Check out angel flight. I think they provide free medical transport.
http://search.yahoo.com/r/_ylt=A0oG7kNNka9NUHQASSFXNyoA;_ylu=X3oDMTE1OXZsb2gzBHNlYwNzcgRwb3MDMQRjb2xvA2FjMgR2dGlkA1ZJUDA1OV8xNDk-/SIG=11btg8c2j/EXP=1303373229/**http%3a//angelflight.com/