Start your Journey to Better Health

The Sydney Institute for Obesity Surgery, in Sydney, has over 16 years’ experience in treating patients with health problems caused by obesity.  Our allied health professional team provide unhurried personal care, to help you understand whether obesity surgery is right for you.

Weight Loss Surgery NSW

Welcome to SIOS, the place to find dedicated professionals to completing excellent weight loss surgery in NSW. We are different from any other institution where you can go through a professional weight loss surgery in NSW because we understand everybody has individual needs that need to be taken into consideration before starting any process. We offer a range of surgical procedures under the category of weight loss surgery in NSW, including gastric sleeve surgery and gastric bypass surgery, as well as a comprehensive care program to support you before and after your surgery.

We believe that surgery is just one part of your journey to a healthier life, which is why our care program includes access to dietitians and a superior after surgery attention program that will considerably increase the possibilities to improve the results. We understand that weight loss surgery is a big decision, and that’s why our team of experts is here to provide you with the best possible care and guidance every step of the way.

SIOS is the best place to go for weight loss surgery in NSW because:

  • We have over 16 years’ experience in the field. Having the opportunity to help many patients on their path to get a healthier lifestyle.
  • Our facilities are equipped with everything our team needs to complete these procedures up to the highest standards known in this industry.
  • Our after care program is like no other among obesity surgery institutions. We are here to help our patients and make it possible for them to enjoy a healthy life.

Get more detailed information about our weight loss surgery in NSW today and forget about not feeling confident with the professionals in charge of taking of you through this procedure. We are SIOS, and we are glad to assist you.

Understanding Bariatric Obesity Surgery

Every person and their body are different.  What works for one person, may not work for another.  There are many different surgeries available but finding the right one for you that is safe and healthy is our utmost priority.  Your health and lifestyle as well as food and weight concerns need to be carefully considered in the decision of which obesity surgery is best for you.


Depending on your individual weight and health, you may be a candidate for weight loss surgery. In order to determine whether this weight loss option is for you, take these first steps:

Medicare-Funded Sleep Studies

A good night’s sleep is important for good health and also for maintaining a healthy weight. Obesity may contribute to sleep problems such as sleep apnea, and sleep problems can also contribute to obesity. SIOS offers sleep studies, fully funded by Medicare.


Obesity surgery isn’t a quick fix, it requires a lifelong commitment to improving your health. Our better health journey program supports you with care, empathy and non-judgement from the SIOS team of allied health professionals.

For over 16 years, our weight loss surgery in Sydney has been there for all our patients.  We will be there for you, every step, through all your ups and the downs.



  • Listen
  • History
  • Options
  • Advice


  • Procedure
  • Recovery
  • Post Op Care


  • Dietician and Nutrition
  • Psychologist
  • Meet Your Team
  • Preoperative Planning


  • Dietician / Nutrition
  • Counselling and Life Coaching Support
  • Comprehensive Support


There are a number of widely accepted criteria which make a patient suitable for Bariatric or Weight Loss Surgery.

The Sydney Institute for Obesity Surgery

Leave your name and contact number and we will return your call as soon as we can.

If you are experiencing a medical emergency please proceed to the emergency department at your nearest large public hospital and contact us immediately on 8080 4644.

Please fill our this contact form with any queries. Should you wish to make an appointment with us then click button above. To speak to us please call (02) 8080 4644 Monday to Friday.

Complete the Form below to make an enquiry:

SIOS HAS MOVED to 185 Marion St Leichhardt NSW 2040.


Start typing and press Enter to search