I was also diagnosed with Multifocal Motor Neuropathy, My insurance paid 100 % when i was receiving the treatment in a doctors office. Now im receiving it in the hospital ( Outpatient) and i now i have to pay 10% after what the insurance has paid. Are you on disability ? If not you might want to look into that. Im on social security and im 25 and it pays alot better than i thought. Also i think you made the wrong choice about putting off the treatments when your symptoms started showing, reason being said is that i did the same thing and the worst mistake i ever made because i was a week or two from being on my death bed. I am also taking IVIG once every 2 weeks, and on Rituximab ( chemotherapy) very good treatment, a month or so after my first treatment of Rituximab I've started to regain some strength and walking a little bit better. On the Rituximab treatment they have me setup a treatment every 10 weeks for 2 years. Really the best medicine for this disorder is to keep high spirits, keep a good attitude as much as possible, and stay as active as you can ( whatever your body will allow ).

God Bless Everyone and their families that have been affected.
Good Luck,

Steven