Tung Shin Hospital, previously known as Pooi Shin Thong, was founded in 1881 by Kapitan Cina Yap Kwan Seng, to provide traditional medical care for patients. Initially it was situated at Sultan Street, Kuala Lumpur.

In 1894 it was converted into a non-profit organization and its name was changed to Tung Shin Hospital. The hospital was then shifted to the present address. A new single story ward was built in 1917. It was rebuilt in 1959 into a double storey, u-shape medical ward. The building was completed in 1961 and named the Welfare Ward.