For rescheduling or cancelling of appointment, please log in to SAF eHealth Portal https://www.safhealth.gov.sg/) and proceed to follow the instructions in the portal. If you need assistance, please approach or call your Unit's Personnel Admin Centre for assistance. You can find Personnel Admin Centres' contact numbers here https://www.ns.gov.sg/web/support/general/manage-medical-eHealth/Appointment-Bookings-and-Amendments/How-do-I-contact-my-Personnel-Admin-Centre-) Please provide a reason to reschedule/cancel your medical appointment. Personnel Admin Centre will assist with your request(s.