Dr McMahon graduated from UNSW and after completing his residency years at Prince Henry and Prince of Wales Hospitals, he joined a busy general practice in Malabar as a partner.

After the family relocated to the Gold Coast he established the Robina Parkway Medical Centre where he worked for a number of years before eventually moving to the Mermaid Beach Medical Centre. 

Dr McMahon has now returned to Robina where he will continue to provide comprehensive primary medical care to his patients.

Dr McMahon does not see new patients.