1962 – Nam Hong Welfare Siang Theon was founded 57 years ago at Chong Pang village, a small office next to a temple.
1984 – Office was relocated to 475 Yishun Ring Road
2001 – Nam Hong Welfare Siang Theon Free Medical Centre was launched on 16th May in 111 Yishun Ring Road
2007 – Nam Hong Welfare Service Society was registered with Registrar of Societies on 17th May
2009 – Nam Hong Welfare Service Society was registered with the Commissioner of Charity on 5 February
2011 – Opening of Woodlands Satellite Clinic on 11 October
2017 – Closure of Woodlands Satellite Clinic on 1 June
2019 – Completion of new medical centre to treat and care chronic illness such as after-stroke, cancer after-effects, and diabetes