The Travelling Doctors community is a great source of information and with luck you will find the answers to your questions on the forum. If you cannot find what you are looking for then post your question and someone should answer (most people have had the same issues before they came out).

Usually the hospitals provide specific information about visa's and medical registration. Travelling Doctors doesn't provide direct assistance with official documentation but there are many people within the community who will be able to offer help.