Dr Le offers specialist psychiatrist ADHD assessments and management plans for GPs Australia wide. Your GP can use this to support their application for authority to initiate and prescribe stimulant treatment. Please note the regulations regarding authority to prescribe change depending on which state or territory you live in.
You can find out what the rules and regulations are in your state or territory here.
The Australian ADHD National Guidelines were released in September 2022.
You can find the copy of the guidelines here.
Articles on ADHD and gaming disorder here