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Marcus Reddy: Upper Gastrointestinal and Bariatric Surgeon, London

Marcus Reddy
Upper Gastrointestinal and Bariatric Surgeon, London: Marcus Reddy

Consultant Upper Gastrointestinal and Bariatric Surgeon specialising in cholecystectomy operations (gallstones), laparoscopic gastric banding, sleeve gastrectomy, Roux en Y gastric bypass, laparoscopic and open hernia repairs and anti-reflux surgery such as laparoscopic Nissen fundoplication and surgery for achalasia.


Marcus Reddy is Consultant Surgeon at St George's Hospital. He is the lead Upper GI Surgeon at St George's and developed the South Thames Bariatric Service which is preferred provider for NHS bariatric surgery in the region.


Marcus is Service Director of the Rapid Gallstone Clinic in London, which provides prompt clinical and radiological assessment for private patients with suspected gallstone symptoms. Usually key hole surgery (laparoscopic cholecystectomy) is used, however non-surgical options may also be appropriate.


Mr Reddy's gastrointestinal and bariatric training and qualifications 

Marcus trained in London and Australia where he gained an in-depth knowledge of GI surgery, liver transplant, hepatobiliary surgery and laparoscopic bariatric surgery. 

He is a fully accredited on the UK General Medical Council's Specialist Register for General Surgery with a nominated special interest Upper Gastrointestinal and Hepato-Pancreato-Biliary surgery.

He is also a member of the committee overseeing the National Bariatric Surgery Database, a Senior Lecturer in Surgery at St George's and an active member many prestigious associations.  

Laparoscopic treatments for gallstones, hernia repair and obesity

Mr Reddy's NHS and private practice spans a range of laparoscopic and open general surgery for local and regional patients, including:


Marcus performs cholecystectomy and hernia repairs as day-case when appropriate and uses non-diathermy techniques such as Ultracision Harmonic Scalpel to avoid electrical conduction complications in laparoscopic surgery. He has particular experience with high risk bariatric surgery where staged procedures are required.



Mr Reddy has published on management of biliary injuries following cholecystectomy, unusual hernias such as interparietal hernias and also follow-up of hernia repairs performed with pre-peritoneal techniques. He has lectured nationally and internationally on bariatric surgery.


GMC Number:               3659816                            Check this doctor's GMC registration

Date of registration:   05 August 1993


Accreditation and admitting rights at private hospitals

Mr. Marcus Reddy is an accredited consultant for the UK's leading private healthcare providers and private hospitals, including  HCA Hospitals.

HCA admitting rights



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Contact details

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Mr Marcus Reddy - The London Gastrointestinal Associates

Lister House, The Lister Hospital, Chelsea Bridge Road, London, SW1W 8RH

Tel: 0207 881 4054

Fax: 0207 881 4094

Email: marcusreddy@doctors.org.uk

Website: www.londongiassociates.com 


Areas of expertise

Qualifications and memberships


  • MBBS
  • BSc
  • LLB
  • FRCS(Eng)
  • FRCS(Gen)

Professional memberships


Places of work

NHS treatment

St George's Hospital, Blackshaw Road,

London, SW17 0QT 

Tel: 020 8672 1255


Private treatment 

The London Gastrointestinal Associates,

The Lister Hospital, Chelsea Bridge Road, London, SW1W 8RH

Tel: 0207 881 4054


Parkside Hospital,53 Parkside
, SW19 5NX

Tel: 020 8971 8000


St Anthony's Hospital,
London Road, North Cheam, Surrey, SM3 9DW

Tel: 020 8337 6691


Rapid Gallstone Clinic,Located across Central and Greater, London

Tel: 0207 100 8083 



Tel: 0800 862 0343