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About

Australis Medical Ltd is Christchurch-based medical practice that provides specialist services in the areas of complex pain and rehabilitation, aviation medicine, occupational & environmental medicine, and psychiatry.

Dr Christopher Rumball

FFPMANZCA, FAFOEM (RACP), PhD, MPhil


Dr Rumball is qualified as both a Specialist Pain Medicine Physician and a Specialist in Occupational & Environmental Medicine. Since commencing work in Christchurch in 2010 he has focused on complex pain and vocational rehabilitation cases working in close collaboration with the broader team in the community. He trained in pain medicine at Burwood Pain Management Centre.  He has an academic background, with a PhD in the area of developmental origins of health and disease, a Masters in Bioscience Enterprise from Cambridge University and has consulted in the area of translational medicine.  With this background he has given the Australis Medical practice a strong focus on using technology to improve care and to collect data to enable research. He is also a founder of Occupational Health Canterbury, Clinical Lead for Sense Medical in their development of the Cortex iOS application, and part of Australis IT which works with Medgate UK to offer the Cohort Occupational Health software system in Australasia.




Dr Monica Ford

MBChB MPH CertAvMed DipOccMed


Monica comes from a public health background and is specialising in aviation medicine.  She provides CAA and CASA pilot medicals, as well as rail medicals. She provides occupational medicine services to the Christchurch Engine Centre and Virgin Australia (NZ).  She is a Australasian Medical Review Officer and provides qualified oversight of Drug and Alcohol Management Plans.








Dr David Hartshorn

MBChB DipOccMed DipObst FAFOEM(RACP)


Dr Hartshorn is an Occupational Physician who has worked in a variety of manufacturing and food processing industries. He is currently National Medical Officer for the New Zealand Fire Service. He provides national medical advice to the IHC and Idea services.  He has extensive experience in injury assessment and rehabilitation, both from an ACC perspective and also as part of industry based on-site programs. He has extensive experience providing independent advice to insurers and employers regarding the issues of rehabilitation and work fitness. He has been involved in the assessment and investigation of workplace exposures with possible adverse health effects.  He has had over ten years experience in medico-legal reporting for ACC, insurance companies, Employers, Unions, and Law firms.





Dr Michael Tombros

BSc BM MRCGP FRACGP FRNZCGP PGCertOccMed


Dr Tombros is an advanced Registrar in Occupational & Environmental Medicine. He trained in the UK, completing his medical degree at Southampton University in 2003 after studying Pharmacology at University College London. He has broad medical training having previously worked in a number of hospital-based posts including General Surgery, Orthopaedics, Psychiatry and Accident & Emergency, and having worked for many years as a General Practitioner, in the UK, Australia and New Zealand. He has undertaken further academic study at Otago University in both Occupational Medicine and Aviation Medicine, and is certified to conduct Aviation Medical assessments by the New Zealand CAA. Through the Australis Medical Practice, Dr Tombros has been providing Occupational Medical services to a number of industry sectors including Healthcare, Construction, Manufacturing and Mining.




Dr Tim Rumball

FACRRM FAFOEM DAvMed


Tim is a Occupational Physician and Rural GP, who is currently based in NSW, Australia.  He currently provides Occupational Medicine services to Snowy Hydro, and has previously worked for Meridian Energy, the Royal New Zealand Navy, Pacific Steel (part of Fletcher Steel), Sanitarium Health Food Company, Auckland District Health Board, Waitemata District Health Board, and Air New Zealand. He is a Senior Lecturer in Occupational Medicine with the University of Otago (Wellington). He is also a Class 1 Medical Examiner, allowing him to perform and assess all classes of CAA regulatory medicals.






Dr Sara Souter

FAFOEM DAvMed


Sara is an Occupational Physician currently based in NSW, Australia, where she works for Aspen Medical.  She has a strong sub-speciality interest in Drug and Alcohol Management services for industry, with a particular focus on the transport industry. She has a strong interest in aviation medicine and has 10 years experience in this industry including medical retrieval, medical assistance, and work within airline medical departments. She has ongoing consulting occupational physician roles for a local engine maintenance facility and national waste management facility. Sara is a Class 1 Medical Examiner for CAA and a CASA DAME. 





Gina Gilbreath

Gina is our practice manager and program administrator of our Drug and Alcohol Management Plan services.







Tania Berhault

Tania is an office administrator with Australis Medical and the customer relationship manager with Occupational Health Canterbury.  She has previously worked as a case manager.


Georgina Bayliss

Registered Nurse


Georgina is our Occupational Health Nurse, and is experienced with the Cohort Occupational Health software. She has worked in the mining industry and is experienced in performing health monitoring tests, and providing health and wellness programs.




Dr Tim Rumball

FAFOEM DAvMed

Tim is the Occupational Physician for Meridian Energy. He has previously worked for the Royal New Zealand Navy, Pacific Steel (part of Fletcher Steel), Sanitarium Health Food Company, Auckland District Health Board, Waitemata District Health Board, and Air New Zealand. He is a Senior Lecturer in Occupational Medicine with the University of Otago (Wellington). He is also a Class 1 Medical Examiner, allowing him to perform and assess all classes of CAA regulatory medicals.








Dr David Hartshorn

MBChB DipOccMed DipObst FAFOEM(RACP)

To make an appointment, please phone +64 3 3794715 or email your enquiry >