Mr Thomas Groot-Wassink



GMC number: 3703100

Practicing since: 1991


General Surgery

Consultation times

  • Weekly Tuesday 18:00 - 21:00
  • Overview
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Following a General Surgical Training at Addenbrooke’s Hospital, Cambridge, Mr Groot-Wassink gained specialist training in upper gastrointestinal surgery in East Anglia and London. In addition he trained in international centres of excellence at MSK New York, Johns Hopkins Baltimore, Charite Berlin and Heidelberg.

He was appointed as a consultant general and hepatopancreaticobiliary surgeon in 2006. In his practice he routinely performs laparoscopic surgery for gallbladder/bile duct diseases, reflux/hiatus hernia, appendicectomies, groin and incisional hernias. He has specialist experience in surgery to the liver (liver resection) and pancreas. He has also developed a practice in hyperparathyroidism surgery for hypercalcaemia and osteoporosis.

Mr Groot-Wassink performs diagnostic and therapeutic endoscopies of the stomach and large bowel.

As part of his general surgical work he routinely performs operations on the large and small bowel.

Other interests

Liver, gallbladder and pancreas surgery, laparoscopic and open hernia repairs, antireflux surgery, thyroid and parathyroid surgery, diagnostic and therapeutic upper and lower GI endoscopy

Personal interests

Dr Groot-Wassink enjoys gardening and swimming and spending a lot of time with his two boys aged four and six.

Treatments and tests offered by Mr Thomas Groot-Wassink at Nuffield Health

  • Liver resection
  • Diagnostic endoscopy
  • Laparoscopic incisional hernia repair
  • Laparoscopic anti-reflux surgery
  • Hernia repair
  • Cholecystectomy (Gallbladder removal)

Locations Mr Thomas Groot-Wassink works with

Related experience


Mr Groot-Wassink has a strong academic background gaining both a MD and PhD. He was awarded a MD following research investigating aspects of monoclonal antibody production for pharmaceuticals.

His PhD was awarded by Imperial College, London following 3 years of research at the Hammersmith Hospital. This work was funded by a prestigious grant from the Medical Research Council and investigated the delivery of gene therapy vectors by positron emission tomography. This was with the specific aim of delivering new biological drugs to pancreatic cancer tissues.

In his current clinical post his interests lie in the practical application and incremental improvement of existing imaging (particularly CT - computerised tomography) to support treatment of routine surgical conditions. He has recently been involved in a trial of computer tomography as a primary investigation for emergency admissions. He is currently performing research into the assessment of a new protocol for the localisation of parathyroid adenomas.


  • Medical Protection Society
  • Fellow Royal College of Surgeons
  • British Association of Endocrine and Thyroid Surgeons
  • German Surgical Society
  • Hospital Consultants and Specialists Association

Other posts held

  • The Ipswich Hospitals NHS Trust

Insurers Mr Thomas Groot-Wassink works with

Mr Thomas Groot-Wassink works with the following private medical insurance providers:

  • Bupa
  • AXA PPP Healthcare
  • WPA
  • Cigna
  • Allianz


Mr Thomas Groot-Wassink does not hold a share or financial interest in this hospital, another Nuffield Health hospital or the company.

Mr Thomas Groot-Wassink does not have a share or financial interest in equipment used at this hospital or another Nuffield Health hospital.

Mr Thomas Groot-Wassink does not hold any paid advisory role(s) at this hospital or on behalf of Nuffield Health.