
She graduated from the University of Sydney with First Class Honours in Medicine and Surgery and completed specialist training in medical oncology, becoming a Fellow of the Royal Australasian College of Physicians in 2006. She has worked as a consultant oncologist at Northern Health since 2007 and has more than two decades of experience caring for people with cancer.
Although Dr Barnett practices across general medical oncology, she has particular expertise in breast and gastrointestinal cancers. Her work includes regular participation in breast, colorectal, upper gastrointestinal and hepatobiliary multidisciplinary meetings, where treatment plans are considered alongside surgery, radiation oncology, radiology, pathology and supportive care. She is a principal investigator in cancer clinical trials, has led multiple breast cancer studies at Northern Health, and has contributed extensively to cancer service governance, education and quality improvement.
Dr Barnett places strong emphasis on personalised cancer care, multidisciplinary decision-making and access to suitable clinical trials where available.
Special Interests:
Breast and gastrointestinal cancer research, clinical trials, real-world treatment outcomes, health equity and patterns of cancer care. Her recent publications include pancreatic cancer care pathways and outcomes, breast cancer therapies and colorectal cancer treatment.






Northern Blood & Cancer Care brings together a highly experienced team of haematologists, medical oncologists and specialist physicians, with consultations available at Northern Private Hospital in Epping.
Contact our team to arrange an appointment or discuss a referral.