Why don't you contact the company directly for your medication and let your insurance just cover the office visit. The doctor just has to verify yoiur tratment plan. Also, check in your area with gastros and see if any are conducting studies.
If it came down to money I'd sell my HD Heritage Softail, even if it meant I had go to Daytona again riding *****. Set up a payment plan. Pay them what you can. You should worry about what you can do for yourself, not what the government is going to do for you. Go get better