sorry to hear about your cancer man but if the state you live in is approved for medical marijuana ther are plenty of sites online that list doc's names who prescibe med. herb, only problem is insurance dosent cover a consultaion and its about 250$ + so oyu have to determine if you would rather have a nice sack or a card but if you live in california heres a link to a list of people (only one ive researched due to its my location) :

http://www.canorml.org/prop/215physicians.html

acually the link has doc names and numers for cali, hawiai, nevada, colorado, and washingto enijoi