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About the surgeon

Stefanos LazaridisMD, FRCS

Director, 11th Surgical Clinic for Obesity & Reflux
Metropolitan General, Athens

Formerly NHS Consultant in Upper GI & Bariatric Surgery, London

At a glance

Stefanos Lazaridis MD, FRCS is a bariatric and reflux surgeon in Athens. After completing general surgery training in Athens in 2012, he held fellowships in London at King’s College Hospital, the Whittington and St George’s. In 2015 he was appointed to a permanent (substantive) NHS Consultant post in Upper GI and Bariatric Surgery at Kingston Hospital, with an honorary consultant appointment at St George’s University Hospital, and served in both until 2018. Back in Athens, he served at Athens Central Clinic and as Director of Obesity and Reflux Surgery at Euroclinic of Athens. He now directs the 11th Surgical Clinic for Obesity and Reflux at Metropolitan General hospital, Athens.

Special interest

When the first operation did not go to plan

A large part of my work is with patients operated on elsewhere, in Greece or abroad, who live with symptoms nobody has explained. Diagnosing problems after weight loss surgery takes time, the right tests and experience with the anatomy the previous operation left behind.

Revisional surgery

  • Reflux and oesophagitis after a gastric sleeve
  • Narrowing (stenosis) or twisting of the sleeve
  • Ulcers, internal hernias and narrowing after a gastric bypass
  • Weight regain after any operation
  • Removal of gastric bands and conversion to another operation

Experience

Surgical experience

Approximate career totals, as primary surgeon.

1,000+

Bariatric operations

Of all types, including revisional surgery.

1,000+

Hernia repairs

Including laparoscopic TEP repair.

Hundreds

Anti-reflux operations

Fundoplication and hiatus hernia repair.

2,000+

Laparoscopic cholecystectomies

Keyhole gallbladder removal.

Career

Positions held

Years Position Institution
2025–present Director, 11th Surgical Clinic for Obesity & Reflux Metropolitan General, Athens
2022–2024 Director, Obesity & Reflux Surgery Department Euroclinic of Athens
2018–2021 Upper GI & Bariatric Surgeon Kentriki Kliniki Athinon (Athens Central Clinic)
2015–2018 Consultant Upper GI & Bariatric Surgeon (substantive) Kingston Hospital NHS Foundation Trust, London
2015–2018 Honorary Consultant Upper GI & Bariatric Surgeon St George’s University Hospital, London
2014–2015 Bariatric Surgery Fellow St George’s University Hospital, London
2013 Bariatric & Reflux Surgery Fellow Whittington Hospital, London
2012–2013 HPB (Liver & Pancreas) Surgery Fellow King’s College Hospital, London
2012 Specialist in General Surgery Sismanoglio Hospital, Athens

Education and qualifications

Qualifications, memberships and research

MD

Semmelweis University

Medical degree, Semmelweis University, Budapest.

2012

General surgery

Specialist in General Surgery, Sismanoglio Hospital, Athens.

FRCS

Royal College of Surgeons of England

Fellow of the Royal College of Surgeons of England.

Strasbourg

Laparoscopic surgery

Certified in laparoscopic surgery, University of Strasbourg.

TUGSS

The Upper GI Surgical Society

Member of the UK society for upper gastrointestinal surgery.

Research

Publications

Published in Annals of Surgery and Obesity Surgery, with nearly 200 citations.

Clinical focus

What I treat

Bariatric and metabolic surgery

Gastric sleeve and gastric bypass.

Revisional surgery

Diagnosing and correcting problems after previous weight loss operations, often done elsewhere.

Reflux and hiatus hernia

Anti-reflux surgery, always after full diagnostic work-up.

General laparoscopic surgery

Hernia repair and gallbladder surgery, almost always by keyhole technique.

The team

A permanent multidisciplinary team

Weight loss and reflux surgery work best when the same experienced team prepares you and follows you up. I work with a stable team of specialists:

2

Gastroenterologists

Gastroscopy, reflux and oesophageal function testing before and after surgery.

2

Pulmonologists

Assessment of breathing and sleep apnoea before surgery.

1

Endocrinologist

Diabetes, hormones and metabolic care.

1

Dietitian

Specialised in weight loss surgery: preparation, diet stages and long-term nutrition.

1

Psychiatrist

Specialised in weight loss surgery: assessment and support before and after the operation.

Philosophy

What I consider real success in surgery

Success is not the operation itself. It is the patient’s life after it: safety, understanding what was done and why, and being able to live normally without fear of complications. That is why I treat surgery not as a single act but as a process that starts before the operation and continues long after it.

Not everyone needs an operation, and not every problem needs one now. Part of my job is to explain when surgery has a real benefit, and when it does not. Choosing the right patient and giving honest information matter to me as much as technical skill.

Stefanos Lazaridis

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