Do visitors qualify for medical treatment from the National Health Service?
This page explains whether you are entitled to free medical treatment from the National Health Service (NHS) while you are visiting the United Kingdom.
Visitors are not allowed to enter or stay in the United Kingdom to receive free medical treatment from the NHS. Except for treatment given in a hospital's accident and emergency department, you will be charged for any treatment you receive. You should ensure that you have enough medical insurance to cover your stay.
You can find more information on the Department of Health website.