Prior to this, Dr Crowley worked in both the government and private sectors in South Australia. He completed formal training in this specialty in 2012, and now has extensive experience in assessing and managing a large range of substance use presentations in hospital, community, and workplace settings. This work has also included a strong focus on academic research and teaching on a range of topics within this medical specialty.

Dr Philip Crowley has attended and participated in medical meetings in Australia and internationally to ensure that he maintains contemporary skills and knowledge in this area. Dr Crowley has a special interest in medicolegal and regulatory assessments of people with potential drug and alcohol use disorders and has authored publications on long-term pharmacotherapy of alcohol use disorders and on opioid risk management in long-term non-cancer pain.