U can try Dr Herbert K Cheung
Tel: 9212 3333
Add: The Miramar,Suite 276, Level C3, 398-408 Pitt Street, Sydney (near Central station)
He's a nice doctor who come from HK (many yrs ago), but bear in mind that he's very busy and u have to wait for quite a long time in his clinic even u have make appointment. He don't accept bulkbill, but u can claim part of the money back from medicare.