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Gastric Bypass Surgery in Melbourne

Gastric Bypass Surgery

Mr. Niruben Rajasagaram performs gastric bypass surgery in Melbourne, one of the most effective weight loss surgeries for people living with obesity. At our weight loss centre, we use a minimally invasive approach that reroutes part of your stomach and small intestine to help you lose weight and keep it off. It is a strong choice if diet and exercise alone haven’t worked, or if an earlier weight loss procedure didn’t give you the result you wanted. 

With bypass weight loss surgery, most of our patients lose 60% to 80% of their excess weight within 12 to 18 months. Many also improve or even resolve type 2 diabetes, high blood pressure and sleep apnea. Our patients trust us, and we hold a 98% patient satisfaction rate with 200+ verified Google reviews.

As a gastric bypass specialist, Mr. Niruben Rajasagaram has performed approximately 900 bariatric surgeries and plans every operation around your health goals and lifestyle. You can find gastric bypass surgery near you at Knox Private Hospital, Peninsula Private Hospital, and SJOG Berwick, and our team supports you from your first consultation to recovery.

What is Gastric Bypass Surgery?

Gastric Bypass Surgery Melbourne

Gastric bypass surgery is a weight-loss procedure that helps you achieve long-term weight loss by changing how your stomach and digestive system work. In a Roux-en-Y gastric bypass, the most common approach, we create a smaller stomach pouch and bypass part of your small intestine. Food skips part of your stomach and small intestine, so you feel full sooner, feel less hungry and absorb fewer calories.

Mr. Niruben Rajasagaram performs laparoscopic gastric bypass surgery through small key hole surgery cuts, so you recover faster than after open surgery. Gastric bypass is typically permanent, though we can reverse it in rare cases if needed.

Benefits of Gastric Bypass Surgery

Long-Term Weight Loss

Lasting weight loss is the biggest benefit of gastric bypass surgery. Most of our patients lose 60% to 80% of their excess weight within the first 12 to 18 months, That sustainable weight loss makes gastric bypass a preferred option for patients who want quicker and more significant change.

Diabetes & Health Improvements

Our gastric bypass surgery can make a big and lasting difference to your type 2 diabetes and other obesity-related conditions. Many of our patients see their diabetes go into remission after the procedure. Our patients also see improvements in:

  • Blood pressure

  • Cholesterol levels

  • Liver health

Quality of Life Enhancements

Bypass bariatric surgery does more than help you lose weight. It also improves your overall well-being, and you can expect:

  • More energy and less tiredness

  • Relief from joint pain and sleep apnea

  • Better self-esteem and body image

Reduced Risk of Obesity-Related Conditions

Our gastric bypass surgery can significantly lower your risk of serious medical conditions such as:

  • Stroke

  • Certain types of cancer

  • Gastroesophageal reflux disease (GERD)

By lowering these risks, we help you protect your long-term health.

Better Mobility and Physical Function

As you lose weight, you will notice a real improvement in your mobility and endurance. Everyday tasks that once felt hard, like tying your shoelaces, become much easier, and walking, climbing stairs and exercising feel far more manageable.

Moving more helps you build healthier habits and protect your long-term health.

Enhanced Mental Wellbeing

In addition to the physical changes, many of our patients tell us their mental health improves after gastric bypass surgery. They report less anxiety and depression, a better ability to manage stress and a more optimistic outlook on life.

As your physical health improves, your confidence, self-esteem, and sense of well-being grow. This shift in mindset helps you maintain your results and feel happier for the long term.

Who is an Ideal Candidate for Roux-en-Y Bypass?

Laparoscopic gastric bypass surgery is not for everyone, so Mr. Niruben Rajasagaram assesses every patient.
You are a good candidate if you have:

  • A BMI over 35, or over 30 with type 2 diabetes, sleep apnea or high blood pressure

  • A history of weight loss attempts through diet and exercise that haven’t lasted

  • A willingness to make long-term lifestyle changes, including a healthy diet and regular exercise after surgery

Before you have bariatric bypass surgery or another procedure, such as sleeve gastrectomy or a gastric balloon, Mr. Niruben Rajasagaram and our team complete a thorough evaluation to check it suits you. This includes a review of your medical history, current health conditions and any previous weight loss attempts.

You may have blood tests, imaging scans and a psychological assessment, so we know you are physically and mentally ready for surgery. This thorough screening helps us confirm you are the right candidate for a safe, successful result and a smooth recovery.

How the Gastric Bypass Procedure Works – Step-by-Step

At our weight loss centre, gastric bypass weight loss surgery is performed through a series of carefully planned steps, each aimed at ensuring a safe and effective result.

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Initial Consultation
  • Assess medical history

  • Discuss weight loss goals

  • Evaluate BMI and related conditions

  • Review previous treatment attempts

  • Confirm procedure suitability

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Pre-Operative Preparation
  • Conduct blood tests and scans

  • Begin nutritional counselling & Habits transformation coaching

  • Complete psychological evaluation

  • Plan a pre-surgery diet

  • Set the final surgery date

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Admission & Anaesthesia
  • Arrive at the surgical facility

  • Complete pre-op checks

  • Administer general anaesthesia

  • Place IV lines and monitoring 

  • Mr. Niruben Rajasagaram and the team prepare for the procedure

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Laparoscopic Gastric Bypass Surgery
  • Make small incisions in the abdomen

  • Insert camera and tools (laparoscopic bypass)

  • Reshape the stomach into a small pouch

  • Reroute and reconnect the intestine

  • Complete gastrointestinal bypass (Roux-en-Y)

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Post-Operative Recovery
  • Transfer to the recovery area

  • Monitor vitals and manage pain closely

  • Begin liquid-only diet

  • Test and improve your mobility within 24 hours

  • Plan discharge with support details

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Long-Term Follow-Up
  • Schedule regular check-ups

  • Provide ongoing dietary and lifestyle guidance

  • Monitor nutrient levels routinely

  • Offer continued support from the weight loss team

  • Track progress to ensure lasting success

Risks & Considerations of Roux-en-Y Gastric Bypass

While laparoscopic gastric bypass surgery can offer life-changing benefits, it’s important to consider the potential risks. These include:

  • Infection: As with any surgery, there is a risk of infection at the incision sites.

  • Nutritional Deficiencies: The reduced absorption of nutrients can lead to deficiencies, so patients must follow a strict supplementation plan.

  • Dumping Syndrome: This condition can occur if patients consume foods high in sugar, leading to nausea and discomfort.

  • Other Rare Complications: Though uncommon, complications such as hernias, ulcers, or bowel obstruction can occur.

Ongoing support and monitoring after surgery are important to ensuring long-term success. Whether you've had gastric bypass surgery or gastric sleeve surgery in Melbourne, consistent follow-up helps you stay on track and maintain a healthier lifestyle.

Ready to Start Your Weight Loss Journey?

Mr. Niruben Rajasagaram and our team can build a gastric bypass plan around your health and goals. You get one-on-one care, a dietitian and a habits coach, and support from your first consultation to your aftercare. Meet our team and take the first step today.
 

Surgery Options

Please see below a list of some of the more common surgeries for Bariatric (Weight Loss), Upper Gastrointestinal (Hiatal Hernia & Anti Reflux) and General Surgery (Gall Bladder & Hernias) that Mr.Niruben currently performs.

Why Choose Mr. Niruben Rajasagaram in Melbourne for Roux-en-Y?

Choosing the right gastric bypass specialist matters as much as choosing the surgery. At our centre, Mr. Niruben Rajasagaram has performed approximately 900 bariatric surgeries, including gastric sleeve and bariatric bypass surgery. We have 150+ verified reviews on Doctify and excellent Google ratings of more than 200, and we give you care that goes well beyond the operating room.

What sets us apart is how we combine clinical skill with long-term support. Mr. Niruben Rajasagaram works alongside our habits and transformation coach and our bariatric dietitian, so you feel understood and supported at every visit.

From your first consultation, we are open and honest with you. You get clear answers, a clear plan and a team you can call. That is why 98% of our patients are satisfied with their care, and why we welcome you into our patient family.

Bariatric surgeries
Bariatric Surgeries Approximately 900 surgeries performed, including gastric sleeve and gastric bypass surgeries
Gallbladder Surgeries Approximately 1,000 surgeries performed
Hernia Operations Approximately 500 surgeries performed
Hiatal Hernia Surgeries Approximately 600 surgeries performed
Patient satisfaction rate
Patient Satisfaction Rate 98%

Extensive Surgical Experience with Personalised Patient Care

Mr. Niruben Rajasagaram has extensive surgical experience across bariatric, upper gastrointestinal and general surgery, with a focus on providing personalised care to every patient.

Every patient has different health needs, medical history, and treatment goals. Mr. Niruben Rajasagaram takes the time to understand each patient's circumstances, explain the recommended procedure clearly, and discuss what to expect throughout the surgical journey.

From the initial consultation through surgery and follow-up care, his approach focuses on patient safety, clear communication and personalised treatment, helping patients feel informed, supported and comfortable.

Our Happy Patients

Our patients’ experiences reflect the care, support, and outcomes they receive throughout their treatment journey. These testimonials share real stories about recovery, confidence, and improved quality of life, helping others understand what to expect from the process.

It's been 1 year since my gastric bypass. It changed my life. I have lost 63 kg, down 4 dress sizes, have more Engery and are able to do things that we take for granted like tieing your shoe 👞 laces. But the biggest change and I am so happy about is I have been able to completely come off my blood pressure tablets. I was on 150mg and now nothing. Also been able to come off my aniexty tablets as well. So I only take my vitiams now. A big thank you to Dr Niruben and his team. So if you are thinking 🤔 about doing it, don't leave it too late you are missing out on a new life.

A
Anna Smith

Mr. Niruben Rajasagaram truly transformed my life for the better. Taking me on as a patient was a turning point, and I am endlessly grateful to him for giving me back my life. If you’re feeling uncertain about your next steps, I highly recommend seeing him. Take that chance—just as I did—and discover how he can help you.

Matt Parry

Niruben was caring, explained things thoroughly and was very attentive during my entire surgery experience and stay in hospital. I highly recommend him to others in need!

J
Jessica Wheeler

Hear From Our Patients

Our patients experience transformative weight loss and improved health after gastric bypass surgery. Read about their success stories and how our team supports them throughout their journey to better health.

Frequently Asked Questions About Gastric Bypass Surgery

    • What is the expected weight loss after Roux-en-Y gastric bypass?

      After Roux-en-Y gastric bypass surgery, patients can expect to lose 60% to 80%of their excess weight within the first 12 to 18 months, with long-term maintenance depending on adherence to a healthy lifestyle.Mr. Niruben Rajasagaram works closely with patients to ensure they achieve optimal results through regular follow-ups and detailed advice.

    • Recovery time for Roux-en-Y gastric bypass surgery typically takes 2 to 4 weeks. Most patients can return to work within 2 weeks if their job does not involve heavy physical activity. Full recovery, including physical and dietary adjustments, may take several months, and Dr. Niruben provides continuous support during this period.

    • Yes, Roux-en-Y gastric bypass surgery is reversible. The procedure involves creating a smaller stomach and rerouting the small intestine, which results in permanent changes to your digestive system. It's essential to thoroughly discuss the procedure with Dr. Niruben Rajasagaram to ensure you fully understand the long-term commitment involved.

    • Many health insurance(TOP COVER / GOLD COVER) plans do cover Roux-en-Y gastric bypass surgery, especially if it's deemed medically necessary. Coverage may depend on factors such as your BMI, history of obesity-related health conditions, and prior attempts at weight loss. Dr. Niruben's team can assist in liaising with your insurance provider to confirm coverage and help with paperwork.

    • Post-surgery, patients must follow a strict, phased dietto support healing and weight loss. Initially, you’ll start with clear liquids, pureed foods, and soft solids. Over time, you’ll transition to a balanced diet of high-protein, low-fat foods. Dr. Niruben and his dietitian, Stefania Basso, will guide you on portion sizes, food choices, and meal plans to ensure you get the necessary nutrients.

    • Roux-en-Y gastric bypass surgery has been shown to significantly improve or resolve type 2 diabetes in many patients. The weight loss, combined with changes to the digestive system, helps improve insulin sensitivity.

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