| 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, Nephrectomy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #2 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Colectomy (large bowel resection), Minimally invasive fusion surgery | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #3 | 4.8 / 5 (5 reviews) | Incheon, Republic of Korea | — | — | Hyperthermic Intraperitoneal Chemotherapy (HIPEC), Deep brain stimulation (DBS) surgery | — | — | World's Best Hospitals 2021 by Newsweek | |
| #4 | 3.5 / 5 (4 reviews) | Seoul, Republic of Korea | — | — | Liver resection, Cryodestruction | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #5 | 4.5 / 5 (43 reviews) | Seoul, Republic of Korea | — | — | Radiation therapy for colorectal cancer, Radiation therapy for brain tumor | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |