My Mother Needs Help In Choosing The Health Insurance,medicare, As Copatable As She Has In Miamifl For Marylan?

i need very confident advice for my mother’s health insurance (medicare).she is 66 years old,lives in miami. florida.she has summit (VISTA)health plan,which covers all her needs without spending any money from her pocket,because her monthly security check is only $6oo/month.in fact from mar/09 she is getting $55/month over the counter medications which are,in the the plan’s list.the open enrollment starts from nov/15 to dec/31.so we have to decide now to change her health insurance for maryland for 2010.year start.please only those answer who understand very well about the health insurance coverage for florida and maryland.and it should be compatible to her existing full coverage with summit or care plus plan she used to have before summit.fully covered for every thing,as she has no money to pay from her pocket.
we do not know any one in maryland in friends and family with the same situation.most of the people are still working so they are covered by the employers,no one is like her situation to guide us.
she could get more help but due to her 401k,little investment money in IRA,she can not get any extra help,even though she desperately need it.
i hope some one out there definitely know in details to inform us before we change.thank you