NATIONAL CANCER CENTRE OF SINGAPORE PTE LTD
NATIONAL DENTAL CENTRE OF SINGAPORE PTE LTD
NATIONAL HEALTHCARE GROUP EYE INSTITUTE
NATIONAL HEART CENTRE SINGAPORE
NATIONAL NEUROSCIENCE INSTITUTE OF SINGAPORE PTE LTD (NNI)
NATIONAL SKIN CENTRE (S) PTE LTD
NATIONAL UNIVERSITY HOSPITAL
NG TENG FONG GENERAL HOSPITAL & JURONG COMMUNITY HOSPITAL
NOVENA MEDICAL CENTER SINGAPORE