A/Prof Peter Gorayski | Radiation Oncologist | Icon Cancer Centre

A/Prof Peter Gorayski

Radiation Oncologist
Become a Patient

A/Prof Peter Gorayski is a highly skilled and experienced radiation oncologist who is dedicated to delivering exceptional personalised cancer care to his patients. Known for his compassionate and attentive approach, A/Prof Gorayski takes great care to build strong, lasting relationships with his patients, ensuring they feel informed and supported throughout their cancer journey.


A/Prof Peter Gorayski is an experienced radiation oncologist who consults at multiple Icon Cancer Centre locations across South Australia including Windsor Gardens, Adelaide (Kurralta Park) and Noarlunga. He provides treatment services at Windsor Gardens and Noarlunga. After completing his medical degree at Flinders University in 2005 and specialist training in General Practice/Family Medicine in 2010, A/Prof Gorayski undertook radiation oncology training in Queensland, where he obtained fellowship in 2015. He now serves as a staff specialist at the Royal Adelaide Hospital and the Australian Bragg Centre for Proton Therapy and Research, where he is instrumental in bringing proton therapy to Australia.

A/Prof Gorayski is also deeply invested in education, research, and clinical trials. He holds an academic appointment as Associate Professor at the University of South Australia, where he supervises and trains specialist doctors. He has a strong research interest in brain and prostate tumours, as well as proton therapy and artificial intelligence in radiation oncology. He is an active member of the Royal Australian and New Zealand College of Radiologists (RANZCR) and the Trans-Tasman Radiation Oncology Group (TROG).

He uses the latest advanced technologies, including volumetric modulated arc therapy (VMAT), intensity modulated radiation therapy (IMRT), image guided radiotherapy (IGRT) and stereotactic radiation therapy techniques (SBRT/SRS). A/Prof Gorayski has extensive clinical experience in the treatment of a broad range of cancers, with particular interest in brain cancer, head and neck cancer, sarcoma, skin cancer and prostate cancer. He also accepts referrals from across Australia for consideration of proton therapy.

Affiliations & Memberships

  • Royal Australian and New Zealand College of Radiologists (RANZCR)
  • Royal Australian College of General Practitioners (RACGP)
  • Trans Tasman Radiation Oncology Group (TROG)
  • Australian and New Zealand Urogenital and Prostate Cancer Trials Group (ANZUP)
  • Co-operative Trials Group for Neuro-oncology (COGNO)
  • Australia and New Zealand Head and Neck Cancer Society (ANZHNCS)
  • Australia and New Zealand Melanoma Trials Group (ANZMTG)

Special Interests

A/Prof Peter Gorayski accepts referrals for all cancer types, with a special clinical interest in:
  • Brain and spine (CNS) cancer
  • Head and neck cancer
  • Prostate cancer
  • Sarcoma
  • Skin cancer

Icon Locations

Adelaide (Windsor Gardens) View centre
Noarlunga View centre
Adelaide (Kurralta Park) View centre

Visiting Locations

  • Royal Adelaide Hospital
  • South Australian Medical Specialists


  • Cost-effectiveness of Proton Therapy in Treating Base of Skull Chordoma. A. Austin, M. Douglass, G. Nguyen, R. Dalfsen, H. Le, P. Gorayski, H. Tee. M. Penniment & S. Penfold. Australasian Physical & Engineering Sciences in Medicine, 2019. 42, 1091-1098.

  • Targeting General Practitioners: Prospective Outcomes of a National Education Program in Radiation Oncology. L. Morris, P. Gorayski & S. Turner. Journal of Medical Imaging & Radiation Oncology, 2018. 62(2):270-275.

  • Evidence-based Peer Review for Radiation Therapy – Updated Review of the Literature with a Focus on Tumour Subsite and Treatment Modality. M. Huo, P. Gorayski, M. Poulsen, K Thompson & MB. Pinkham. Clinical Oncology (R Coll Radiol), 2017. 29(10):680-688.

  • Patient Preferences Regarding Prophylactic Cranial Irradiation: A Discrete Choice Experiment. M. Lehman, Gorayski, S. Watson, D. Edeling, J. Jackson & J. Whitty. Radiotherapy & Oncology, 2016. 121(2):225-231.

  • The Role of Postoperative Radiotherapy for Large Nerve Perineural Spread of Cancer of the Head and Neck. Gorayski, M. Foote, S. Porceddu & M. Poulsen. Journal of Neurological Surgery. Part B, Skull Base, 2016. 77(2):173-81.