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.

Gastric Bypass Surgery Penrith

This is SIOS, the only place you need by your side when looking for specialised gastric bypass surgery in Penrith that is carried out up to the highest and most demanding standards in the industry. SIOS is a certified and accredited provider of gastric bypass surgery in Penrith, and we have been a trusted partner to our clients always providing second to none attentive care. SIOS was established in 2007 and has been striving to meet the most demanding needs of our clients, and has now established itself as one of the leading providers of gastric bypass surgery in Penrith.

We offer a range of services to meet your needs, including:

  • A comprehensive assessment of your medical history and current health status A complete range of pre and post-operative care
  • A comprehensive follow up care programme
  • A wide range of support services and access to our state of the art facilities

We are committed to providing you with the highest quality of care possible, and our team of experienced and qualified surgeons is on hand to answer any questions you may have. Over 16 years of experience in this field have allowed us to learn every detail we need to know in order to perform at the highest level every gastric bypass surgery in Penrith.

If you decide to go ahead with the surgery, we will work with you to create a tailored plan that meets your specific needs and goals. We understand that everyone is different, and we will make sure that your surgery is tailored to you. We will also provide you with all the support you require before, during, and after your surgery.

If you would like to find out more about our gastric bypass surgery in Penrith. Please contact us directly and one of our helpful staff will be able to assist you further.

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.


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