Major hospitals in Seoul are:

Severance Yonsei Univ. Hospital
134, Shinchon-dong, Sudaemun-ku, Seoul Emergency Room: 361-6669/6863
International Clinic: 361-6540

Asan Medical Center
388-1, Pungnap-dong, Songpa-ku, Seoul Emergency Room: 2224-3331/6
International Clinic: 2224-5002

Kangbuk Samsung Medical Hospital
108, Pyo-dong, Chongro-ku
International Clinic: 723-2911

Cha Women's Hospital
650-9, Yeoksam-dong, Kangnam-ku International Clinic:3468-3113

Seoul National Univ. Hospital
28, Yangun-dong, Chongro-ku
Emergency : 760-2473
Switch board: 760-2114

Samsung Cheil Hospital
1-23, Mukjung-dong,
Chung-ku Foreigners' Clinic: 2274-1231

Samsung Medical Center
388-1, Poongnap-dong, Songpa-ku
International Clinic: 3410-0200

Sunchonyan Hospital
651, Hannam-dong, Yongsan-ku

This hospital is the closest to Itaewon, Hannam-dong, UN village and Dongbinggo-dong. Recently they have improved the services for foreigners.