| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (22 reviews) | Seoul, Republic of Korea | — | 45,000+ treatments | Stomach cancer surgery, Chemotherapy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #2 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Craniotomy, Minimally invasive fusion surgery | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #3 | 4.8 / 5 (4 reviews) | Incheon, Republic of Korea | — | — | Hyperthermic Intraperitoneal Chemotherapy (HIPEC), Thyroid resection | — | — | World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Liver resection, Pneumonectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #5 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | — | Chemoembolization of the liver, Gamma Knife | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |