There are a few of us here that have had our bands out.
As you are on the Gold Coast you could try Dr Justin Greenslade in Greenslopes as it wouldn't be too far to travel.
He might bulk bill you through QE2 hospital at Coopers Plains.
Anyway best way to find out is to give his office a call - 3324-0015
I'm sure you will find someone willing to take it out - especially if you are going to have a second procedure like the Sleeve or By-Pass.
Actually, PS - what a complete b*astard for not removing it through the Public system and therefore bulk billing you. Just out to make a buck.