| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 1.0 / 5 (1) | Seoul, Republic of Korea | — | — | Small intestine resection, Gastric polyps removal | — | — | Korean Institute for Healthcare Accreditation | |
| #2 | 4.5 / 5 (23) | Seoul, Republic of Korea | 45,000+ treatments | Radioiodine therapy, Thyroid resection | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #3 | 5.0 / 5 (9) | Seoul, Republic of Korea | — | — | Hysterectomy (uterus removal), Thyroid resection | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #4 | 4.9 / 5 (7) | Seoul, Republic of Korea | — | 32,000+ treatments | Craniotomy, Robotic da Vinci prostatectomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #5 | 4.8 / 5 (5) | Incheon, Republic of Korea | — | — | Hyperthermic Intraperitoneal Chemotherapy (HIPEC), Thyroid resection | — | — | World's Best Hospitals 2021 by Newsweek | |
| #6 | 4.5 / 5 (7) | Seoul, Republic of Korea | — | 65,000+ treatments | Pancreatic cancer surgery , Pneumonectomy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #7 | 3.5 / 5 (4) | Seoul, Republic of Korea | — | — | Brain tumor surgery, Laparoscopic nephrectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #8 | 4.5 / 5 (43) | Seoul, Republic of Korea | — | Prostatectomy, Lobectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #9 | 5.0 / 5 (1) | Seoul, Republic of Korea | — | — | Removal of liver cancer, Thyroidectomy | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek |