Dr Jason Winnett

Winnett Specialist Group | Bariatric Surgeon Melbourne

Dr Jason Winnett is a Melbourne-based bariatric surgeon and the Founder and Director of Winnett Specialist Group. 

Dr Winnett has been a trusted name in weight-loss surgery since 2001. In that time, he has performed 1,300+ weight-loss surgeries and 15,000+ endoscopic procedures. He is known for his calm, personable approach and thorough, patient-first care.

Dr Winnett’s approach to care

Undergoing any surgical procedure can be a confronting, even traumatic experience for some. Dr Winnett understands this, and he strives to make the process as comfortable as possible for his patients. 

Each patient’s journey is unique. Dr Winnett takes the time to ensure you feel confident and supported by getting to know you, your lifestyle, your goals, and your concerns.

He then focuses on helping you achieve meaningful, sustainable results with a pathway tailored for your situation.

Weight-loss services offered by Dr Winnett

Dr Winnett’s education, training, and accreditations

Dr Winnett is a Fellow of the Royal Australasian College of Surgeons (FRACS) and a member of the Australian Medical Association, the Gastroenterological Society of Australia, and ANZMOSS (Australian and New Zealand Metabolic and Obesity Surgery Society). 

He also holds a postgraduate qualification through the Medical Council of Victoria

In addition, he serves on the Medical Advisory Boards of Western Private, St Vincent’s Werribee, and Epworth Freemasons Hospitals, and is Medical Director of Hobsons Healthcare Facilities across Altona, Sydenham, and Werribee.

Book your first consultation

Begin Your Journey to Better Health

If you’re interested in exploring weight loss options, including medications, our team is here to provide personalised guidance and support.

Complete the form below to schedule a consultation with our team, where we'll discuss personalised weight loss strategies tailored to your health needs. Prefer to speak with us directly? Call us at (03) 9417 1555 to get started. 

Disclaimer: Weight loss medications are only prescribed following a comprehensive medical consultation. Individual results may vary. Please consult a healthcare professional to determine if these treatments are right for you.

Frequently Asked Questions

1What weight-loss procedures does Dr Winnett perform?
Dr Winnett performs bariatric procedures, including gastric sleeve, gastric bypass, and gastric banding, and also offers non-surgical options such as weight-loss medications and gastric balloon.
2How experienced is Dr Winnett with weight loss surgery?
Dr Winnett has over 25 years’ experience, with 1,300+ weight-loss surgeries and 15,000+ endoscopic procedures performed.
3Do I need surgery to see a bariatric surgeon in Melbourne?
Not necessarily. Many patients start with medical or non-surgical options. Dr Winnett will assess your health and goals and explain whether surgery, medications, endoscopic support, or a non-surgical plan is most appropriate.
4How do I choose between surgery and weight-loss medications?
It comes down to your health history, how much weight you need to lose, any obesity-related conditions, and what you’ve already tried. A consultation at Winnett Specialist Group in Melbourne lets us assess your situation and recommend the safest, most effective pathway for you.
5Do I need a referral from my GP to see Dr Winnett?
Not always, but a GP referral is recommended. It helps us understand your medical history, can streamline your assessment, and may be required for some Medicare or private health insurance processes. If you don’t have one yet, you can still contact the clinic; we’ll guide you on what’s needed.