That’s so unfortunate that your options are so limited - I mistakenly thought that Australia would be brimming with specialists. Do they practice socialized or government sponsored health care? If so there are always private doctors who cater to those who desire a higher standard of care - or at least a more attentive care provider.
I don’t know your financial situation so I can’t really give you a direction on this. I just know that sometimes paying out of pocket gets you a lot closer to what you need. Best of luck to you.
Phil