Our Team

Welcome to our Bariatric Team here at Ashford and St Peters Hospitals NHS Foundation Trust. We are a dedicated team of Health Professions specialising in Bariatric Management.


Samer Humadi

Bariatric and Upper G.I. Consultant

Mr Samer Humadi was appointed as Consultant Surgeon in the Department of Upper Gastrointestinal and Bariatric Surgery at Ashford & St Peter’s Hospital NHS Trust in May 2010. He also works as a Consultant Bariatric Surgeon at St. George’s Healthcare NHS Trust. Mr Samer Humadi was trained as Clinical Research Fellow at Hammersmith Hospitals from 2000 to 2002 after, which he was trained as a Specialist Registrar in General Surgery at the Southwest Higher Surgical Training Programme.

His training rotation involved working at Cheltenham Hospital, Frenchay Hospital, Weston Hospital, Yeovil Hospital, Musgrove Park Hospital, Gloucestershire Royal Hospital, Bristol Royal Infirmary and the Royal United Hospital in Bath. After completing his general surgery training, he has chosen upper gastrointestinal surgery as a speciality of interest. He has also sub-specialised in Bariatric (obesity) surgery having worked for a year at the Bariatric Unit at Musgrove Park Hospital in Taunton.

At his current post as a Consultant Upper Gastrointestinal & Bariatric Surgeon at Ashford & St Peter’s Hospitals he is particularly interested in performing weight loss surgery. He is also interested in the diagnosis and treatment of general and upper gastrointestinal surgical diseases including gallbladder surgery, open and laparoscoic hernia repair, hiatus hernia, anti-reflux surgical procedures, upper gastrointestinal endoscopy.


Shashi Irukulla

Bariatric and Upper G.I. Consultant

Mr. Shashi Irukulla is a General, Laparoscopic and Bariatric Surgeon. He is currently a Consultant Upper GI and Bariatric Surgeon at Ashford and St. Peter’s Hospital NHS Trust in Chertsey, Surrey.

The most frequent procedures he undertakes are gastric bypass, sleeve gastrectomy, gastric banding, gastric balloon insertion, gall bladder surgery, anti-reflux surgery, hernia surgery (open & laparoscopic),endoscopy and colonoscopy.

Academic background following his graduation in South India, Mr Irukulla migrated to the U.K for further training in surgery. He has also trained in Australia and Scotland. He completed a Bariatric Fellowship Programme at St.George’s Hospital, London and visited various European centres including Hamburg and Bruges to further his knowledge in Bariatric Surgery.

Mr Irukulla developed Bariatric MDT services at Ashford & St.Peter’s Hospital and helped the hospital to achieve the status of an Independent Bariatric Centre. He has a special interest in teaching and regularly teaches A.T.LS., CcRISP and Laparoscopic training courses. He is also an examiner in undergraduate medical examinations.


Kumaran Ratnasingham

Bariatric and Upper G.I. Consultant

GMC: 6079278


  • Laparoscopic Upper Gastrointestinal/ Bariatric (obesity) Surgery
  • Laparoscopic Anti reflux surgery
  • Hiatus hernia surgery
  • Complex Abdominal Wall Reconstruction Surgery
  • Laparoscopic Adrenal Surgery
  • Laparoscopic Inguinal Hernia Surgery
  • Upper GI endoscopy