Southern Weight Loss & Laparoscopy is the surgical practice of Mark Grant, a Dunedin-based General, Upper Gastrointestinal (Upper GI), and Bariatric Surgeon providing specialist care across Dunedin, Invercargill, Queenstown, Wānaka, Otago and Southland.
The practice delivers comprehensive surgical care with a strong focus on weight loss (bariatric) surgery, alongside the management of upper gastrointestinal conditions, including reflux disease (GORD), hiatal hernia, and disorders of the oesophagus and stomach.
Mark has over ten years' experience in bariatric surgery and specialises in treating obesity as a chronic medical condition, offering both surgical and non-surgical treatment options tailored to the individual.
In addition to bariatric care, Southern Weight Loss & Laparoscopy provides expert management of gallbladder disease, hernias, and a range of general surgical conditions, using minimally invasive (laparoscopic) techniques where appropriate.
The service is built around an education-first, multidisciplinary approach, working closely with experienced dietitians and psychologists to support patients before and after surgery, with a focus on safe, sustainable, long-term outcomes.
The Southern Weight Loss & Laparoscopy website has been developed as a comprehensive information resource for patients and families considering surgery.
Southern Weight Loss & Laparoscopy is committed to providing expert care locally, allowing patients across Otago and Southland to access specialist surgical services without needing to travel outside the region.
What does Southern Weight Loss & Laparoscopy offer?
Southern Weight Loss & Laparoscopy provides weight loss surgery, reflux surgery, hernia repair, and gallbladder surgery in Dunedin, with care available to patients across Otago and Southland.
What are the main procedures performed?
Common procedures include gastric sleeve, gastric bypass, anti-reflux surgery (fundoplication), hiatal hernia repair, and laparoscopic gallbladder removal.
Where are patients seen?
Patients are seen in Dunedin, Invercargill, Queenstown, Wānaka and Ōamaru, with surgery performed locally.
What makes the service different?
The practice offers a multidisciplinary, education-focused approach, with structured long-term follow-up and support.
Services
Weight Loss (Bariatric) Surgery
- Gastric bypass surgery (Roux-en-Y)
- One-anastomosis (mini) gastric bypass
- Gastric sleeve surgery
- Revisional bariatric surgery
- Medical (non-surgical) weight loss options
Upper Gastrointestinal (Upper GI) Surgery
- Anti-reflux surgery (laparoscopic fundoplication)
- Hiatal hernia repair
- Investigation and management of reflux disease (GORD)
- Oesophageal motility disorders and dysphagia
- Stomach and oesophageal conditions
General & Laparoscopic Surgery
- Gallbladder surgery (laparoscopic cholecystectomy)
- Gallstones and gallbladder polyps
- Hernia surgery (inguinal, umbilical, incisional, ventral)
- General surgical condition

