Doctors will be required to meet clinical standards and have kept up to date with medical advances as a wave of new skills checks are ushered in from today.
Described as "the biggest change in medical regulation for more than 150 years", the so-called revalidation process is intended to reach all 230,000 of the UK's licensed doctors.
At present, doctors can go for their entire careers without facing any formal assessment of their competency.
But under radical plans coming into force from today, doctors will be assessed to see if they are fit to stay on the medical register.
More top news
Russian air strikes have forced Islamic State to retreat to the outskirts of the ancient city, the Syrian Observatory for Human Rights said.
Fiona Hill branded the former education secretary "that woman" after Ms Morgan criticised the PM's decision to wear £995 trousers.
Revered journalist AA Gill, who died weeks after revealing he had cancer, dedicated his final article to his experience with the NHS.