This page explains how you can apply to come to the United Kingdom as a postgraduate doctor or dentist.
You should read the page on switching if you are already in the United Kingdom under a different immigration category and want to remain in the United Kingdom as a postgraduate doctor or dentist.
For details of the requirements you must meet to qualify under this category, see eligibility.
If you are currently outside the United Kingdom, you will need to apply for a visa before you travel to the United Kingdom. Visa applications are processed by visa services, their website provides a visa enquiry form that you can use to decide whether you will need to apply for a visa. If you need a visa, you should make your application at your nearest British diplomatic post.
Visa services, Foreign and Commonwealth Office, King Charles Street, London, SW1A 2AH. If you are outside the United Kingdom you should contact you nearest British diplomatic post.