Mr Antonios Athanasiou



GMC number: 7512942

Practising since: 2006


General Surgery

Consultation times

  • Haywards Heath - Tuesday evenings 19:00 - 20:30
  • Brighton - Thursday evenings 18:00 - 20:00
  • Overview
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01273 627007 (Brighton) / 01444 476732 (Haywards Heath) / 07878 434521 (Medical Secretary)


Mr Antonios Athanasiou is a Consultant Laparoscopic and robotic Upper Gastrointestinal Surgeon at the University Hospitals of Sussex NHS Trust. He is an expert in minimally invasive keyhole surgery techniques, specializing in laparoscopic/robotic procedures for gallbladder disease, inguinal hernia, acid reflux, Hiatus Hernias, and various gastrointestinal conditions.

Currently, he serves as the clinical lead of the Upper GI department at Royal Sussex County Hospital in Brighton. Notably, Mr Athanasiou introduced the Upper GI robotic service at the University Hospitals of Sussex NHS Trust in 2022 and has successfully performed over 200 robotic procedures in the UK using the Da Vinci Robot XI.

His surgical training was comprehensive, covering the full spectrum of general and Upper gastrointestinal Surgery. This included a final period of specialty fellowship at St James University Hospital in Leeds. Mr Athanasiou has gained extensive experience in upper gastrointestinal and bariatric surgery, offering a range of minimally invasive treatments.

During his training, Mr Athanasiou earned a PhD in liver regeneration, and his research interests span minimally invasive surgical techniques, improvement of patient care through innovation, and the metabolic implications of obesity. He has contributed significantly to the field, publishing over 150 articles in peer-reviewed journals on various aspects of General Surgery.

Beyond his clinical practice, Mr Athanasiou has a longstanding interest in medical education. He serves as an educational supervisor to trainees of different seniority levels, including senior Upper GI trainees approaching the completion of their training. Since 2020, he has also held the position of a senior lecturer at the Brighton & Sussex Medical School.

Mr Athanasiou will provide you with an experienced and honest account of the options, risks and benefits of advanced laparoscopic surgery, putting your safety and well-being as the first priority.

Special interests

· All abdominal wall hernias (inguinal /incisional/umbilical/femoral)

· Gallbladder removal

· Gallstones

· Anti-reflux surgery

· LINX® Reflux Surgery

· Laparoscopic hiatus hernia and giant paraesophageal hernia repair

· Endoscopy

· Barrett's Oesophagus

· Achalasia and oesophagael dysmotility disorders

· Indigestion (Dyspepsia)

· Laparoscopic Appendicetomy 

· Lumps and Bumps/ Skin Lesions

Other interests

Robotic Surgery, obesity surgery, gastro-oesophageal reflux, advanced laparoscopic surgery and upper gastrointestinal endoscopy.

Personal interests

Mr Antonios Athanasiou enjoys tennis, watching football, playing chess and a glass of fine wine.

Languages spoken

English, Greek

Treatments and tests offered by Mr Antonios Athanasiou at Nuffield Health

  • Appendicectomy
  • Open surgery groin hernia repair
  • Gastroscopy (or gastrointestinal (GI) endoscopy)
  • Laparoscopic incisional hernia repair
  • Reflux surgery (fundoplication)
  • Cholecystectomy (Gallbladder removal)
  • Laparoscopic groin hernia repair
  • Colorectal surgery
  • Laparoscopic reflux surgery (fundoplication)
  • Ileostomy
  • Abdominal adhesion surgery
  • Gastroesophageal
  • Soft tissue lump service
  • Splenectomy
  • Excisional biopsy
  • Umbilical hernia repair
  • Hernia repair
  • Excision of skin lesion
  • Biliary and renal drainage
  • Diagnostic endoscopy
  • Bilateral (inguinal) hernia repair
  • Gastrointestinal tract
  • Upper gastrointestinal endoscopy
  • Hernia unilateral
  • Trauma Surgery
  • Laparoscopic cholecystectomy (gallbladder removal)
  • Bile duct resection

Locations Mr Antonios Athanasiou works with

Related experience


Whilst he was training, Mr Athanasiou gained his PhD in liver regeneration which has been published widely. His research interests have included minimally invasive surgical techniques, improvement of patient care through innovation and the metabolic implications of obesity. He has been widely published in numerous field-related, peer-reviewed journals.


  • Royal College of Surgeons of England (FRCS Eng)
  • Association of Upper GI Surgeons (AUGIS)
  • British Obesity and Metabolic Surgery Society (BOMSS)
  • The British Hernia Society
  • Member of the European Association for Cancer Research

Other posts held

  • Consultant Oesophagogastric, General and Minimally Invasive Surgeon - University Hospitals Sussex NHS Trust

Insurers Mr Antonios Athanasiou works with

Mr Antonios Athanasiou works with the following private medical insurance providers:

  • Aviva Health
  • AXA Health
  • AXA - Global Healthcare
  • Cigna
  • The Exeter Friendly
  • Vitality Health (Pru Health)


Mr Antonios Athanasiou does not hold a share or financial interest in this hospital, another Nuffield Health hospital or the company.

Mr Antonios Athanasiou does not have a share or financial interest in equipment used at this hospital or another Nuffield Health hospital.

Mr Antonios Athanasiou does not hold any paid advisory role(s) at this hospital or on behalf of Nuffield Health.

Free events with Mr Antonios Athanasiou

Meet our gallstones and hernias expert

Thursday 20 June 2024

Brighton Hospital

Mr Antonios Athanasiou

Free mini 1-2-1 sessions with our gallstones and hernias expert, Antonious Athanasiou.

Book your place now