Complaints against general health service providers are managed by the Health Complaints Commissioner whose details are available at https://hcc.vic.gov.au/.
The Code of Conduct for General Health Services can be found at https://hcc.vic.gov.au/sites/default/files/media/general_code_of_conduct_a4_0.pdf
Information for the public can be found at https://hcc.vic.gov.au/public
If you have a complaint against Isaac or Anita please feel free to contact us first, as most issues can be sensibly resolved without aggression or upset.
However if you are not satisfied you have every right to contact the health Complaints Commissioner.