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Contacts A-Z of Staff

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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...

Mr. Alberto Isla FRCS
Consultant Surgeon

Alberto IslaMr Alberto Isla FRCS Consultant laparoscopic Upper GI Surgeon Alberto Isla has been a Consultant Upper GI surgeon in West London for the last 13 years. He joined St Marks in April 2010. He is purely a laparoscopic upper GI surgeon with an interest and track record in benign and malignant laparoscopic gastroesophageal surgery and obesity, laparoscopic management of complex gallbladders and bile ducts and laparoscopic management of pancreatic insulinomas and adrenal tumours...

Dr. Meron Jacyna MD FRCP
Consultant Gastroenterologist

Meron JacynaPrivate consultations; Secretary (Rosemary) on 07872962448. Or via Clementine-Churchill (0208 872 3838) or Northwick Park (0208 869 3390) Private consulting rooms Dr Meron Jacyna is a Consultant Gastroenterologist, working as part of the St Marks & Northwick Park Hospitals team. He is interested in all gastrointestinal and hepato-biliary diseases and undertakes the entire range of endoscopic procedures, including therapeutic gastroscopy, colonoscopy and ERCP...

Mr. Ian Jenkins
Consultant Surgeon

Ian JenkinsMr Ian Jenkins Consultant Surgeon Ian Jenkins was appointed as Consultant Surgeon to St. Mark’s Hospital in 2008 following training in Coloproctology/ Surgical Oncology in the West of Scotland and St. Mark’s Hospital. He studied at the University of Glasgow and spent two years in post-graduate research at the University Department of Surgery, Western Infirmary, Glasgow...

Ms. Samantha Kay DipHE Adult Nursing (Distinction); MSc Gastrointes
Intestinal Failure Nurse Practitioner

Having previously worked as an auxiliary nurse for 10 years Sam undertook her nurse training at Blackpool Victoria Hospital and the University of Central Lancashire, qualifying as a registered nurse in 2002. She then spent 2 years working on a colorectal surgical ward. Following advice from one of her consultant colorectal surgeons she then sought out employment at St...

Prof. Robin Kennedy MBBS FRCS
Consultant Surgeon, Adjunct Professor, Department of Surgery and Cancer, Imperial College, London

Robin KennedyProfessor Robin Kennedy qualified at King's College Hospital, London in 1976 and obtained the FRCS in 1980. His postgraduate training was undertaken in the South West of England, France and New Zealand. As a Wellcome Trust Fellow he spent two years with Professor Henri Sarles in Marseille, this period of research on pancreatitis led to an MS thesis in 1987...

Prof. Stella Knight BSc, PhD, FSB
Consultant Immunopathologist

Stella KnightProfessor Stella Knight is an immunologist and pioneer in studies of dendritic cells; she has demonstrated their dual role in either initiating or blocking mucosal immunity . Over the last 10 years she has established the Immunopathology laboratory, the Antigen Presentation Research Group, Imperial College London(www...

Miss. Judith Landgrebe BA MSc

Miss. Lisa MacKay
Wolfson Unit Secretary

Ms. Ripple Man
Clinical Nurse Specialist in Polyposis (Endoscopy)

Ms. Jean Mannings
Endoscopy and Academic Manager

Mrs. Suzanne Marron
Medical Secretary to Mr Robin Kennedy and Mr Jenkins

Ms. Sarah Marshall RN
Lead Specialist Bowel Screening Practitioner

Dr. Michele Marshall BSc MRCP FRCR
Consultant Radiologist and Clinical Lead

Michele MarshallMichele has been a Consultant Radiologist at St Mark’s since 2001. As clinical lead for St Marks’ radiology she has overseen the continuing development of this internationally renowned department. Whilst all our radiologists share responsibility for specialised imaging in all areas of our practice, Michele’s particular expertise and interest lies in the imaging of complex intestinal disease...

Dr. Adriana Martinez FRCPath
Consultant Histopathologist

Adriana MartinezDepartment: Cellular Pathology Telephone: 0208 869 3312 Dr Adriana Martinez has been a Consultant Histopathologist at Northwick Park and St Mark's Hospitals since 2007. She trained in Medicine at 'Universidad CES' in Medellin, Colombia. She pursued her postgraduate training in the United Kingdom, gaining experience in histopathology at University Hospitals Birmingham, The Royal Surrey County Hospital, King's College Hospital, The Royal Sussex County Hospital, University Hospital Lewisham and St Thomas' Hospital...

Mr. Peter McDonald MS FRCS
Consultant Surgeon

Peter McDonaldPeter McDonald has been a Consultant General Surgeon at NorthwickPark and St. Mark's (NPM) since 1991. He is a gastrointestinal surgeon with a special interest in coloproctology, laparoscopic cholecystectomy, hernia surgery, gastroscopy, colonoscopy, paediatric general surgery and emergency gastrointestinal surgery...

Miss. Hannah Middleton
Inflammatory Bowel Disease Nurse Specialist

Dr. Morgan Moorghen BSc MB ChB MD FRCPath
Consultant Histopathologist

Morgan MoorghenMorgan Moorghen trained in medicine at the Universities of St Andrews and Manchester. His postgraduate training was undertaken in the University department of pathology, Newcastle upon Tyne where he acquired an interest in gastrointestinal pathology and was also an active member of the Newcastle cell-kinetics research group...

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