DIscovery medical aid SHAME ON YOU!

They have blocked all methods of contacting them. If they call you and you you try to call back you get get a message saying "the number you have dialled does not exist" EXCUSE ME? I have tried every way I can think of to contact them...phone, email, letters... I am way BEYOND angry at this point. They have have locked themselves up in an ivory tower from which they deal with us as if we are worthless **** just waiting to be cheated, denied help, bled dry and left to die without recourse to any help or information whatsoever.