Dr Marcus Dreosti

  • BSc, Hons LLB, MBBS (Hons) FRANZCR
  • Radiation Oncologist
  • Spoken languages English


Special clinical interests include breast, head and neck, prostate, gastrointestinal & gynaecological.

Dr Dreosti graduated from Adelaide University and Flinders University with Honours degrees in both Law and Medicine and then commenced his specialist training in Radiation Oncology at St Vincent’s Hospital, Sydney. He completed Clinical Fellowships in Singapore and Darwin gaining broad clinical experience particularly in breast and head and neck cancer treatment.

He returned to Sydney as a Staff Specialist at the Liverpool and Macarthur Cancer Centres, a large sub-specialised tertiary cancer department with access to tomotherapy and stereotactic radiotherapy where he treated predominantly breast, lung and prostate cancer.

Dr Dreosti then returned home to Adelaide as a partner of the Adelaide Radiotherapy Centre (now known as Genesis Care). He also is a member of the National Clinical Leadership Team for GenesisCare Oncology Australia with responsibility to oversee that the highest quality of radiotherapy is delivered throughout the network in keeping with national protocols with a focus on standardisation and quality assurance.

He is a frequent presenter at meetings, is involved in clinical trials in breast, head and neck and prostate cancer and is an examiner for the Royal Australasian College of Radiologists for the final examinations in Radiation Oncology. His clinical areas of interest include breast, prostate, head and neck, gynaecological and gastrointestinal cancers and he is broadly credentialed in the delivery of stereotactic body radiotherapy (SABR).

He works out of the fully equipped radiation therapy Clinics at South Terrace, Calvary Central Districts Hospital and the Tennyson Centre at Kurralta Park.