Dr St.John Newman | Radiation Oncologist | Icon Cancer Centre

Dr St.John Newman

Radiation Oncologist
Become a Patient

Dr St.John Newman is committed to delivering comprehensive cancer care, combining cutting-edge radiation therapy and knowledge gained from clinical research and trials, to ensure the best possible outcomes for his patients. His compassionate approach and high attention to detail reassures patients they are in capable hands.


Dr St.John Newman is a radiation oncologist at Icon Cancer Centre Toowoomba. He also consults and treats patients at Icon Cancer Centre Greenslopes and Icon Cancer Centre Springfield.

Prior to pursuing a career in medicine, Dr Newman completed a Bachelor of Pharmacy (BPharm) at the University of Queensland. He worked as a pharmacist for four years before and during his medical training. In 2014, Dr Newman completed a Doctor of Medicine (MD) at the University of Melbourne. He subsequently undertook specialist radiation oncology training at the North Coast Cancer Institute in New South Wales and Icon Cancer Centre Gold Coast University Hospital, Royal Brisbane and Women’s Hospital and John Flynn Private Hospital in Queensland. He is also a fellow of the Royal Australian and New Zealand College of Radiologists (FRANZCR).

Dr Newman is trained in the use of cutting-edge radiation therapy treatments and maintains an active involvement in clinical research and trials to inform and continually improve the care provided to his patients. His clinical experience covers a wide range of solid tumour malignancies, with a special clinical interest in head and neck cancer, central nervous system (CNS) tumours, complex skin cancers and thoracic malignancies.

Affiliations & Memberships

  • Australian and New Zealand Head and Neck Cancer Society (ANZHNCS)
  • Cooperative Trials Group for Neuro-Oncology (COGNO)
  • Royal Australian and New Zealand College of Radiologists (RANZCR)

Special Interests

Dr St.John Newman accepts referrals for all cancer types, with a special clinical interest in:
  • Brain and spine (CNS) cancer
  • Head and neck cancer
  • Lung cancer
  • Skin cancer

Icon Locations

Toowoomba View centre
Greenslopes View centre
Springfield View centre


  • Retchford, K., Bettington, C. & Newman S.J. Spontaneous regression of squamous cell carcinoma of the lung with high PD-L1 expression: A case report and literature review. J Case Rep Images Oncology 2023; 9(1), 17–21.

  • Newman, S., Bucknell, N., Bressel, M., Tran, P., Campbell, B. A., David, S., Haghighi, N., Hanna, G. G., Kok, D., MacManus, M., Phillips, C., Plumridge, N., Shaw, M., Wirth, A., Wheeler, G., Ball, D., & Siva, S. (2021). Long-term Survival with 18-Fluorodeoxyglucose Positron Emission Tomography-directed Therapy in Non-small Cell Lung Cancer with Synchronous Solitary Brain Metastasis. Clin Oncol (R Coll Radiol) 2021; 33(3), 163–171.