 (4 reviews) | Seoul, Republic of Korea | — | — | Cryodestruction, Liver resection | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #6 | 4.5 / 5 (43 reviews) | Seoul, Republic of Korea | — | — | Lung segmentectomy, Lobectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #7 | 5.0 / 5 (1 review) | Seoul, Republic of Korea | — | — | Chemotherapy for gallbladder cancer, Thyroidectomy | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek | |
| #8 | 3.6 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | Nephrectomy, Mastectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |