Dr. Mazn Karmo

Consultant Gastroenterologist


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Dr. Mazn Karmo is a UK certified Consultant Gastroenterologist and hepatologist (CCT 2008). He is a fellow of the Royal College of Physicians. He has over 20 years of experience in all aspects of adult Gastroenterology and Hepatology diseases including diagnostic and therapeutic GI endoscopy procedures. He developed the liver service at the Countess of Chester Hospital in the UK when he worked as head of the Gastroenterology department. He moved to Abu Dhabi in 2019, initially working at Mediclinic Airport Road Hospital before joining Yas Clinic. Dr. Mazn has a special interest in assessing and managing liver diseases including fatty liver, autoimmune liver diseases and pre/post liver transplant care. His other area of interest includes GI disorders (abdominal pain, food intolerance, inflammatory bowel disease) and advance endoscopy procedures like ERCP, upper and lower GI stenting/ dilation and bowel cancer screening (UK accredited). He is committed to delivering a professional and personal high-quality service.

Clinical expertise:

  • Anemia, Investigation, And Management of Iron Deficiency Anemia
  • Abdominal Pain, Diarrhea, Constipation, And Rectal Bleed
  • Gastro-Esophageal Reflux Disease, Irritable Bowel Syndrome
  • Helicobacter Pylori Management
  • Inflammatory Bowel Disease (Crohn’s Disease, Ulcerative Colitis, and Microscopic Colitis)
  • Food Intolerance and Coeliac Disease
  • Investigations and management of abnormal liver function tests
  • Primary Biliary Cholangitis and autoimmune liver diseases
  • Haemochromatosis (Diagnosis and Management)
  • Investigation and Treatment of Jaundice
  • Fatty liver and other metabolic diseases.
  • Alcoholic Liver Disease and alcoholic hepatitis/cirrhosis
  • Hepatitis B and Hepatitis C treatment
  • Performing diagnostic and therapeutic upper GI endoscopy
  • Managing acute GI bleeds (treating ulcers and varices)
  • Carrying out colonoscopies and polypectomies EMR
  • Diagnostic and therapeutic ERCP
  • Capsule endoscopy
  • Feeding tube insertion PEG
  • Fibro scan


  • 2014 Fellow of the RCP FRCP London
  • 2015 The Royal College of Physicians RCP MRCP examiner
  • 2008 Certificate of Completion of Training CCT
  • General Internal Medicine, Gastroenterology and Hepatology
  • 2002 Member of the RCP MRCP (U.K)
  • 1996 Medicine Diploma M.D. (Damascus University)

Memberships :

  • The European Association for the Study of the Liver EASL
  • The British Society of Gastroenterology BSG
  • The British Association for the Study of the Liver BASL

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