Do you have a reliable source?
(edit:
I found a speech by Stephen Hawking on the matter:
https://www.hawking.org.uk/in-words/speeches/speech-1
Quick summary: At the start of the speech he refutes a claim that death panels exist in the UK NHS and that they would have let him die. Of course the strongest refutation is the fact that he was at the time -in fact- quite alive; thanks to the NHS.
)