from
http://www.ujnews.com/html/info.shtml:National Health Service
Treatment under the National Health Service (NHS) is only available to permanent residents of the United Kingdom. Britons living abroad who return on a temporary visit to the UK will be expected to pay privately for all treatment other than of an emergency nature. Additional information is available in the Frequently Asked Question, What health care services are available to travellers to the UK?
NHS treatment is available only in Britain. Those moving to the United States are advised to obtain private health insurance before leaving Britain from an insurance company or travel agency. Upon arriving in the United States, coverage can be arranged through a US provider.
With the exception of emergency care treatment, American tourists to the United Kingdom do not receive free health care through the National Health Service. Detailed information on emergency care and hospital care for tourists is available from the National Health Service.
Additional information on NHS services can be found on the NHS A to Z web site.
General information on medical care for tourists can be found on the following web sites:
* British Tourist Authority
* The US Department of State Consular Information Sheet
The American Embassy London provides useful information on private health care:
* Independent Medical Facilities
* General Practitioners
* Dentists in the UK