BSc (Hons), MBBS, FRCP, PhD
Nuffield Health Guildford Hospital
Stirling Rd
Guildford
GU2 7RF
Nuffield Health Parkside Hospital
Parkside Avenue, Wimbledon
London
SW19 5NX
Dr Marinos Pericleous
Specialist in Gastroenterology,
Liver Disease & Endoscopy
About Dr. Pericleous
Dr. Pericleous is a consultant gastroenterologist with additional accreditations in hepatology (liver disease) and general internal medicine. He currently holds a substantive consultant position at Royal Surrey NHS Foundation Trust.
He received his medical degree from University College London and Royal Free Medical School in London. During his training, he gained extensive experience in the management of all aspects of general gastroenterology, nutrition, gastrointestinal cancers, inflammatory bowel disease, and hepatology. He also worked as a senior clinical fellow at the ENETS Centre of Excellence of the Royal Free Hospital, developing his expertise in the management of neuroendocrine tumours of the digestive tract. As a higher trainee, he worked at the renowned Sheila Sherlock hepatology and liver transplant centre of the Royal Free Hospital in London. Subsequently, he completed his
advanced hepatology training at the Institute of Liver Studies of King’s College Hospital, including the Liver Intensive Therapy Unit. He further honed his expertise in complex hepatology by working at the distinguished liver unit of St. Mary's hospital in Paddington, and as a visiting fellow at the Yale-New Haven Liver Centre in the United States.
Dr. Pericleous is a dedicated researcher and advocate for professional development. He holds a Doctor of Philosophy (PhD) in liver diseases and has presented his research at numerous regional, national, and international conferences. He has authored multiple peer-reviewed articles on various aspects of gastroenterology, hepatology, nutrition, and cancer, and is widely published in high-impact journals, including Lancet Gastroenterology & Hepatology. He has also authored several book chapters in his field. Currently, he serves as the principal investigator on several clinical trials in his area of expertise. In recognition of his services in medicine and research, he was elected a fellow of the Royal College of Physicians in 2024.
Furthermore, Dr. Pericleous is a JAG-accredited endoscopist (gastroscopy and colonoscopy) and conducts weekly diagnostic and therapeutic endoscopic lists. He is also an established endoscopy trainer. Moreover, he has been trained in delivering hepatic ultrasonography and fibroscanning of the liver (elastography).
Areas of Specialisation
Liver disease inclduing biliary medicine (hepatology)
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Fatty Liver Disease
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Metabolic liver disorders
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Liver Cirrhosis
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Jaundice
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Alcoholic Liver Disease
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Acute and chronic viral hepatitis (Hepatitis A-E)
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Autoimmune liver Disease
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Primary Biliary Cholangitis (PBC)
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Primary Sclerosing Cholangitis (PSC)
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Autoimmune Hepatitis (AIH)
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Hereditary Haemochromatosis
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Hepatocellular Carcinoma (HCC)
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Cholangiocarcinoma
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Gilbert Syndrome
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Gallstones
Disorders of the small and large bowel
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Irritable bowel syndrome (IBS)
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Bloating
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Inflammatory Bowel Disease (IBD)
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Ulcerative colitis
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Crohn's disease
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Acute and Chronic Diarrhoea
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Constipation
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Coeliac disease
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Upper GI endoscopy (OGD)
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Colonoscopy
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Therapeutic endoscopy inc. polyp removal
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Small Intestine Bacterial Overgrowth (SIBO)
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Diverticular Disease
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Colorectal cancer
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Neuroendocrine cancers (NET)
Disorders of the Oesophagus (gullet) and stomach
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Acid reflux including laryngopharyngeal reflux
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Indigestion/Dyspepsia
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Gastritis
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Gastric and duodenal ulcers
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Helicobacter Pylori infection
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Barrett's oesophagus
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Hiatus Hernia
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Upper and Lower GI bleeding
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Gastric Cancer
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Gastric Carcinoid tumours
Diseases of the Pancreas
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Acute pancreatitis
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Chronic Pancreatitis
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Pancreatic Insufficiency (exocrine)
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Autoimmune pancreatitis
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IgG4- Related Disease
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Pancreatic Neuroendocrine cancers
Insurance
Dr Pericleous is recognised by most medical insurance companies
Dr Pericleous is recognised and fee-assured with most insurance providers. He is also happy to see self-referrals. The initial consultation price for Dr Pericleous is £250, with follow up consultations charged at £175.
