Dr Gallagher is a specialist obstetrician and gynaecologist and has been working in private practice in Deakin since 2002. She looks after women during their pregnancies and for their deliveries, and also look after women with gynaecological issues.

Her obstetric practice is based around The Calvary John James Hospital located in Deakin. She is also a Visiting Medical Officer (specialist) at The Canberra Hospital, so she is able to continue to look after her patients if they or their babies reuire the specialist care only available at a tertiary hospital. She shares weekend calls with a number of other ostetricans, who are able to look after patients both at Calvary John James and The Canberra Hospitals.