• General Surgery
  • Bariatric surgery, Colorectal, Hepatopancreatiobiliary, Upper GI

Areas of interest


Based in Melbourne, Australia, Mr Jason Winnett is the founder and director of The Winnett Specialist Group, which was founded in 2001. As a specialist, Jason's primary areas of expertise include laparoscopic bariatric surgery, laparoscopic hernia repairs, laparoscopic cholecystectomy, appendicectomy and laparoscopic colorectal surgery. A practicing surgeon with over 23 years experience, Jason Winnett has performed over 1300 weight-loss surgical procedures, 15,000 endoscopic procedures and has successfully treated thousands of patients with obesity or weight-related issues.

Consulting locations

Consulting Location

Winnett Specialist Group

382 Victoria Parade

Epworth locations


Epworth Freemasons Albert Street


  • MBBS, 1993
  • Bachelor of Medicine & Bachelor of surgery MB;BS (1993) FRACS - General Surgery
  • Certificate in laparoscopic adjustable gastric banding (2004)
  • Advanced Certificate in Laparoscopic Adjustable Gastric Banding

Professional Associations

  • Member of the Gastrointestinal Society of Australia and a Post Graduate of the Medical Council of Victoria.
  • Member of the OSSANZ; The Obesity Surgery Society of Australia and New Zealand.
  • Appointments to the Medical Advisory Boards of the Western Private, and Epworth Freemason Hospitals.
  • Fellow of the Royal Australasian College of Surgeons

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