Dr Anton Sebastianpillai died four days after being admitted to the south west London hospital where he had worked.
The consultant geriatrician, who qualified as a doctor in Sri Lanka in 1967, finished his last shift on March 20.
A spokeswoman for Kingston Hospital NHS Foundation Trust said: āIt is with great sadness that I confirm the death of a consultant geriatrician who was part of the team at Kingston Hospital.
āDr Anton Sebastianpillai died on Saturday having been cared for in the hospitalās intensive care unit since March 31. We would like to extend our sincere condolences to his family.ā
In an obituary notice, he was referred to as a ādistinguished alumnusā.
The Telegraph