| #1 | | | Incheon, República da Coreia | | 26+ tahun | Kolonoskopi | — | — | Korean Institute for Healthcare Accreditation |
| #2 | | | Seul, República da Coreia | | 32+ tahun45,000+ tindakan | Kemoterapi, Pengangkatan tumor otak | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation |
| #3 | | | Seul, República da Coreia | | 139+ tahun | Operasi kanker payudara, Histerektomi (pengangkatan rahim) | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |
| #4 | | | Incheon, República da Coreia | | 46+ tahun | Kemoterapi Intraperitoneal Hipertermik (HIPEC), Reseksi tiroid | — | — | World's Best Hospitals 2021 by Newsweek |
| #5 | | | Seul, República da Coreia | | 37+ tahun65,000+ tindakan | Kriodestruksi, Prostatektomi laparoskopi | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation |
| #6 | | | Seul, República da Coreia | | 141+ tahun32,000+ tindakan | Mastektomi, Pengangkatan tumor otak | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek |
| #7 | | | Seul, República da Coreia | | 141+ tahun | Kemoembolisasi hati, Reseksi rektum | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |
| #8 | | | Seul, República da Coreia | | 141+ tahun | Pneumonektomi, Radiosurgery stereotaktik | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |
| #9 | | | Seul, República da Coreia | | 52+ tahun | Terapi radioiodin, Operasi kanker paru-paru | — | — | World's Best Hospitals 2021 by Newsweek |
| #10 | | | Seul, República da Coreia | | — | Imunoterapi untuk kanker paru-paru, Kemoterapi untuk kanker kantung empedu | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek |