| #1 | | | Seul, República da Coreia | | 32+ tahun45,000+ tindakan | Radioterapi untuk kanker serviks, HIFU untuk pengobatan kanker prostat | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation |
| #2 | | | Seul, República da Coreia | | 37+ tahun65,000+ tindakan | Pneumonektomi, Histerektomi (pengangkatan rahim) | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation |
| #3 | | | Seul, República da Coreia | | 141+ tahun32,000+ tindakan | Mastektomi, Tiroidektomi | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek |
| #4 | | | Seul, República da Coreia | | 141+ tahun | Operasi kanker lidah, Reseksi hati | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |
| #5 | | | Seul, República da Coreia | | 141+ tahun | Pengangkatan polip lambung, Pneumonektomi | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |
| #6 | | | Seul, República da Coreia | | — | Pisau Gamma untuk tumor otak, Imunoterapi untuk kanker paru-paru | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek |