Mr Gregory Thomas- Consultant Surgeon, Ashtead Hospital, Surrey

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Mr Gregory Thomas - General Surgery

Mr Gregory Thomas is a Consultant General Surgeon in Surrey, who specialises in colorectal treatment.

Clinical interests

Mr Gregory Thomas is a Consultant Colorectal Surgeon. He qualified from Imperial College School of Medicine (St Mary’s Hospital) in 2003 with a distinction in surgery and an intercalated BSc from Imperial College, London. His basic surgery training was undertaken at St Mary’s Hospital and in the Northwest London region.

Mr Thomas received specialist general and colorectal training in Southwest London and Surrey. He undertook two years of research into pelvic floor disorders at St Mark’s Hospital (a world renowned hospital for bowel disorders) and was awarded a post-graduate research degree (MD) from Imperial College, London. He has maintained a strong ongoing research interest in this field. He has published over 40 peer reviewed papers and four text book chapters on pelvic floor and colorectal disorders. He has presented widely on these subjects at national and international meetings.

He was awarded a travelling fellowship from the Association of Coloproctology of Great Britain and Ireland in 2016, and has spent time at the world renowned Cleveland Clinic Hospitals in Florida and Ohio, and at the Centre Hospitalier Universitaire de Nantes, France. He received the FRCS from the Royal College of Surgeons of England in 2016. Prior to his appointment to Ashford and St Peter’s, Mr Thomas spent a further year at St Mark’s Hospital as a Resident Surgical Officer for higher post graduate training. He was previously a consultant colorectal surgeon at Ashford and St Peter's NHS Trust.

Mr Thomas areas of interest are: 

Colorectal surgery, faecal incontinence, constipation, colonoscopy, groin hernia, incisional hernia, haemorrhoids, anal fissures, anal skin tags, diverticular disease and rectal prolapse

Professional Memberships

The Royal College of Surgeons of England

The Association of Coloproctology of Great Britain and Ireland

The European Society of Coloproctology

The Pelvic Floor Society

British Medical Association

NHS base

St Mark's Hospital, London - Specialist Bowel Hospital

0137 223 7000