MB BS 1999 Lond; FRACS (GS) 2013


Mark is an Upper Gastrointestinal surgeon who has a particular interest in the management of obesity and cancers of the stomach and oesophagus.

He is a graduate of the Imperial College School of Medicine, London. He successfully completed his General Surgical training in New Zealand becoming a Fellow of the Royal Australasian College of Surgeons (FRACS) General Surgery in 2013. 

Mark subsequently completed subspecialty post-fellowship training. This comprised of an Oesophagogastric Fellowship at the University Hospital Southampton, training in the management both complex benign and malignant conditions affecting the oesophagus and stomach.

Subsequently, he took up posts as a Consultant Oesophagogastric Surgeon at both University Hospital Southampton and The Queen Alexandra Hospital, Portsmouth. Mark returned to New Zealand to in 2017, completing his Bariatric training at Waitemata DHB, performing both primary and revisional bariatric procedures.

Currently Mark is the only Upper Gastrointestinal and Bariatric surgeon appointed at Southern DHB.

Mark is pleased to have started consulting out of Suite 6, at the Marinoto clinic, whilst operating at Mercy Hospital.

Mark has always aimed to provide a high standard of care with an informative patient focus. So his web site has been designed as an educational resource for patients and will regularly updated, so please feel free to direct them to www.southernweightloss.co.nz

Please feel free to contact Suite 6, if you require any further information or would like to arrange an appointment with Mr. Mark Grant.


  • Laparoscopic surgical procedures for the treatment of obesity and metabolic conditions related to obesity.
  • The management of oesophageal and gastric cancers.
  • The investigation and management of benign conditions such as gastro-oesophageal reflux disease.
  • Laparoscopic treatment of hernias, and gallstone disease.

Title or Designation

General Surgeon

Full NZ Registration Date

12 December 2002

Vocational Scope

General Surgery

Contact Details

Dr Mark Grant is available at the following services:

This service is available at the following locations:

Dunedin Hospital

Wards 4A & 4C - Inpatient areas
Ward 4B - Preadmission and Day of Surgery Admission area
4th floor Clinical Services Building - Outpatient Clinics

Southland Hospital, Invercargill

Emergency Department:
Ph (03) 218 1949, 24 hours / 7 days


Dunstan Hospital, Clyde

Outpatients: Ph (03) 440 4301; Fax (03) 440 4311 

For more contact numbers click here

Private Services

Mr Mark Grant - General Surgeon

This service is available at the following location:

Marinoto Clinic, 72 Newington Ave, Dunedin

Private Surgical Services

Mercy Hospital Dunedin - Bariatric Surgery

This service is available at the following location:

Mercy Hospital Dunedin, 72 Newington Avenue, Maori Hill, Dunedin

Mercy Hospital Dunedin - General Surgery

This service is available at the following locations:

Mercy Hospital Dunedin, 72 Newington Avenue, Maori Hill, Dunedin

Manaaki by Mercy, 72 Newington Avenue, Maori Hill, Dunedin