I just saw your post. Perhaps the following links will help.
http://blog.whatnext.com/blog/peer-perspectives/9-tips-for-dealing-with-the-financials-of-cancer
http://whatnext.com/questions/how-did-you-deal-with-the-financial-aspects-of-cancer
http://www.patientadvocate.org/
http://www.cancercare.org/financial
I hope this helps.
David