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Jacques Marnewick – General, Laparoscopic & Thyroid Surgeon

Private Service, General Surgery



Mr Jacques Marnewick is a New Zealand-trained general surgeon in private practice in Tauranga. He is also a consultant surgeon in the Department of General Surgery at Tauranga Hospital and the Trauma Medical Director for the Bay of Plenty.  
The emphasis in his practice is on quality and care. He recognises that the surgical process is often a daunting journey and considers it a privilege and professional duty to support his patients throughout that journey. 

Conditions Mr Marnewick treats include: 

  • thyroid and parathyroid disease
  • hernias
  • gallbladder, gallstone and biliary disease
  • skin cancers
  • melanoma
  • intra-abdominal diseases
  • pilonidal disease
  • urgent lymph node biopsies 
  • other general surgical problems including haemorrhoids and peri-anal disease
What is General Surgery?
The role of the general surgeon is broad and includes managing disorders of the intestines, gallbladder, breast, neck and skin. It also covers peri-anal problems.
While the name would suggest that the focus of general surgery is to perform operations, often this is not the case. Many patients are referred to surgeons with conditions that do not need surgical procedures, but merely require counselling or medical treatment.
What is Laparoscopic Surgery?
Laparoscopic (or keyhole) surgical procedures are performed through several small cuts (incisions) usually only 5-10mm long, rather than through one larger incision.

A long, narrow surgical telescope (laparoscope) that has a tiny camera and light source attached, is inserted through one of the incisions so that the surgeon can view the inside of the body on a TV monitor.

The surgeon then passes specially designed surgical instruments through the other incisions and carries out the procedure using the TV monitor to guide the instruments. Gallbladder surgery, hernias and a number of other intestinal operations can be performed in this way.

Laparoscopic surgery is usually associated with less blood loss during surgery and less pain and scarring following surgery. In most cases, time spent in hospital is less and overall recovery time from the operation is less than with conventional open surgery.


Referral Expectations

When you come to your appointment, your surgeon will ask questions about your illness and examine you to try to determine or confirm the diagnosis. This process may also require a number of tests (e.g. blood tests, x-rays, scans etc). Sometimes this can all be done during one visit, but for some conditions this will take several follow-up appointments. Occasionally some tests are arranged even before your appointment to try to speed up the process.
Once a diagnosis has been made, your surgeon will discuss treatment with you. In some instances this will mean surgery, while other cases can be managed with medication and advice. If surgery is advised, the steps involved in the surgical process and the likely outcome are usually discussed with you at this time.
Read more about your consultation with Mr Marnewick here and, if surgery is required, find out what would be involved here


Jacques is a Southern Cross Affiliated Provider under the General Surgery (gallbladder, hernia) and Skin categories.

Jacques is an nib First Choice Provider.


Mon – Fri8:00 AM – 5:00 PM

Procedures / Treatments

  • Thyroid & Parathyroid Surgery

    Thyroid and parathyroid diseases are very specialised areas of general surgery, that cover the small glands located in the front of the neck.… More

  • Hernias

    A hernia exists where part of the abdominal wall is weakened and the contents of the abdomen push through to the outside.… More

  • Gastrointestinal Disorders

    Conditions of the gut dealt with by general surgery include disorders of the oesophagus, stomach, small bowel, large bowel and anus.… More

  • Gallstones

    Sometimes, some of the watery fluid (bile) stored in the gallbladder hardens into pieces of stone-like material known as gallstones.… More

  • Skin Disorders

    Skin conditions dealt with by general surgery include lumps, tumours and other lesions of the skin and underlying tissues.… More

  • Skin Cancers

    New Zealand has a very high rate of skin cancer, when compared to other countries.… More

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Contact Details

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Tauranga Specialist Centre
752 Cameron Road
Tauranga South
Bay Of Plenty 3112

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Street Address

Tauranga Specialist Centre
752 Cameron Road
Tauranga South
Bay Of Plenty 3112

This page was last updated at 10:38AM on October 5, 2021. This information is reviewed and edited by Jacques Marnewick – General, Laparoscopic & Thyroid Surgeon.