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OUR Radiologists

Radiologist Profiles

Dr. James Challen


Dr. James Challen obtained his Bachelor of Medicine and Surgery from the University of QLD in 1999. He trained in radiology at Princess Alexandra Hospital Brisbane before going on to complete fellowships in general MRI and cardiac imaging. After completing these fellowships, Dr. Challen became recognised by the college as an MRI supervisor and was accredited by the Australian Conjoint Cardiac Committee to report cardiac CT scans. He moved to the Sunshine Coast in 2009.

Dr. Challen also has an interest in MSK imaging and he currently runs the orthopaedic/Radiology meeting at Nambour Hospital. For many years he has previously run the medical/radiology meeting and Urology/radiology meetings at NGH.

He also has an active interest in research having contributed many talks and posters to the Australian Radiology Scientific meeting. In 2013 he was one of the chief convenors of the QLD radiology scientific meeting. Dr. Challen has been heavily involved in registrar training, first as the director of training at Nambour General Hospital and now as the current director of registrar training at Sunshine Coast Radiology.


  • Fellowship in cardiac imaging (Prince Charles Hospital)
  • Fellowship in general MRI (Princess Alexandra Hospital)



  • Musculoskeletal imaging and procedures
  • Cardiac CT
  • Breast Imaging
  • Prostate MRI

Memberships and accreditation:

  • CT Coronary angiogram level B accreditation
  • Accredited Breast screen reader with QLD breast screen
  • Reports over 5000 mammograms per year
  • CT colonoscopy level



  • MSK imaging
  • Breast imaging (MRI, mammography and US)
  • Prostate MRI imaging
  • Image-guided procedures

Dr. Anthony Chan


Dr. Anthony Chan obtained his Bachelor of Medicine and Surgery at the University of Tasmania. He undertook radiology training at the Royal Brisbane and Women’s Hospital and has subspecialty interests in cardiac and abdominal imaging including Gastrointestinal and Prostate MRI imaging.

Since coming to the Sunshine Coast in 2007 he divides his time between private practice at Sunshine Coast Radiology and as staff specialist at the Sunshine Coast University Hospital where he is part of the radiology training program. He is also part of the Queensland Breast Screen Program.

Dr. Geoffrey Clark


Dr. Geoff Clark obtained his Bachelor of Medicine and Surgery with Honours from the University of Queensland in 1996.

He trained in radiology at the Royal Brisbane and Women’s Hospital, gaining admittance to the RANZCR in 2006. Currently, Dr. Clark works at our Rockhampton practice and also at Breast Screen Queensland, which includes mammography reading, assessment clinics, and multi-disciplinary meetings.

Previously Dr. Clark worked as a staff radiologist at Nambour General Hospital, where he was the supervisor of registrar training.


  • MRI
  • Musculoskeletal Imaging (MSK)
  • Interventional Procedures

Dr. Jacqui Dalton

BDSc, DClin, Dent(UQ)

Dr. Jacqui Dalton completed her Dentistry degree at the University of Queensland in 2002. Over the following years, she gained experience as a Dentist in both private and government practice and paediatric dentistry, before completing her Doctorate of Clinical Dentistry in the specialty of Dentomaxillo facial radiology, at the University of Queensland.

Dr. Dalton gives back to the university lecturing both undergraduate and postgraduate radiology for the dental students. With 10 years’ experience in public and private practice, Dr. Dalton also lectures and tutors undergraduate Dentistry students at UQ.