Yes. Our doctors only issue a Centrelink certificate when they can properly assess your condition, and its effect on your capacity, through a telehealth consultation. They may instead advise you to see your regular GP, or to register with a local GP if you don't have one. This is most likely where the certificate would [...]

Yes, you can get a regular medical certificate as well as a Centrelink certificate. If you also need a standard medical certificate for your employer or university, the doctor can issue one during the same consultation at no extra cost; it's included in the consultation fee.

Centrelink accepts certificates from registered medical practitioners. Acceptance of any certificate depends on their assessment of your circumstances. However, long-term or recurrent conditions are best handled by your usual GP.

Yes, in the sense most people mean: a doctor can issue a certificate today that covers a period of illness that has already started, provided the absence  is recent and consistent with your history and the doctor's assessment. The certificate will always show today's date as the date of the consultation, which is part of [...]

That depends on how your doctor issues it. If they lodge the SU683 digitally, it goes to Services Australia directly. If you receive an SU415, upload it through your Centrelink online account in myGov, or lodge it at a Centrelink service centre.

They have the same purpose; SU683 is the digital version lodged directly with Centrelink through HPOS, which only GPs can use, so there's no paper to lose. The SU415 is the paper version, which can be printed out and filled manually.

Yes, this can sometimes be done for short-term conditions, after a video consultation with a registered GP, and subject to the doctor's assessment. For Disability Support Pension (DSP) and long-term or recurring conditions (lasting more than a week or so), you should see your regular GP instead.