Dr Gareth Lewis



GMC number: 6054697

Practising since: 2002


Clinical Radiology

Consultation times

  • Wedesday 1330 - 1545
  • Overview
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Gareth Lewis qualified from Imperial College School of Medicine in 2002. Prior to radiology training his clinical background was in surgery, completing basic surgical training across most surgical specialties and a year of higher surgical training in colorectal surgery. He was admitted as a Member of the Royal College of Surgeons in 2006. 

Dr Lewis trained as a Clinical Radiologist in Sussex and underwent subspecialty training in gastrointestinal imaging, interventional radiology, endoscopy and endoscopic ultrasound at the Royal Free Hospital, London and Addenbrookes Hospital, Cambridge. 

He was appointed as a Consultant Diagnostic and Interventional Radiologist in Brighton in 2013 and undertakes all forms of contrast study and cross sectional imaging pertaining to the gastrointestinal tract, liver and pancreatic systems, with a dedicated interest in oncology.  

He has extensive experience of CT colonography  (‘Virtual Colonoscopy’), and is a recognised Bowel Cancer Screening Programme Radiologist.  

He leads the Endoscopic Ultrasound cancer staging service at University Hospitals Sussex NHS Foundation trust, a regional tertiary referral centre for Oesophagogastric Cancer Surgery, and has a busy oncology interventional practice. 

Since his consultant appointment he has held a number of positions including Clinical Lead for Radiology, Lead Gastrointestinal Radiologist and Radiology Lead for the Sussex Bowel Cancer Screening Programme. 

Special interests

Upper and Lower gastrointestinal imaging, including Small bowel enterography and virtual colonoscopy.

Hepatobiliary and pancreatic imaging.

General diagnostics.

Image guided drainage and biopsy.

Treatments and tests offered by Dr Gareth Lewis at Nuffield Health

  • Interventional radiology
  • Liver biopsy
  • Fine needle biopsy
  • Local anaesthetic
  • CT scan (or CAT scan)
  • X-ray
  • Image guided aspiration and biopsy
  • Ultrasound

Locations Dr Gareth Lewis works with

Related experience


  • Fellow of the Royal College of Radiologists
  • Radiological Society of North America

Other posts held

  • Consultant Radiologist at Royal Sussex County Hospital, University Hospital Sussex NHS Foundation Trust

Insurers Dr Gareth Lewis works with

Dr Gareth Lewis works with the following private medical insurance providers:

  • Aviva Health
  • AXA - Global Healthcare
  • AXA Health
  • Benenden Health
  • Bupa
  • Bupa On Demand
  • Cigna
  • Simplyhealth
  • Vitality Health (Pru Health)


Dr Gareth Lewis does not hold a share or financial interest in this hospital, another Nuffield Health hospital or the company.

Dr Gareth Lewis does not have a share or financial interest in equipment used at this hospital or another Nuffield Health hospital.

Dr Gareth Lewis does not hold any paid advisory role(s) at this hospital or on behalf of Nuffield Health.