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Useful Information

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Contacts A-Z of Staff

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Dr. Ailsa Hart BA (Hons) BMBCh FRCP PhD

Ailsa HartDr Ailsa Hart trained in medicine at Oxford University and was awarded a First Class Honours Degree in 1992 and the George Pickering Prize for Medicine and Surgery Proxime Accessit in 1995 and prizes for outstanding achievements. She achieved Membership of the Royal College of Physicians in 1998 and trained in Gastroenterology and General Internal Medicine in London...

Dr. Adam Haycock MBBS BSc MRCP MD
Consultant Gastroenterologist and Endoscopist

Adam HaycockDr Adam Haycock is a consultant physician and gastroenterologist who joined the consultant staff in 2011. He specialises in endoscopy with a particular interest in colonoscopy and therapeutic endoscopy, including polypectomy, endoscopic mucosal resection, stent insertion, stricture dilatation and treatment of bleeding lesions...

Mrs. Jenny Haynes

Ms. Ummy Hicks RGN, Diploma in Nursing 1985
Modern Matron

Ummy joined St Mark’s in August 2009 as Modern Matron having worked in Watford General for 10 years with experience of managing a range of specialities. She manages the Intestinal Failure Unit, St Mark’s Outpatients department and Frederick Salmon ward. She has responsibility for setting, maintaining, monitoring and audit of standards of professional practice...

Dr. Adam Humphries BSc MBBS PhD MRCP
Consultant Gastroenterologist

Adam HumphriesDr Adam Humphries is a luminal gastroenterologist and specialist gastrointestinal endoscopist. He is the clinical lead for the small bowel endoscopy service at St Mark’s, a national referral centre and one of only a few sites in the UK that provides double-balloon enteroscopy for the diagnosis and treatment of small bowel diseases...

Dr. Warren Hyer MB ChB FRCPCH MRCP
Paediatrician and Paediatric Gastroenterologist

Warren HyerDr Warren Hyer is the Paediatric and Adolescent Gastroenterologist at St Mark's Hospital with clinics in paediatric inflammatory bowel disease and paediatric nutrition and allergy. He has published widely on polyposis syndromes in children and is the lead for the UK paediatric polyposis services...

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