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About Us

About the Medical Clinic

NT Surgery is located in the ground floor consulting rooms of Darwin Private Hospital. We see patients during regular business hours as well as evenings and Saturday mornings by prior arrangements. We also offer consultations in Katherine.

Eila Allen and Marion Ozorio are the friendly faces of our practice. They can answer any queries you may have, including financial questions, will arrange necessary appointments and can direct you to other practitioners affiliated with the practice.

Providing you with the best doctors for the best care

Mr Philip Toonson

Phil is a Hepato-Pancreato-Biliary (HPB) and General Surgeon, specialised in managing pancreatic cancers, liver disease and gall bladder pathology.

He graduated with Honours from the University of Tasmania in 2005 and completed his surgical training in Tasmania and Victoria with the Royal Australasian College of Surgeons in 2013. Following this he undertook 2 years of post-fellowship training in Liver, Pancreatic and Biliary Surgery with the Australian and New Zealand HPB (ANZHPB) Association in Singapore and Adelaide.

He is a member of the International HPB Association, ANZHPB Association, and Obesity Surgical Society of Australia and New Zealand.

Phil is Head of the Upper GastroIntestinal and HPB Surgical Unit at Royal Darwin Hospital, as well as the supervisor of surgical trainees.

His general surgical interests include minimally invasive (laparoscopic) procedures such as reflux surgery, hernia repair, cholecystectomy (gall bladder removal), and bowel resection. He also performs most other general surgical procedures, He does not charge an out-of-pocket gap for most procedures.

Recently he has begun providing Darwin's only pH monitoring to assess gastro-oesophageal reflux disease.



Mr John Treacy

Mr Treacy graduated from Adelaide University in 1984, completed surgical training with the Royal Australasian College of Surgeons in 1993 and was awarded a Doctorate in Medicine with Adelaide University in 1994, researching stomach physiology and emptying.

He undertook three years post-fellowship training in upper gastro-intestinal surgery at the Royal Adelaide Hospital (1994) and the Royal Hallamshire Hospital in Sheffield, U.K (1995 to 1996).

During his time in Britain he was involved in surgery and evaluation of gastric bands for the National Health Service of the United Kingdom, which subsequently led to the introduction of gastric banding there.

He moved to Darwin in 1997 and has been undertaking weight loss surgery at the Darwin Private Hospital since.

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