An individual can apply for Medicare when he or she has crossed the age of 65 as per the government rules and guidelines one can’t apply for Medicare until he/she has crossed the age of 65.
However, if there are any short serious disease or an illness in which the doctor has declared a particular patient disabled for 2 years or more in such case Medicare for that particular person could be applied. The process could be a bit exhausting as one need an attorney to make that whole process and document work done.
you can apply for Medicare from here: www.medicare.gov