108 doctors in the Medifly network
Dr. Chin Jun Liong (Adrian)MRCP (UK)Stomach & digestion · Kuala Lumpur
Gastroenterologist specialising in digestive, liver, and gastrointestinal disorders.
Conditions treated
Inflammatory Bowel Disease · Liver Disease Management
Stomach & digestion · Seremban
Assoc. Prof. Dr. Abdul Malik Mohamed Thalha is a Consultant Physician specialising in Gastroenterology and Hepatology. He has extensive experience in the diagnosis, treatment, and long-term management of disorders affecting the digestive system, liver, pancreas, gallbladder, and gastrointestinal tract. His clinical interests include the management of liver diseases, gastrointestinal disorders, digestive health conditions, and preventive gastroenterology. He is skilled in evaluating patients with complex gastrointestinal symptoms and developing personalised treatment plans aimed at improving long-term health outcomes and quality of life. In addition to his clinical practice, Assoc. Prof. Dr. Abdul Malik is actively involved in medical education and professional development. His academic background and specialist training have enabled him to contribute to the advancement of gastroenterology and hepatology services while maintaining a patient-centred approach to care.
Conditions treated
Liver Disease Management · Inflammatory Bowel Disease
Chen WeihaoStomach & digestion · Singapore
Dr Chen Weihao is a gastroenterologist at Parkway East Hospital, Singapore. His specialties are inflammatory bowel disease (Crohn’s disease and ulcerative colitis) and intestinal ultrasound. He can also perform diagnostic and therapeutic gastroscopy and colonoscopy (including advanced imaging techniques such as chromoendoscopy), and video capsule endoscopy. Dr Chen was a gastroenterologist and hepatologist at Ng Teng Fong General Hospital (NTFGH) where he set up the hospital’s services for inflammatory bowel disease and point-of-care intestinal ultrasound. He graduated from the National University of Singapore (NUS) and underwent his specialist training at Tan Tock Seng Hospital. Dr Chen was awarded the Health Manpower Development Plan Award to undergo subspecialty training in inflammatory bowel disease and clinical nutrition at Austin Hospital, Australia. He also trained in Germany to become part of the first group of local gastroenterologists to be proficient in intestinal ultrasound. At NTFGH, he was a member of the hospital’s nutrition support team and was the main gastroenterologist responsible for the care of malnourished patients on parenteral nutrition as well as patients with short bowel syndrome and intestinal failure. Besides his clinical work, he taught medical students from Yong Loo Lin School of Medicine, NUS and Lee Kong Chian School of Medicine. He was also a clinical preceptor to Master of Nursing students from NUS. Dr Chen has authored multiple peer-reviewed publications in medical journals such as the British Medical Journal Open Gastroenterology and the POCUS journal. He is also an invited speaker at local and regional conferences about various topics related to inflammatory bowel disease and intestinal ultrasound.
Conditions treated
Inflammatory Bowel Disease · Intestinal Ultrasound
Dr. Mandeep SinghMRCP (UK)Stomach & digestion · Kuala Lumpur
Gastroenterologist specialising in digestive diseases, liver disorders, and endoscopic procedures.
Conditions treated
Therapeutic Endoscopy · Inflammatory Bowel Disease
Dr. Chong Chern HaoMRCP (UK)15+ years of experience · Stomach & digestion · Singapore
Dr Chong Chern Hao is a Gastroenterologist currently practising at Acorn Gastroenterology in Farrer Park, Napier, Telok Kurau Road, Orchard, and Thomson Specialists (TMC) . With extensive experience in hepatology (liver disease), Dr Chong has managed a wide range of cases and contributed to numerous clinical trials, including those involving viral hepatitis B and C, liver cirrhosis, and liver transplantation. He is also trained in advanced endoscopic techniques such as enhanced imaging endoscopy and water-immersion colonoscopy, a specialised method that improves success rates in challenging procedures and enhances detection of colon cancer. His areas of practice include general gastroenterology , digestive cancer screening, and liver disorders. He has subspecialty interests in fatty liver, viral hepatitis, liver cancer, and other liver-related disorders. Dr Chong also manages gastritis, gastroesophageal reflux disease (GERD), and irritable bowel syndrome (IBS). His procedures include capsule endoscopy , diagnostic and therapeutic upper GI endoscopy, diagnostic and therapeutic colonoscopy, percutaneous endoscopic gastrostomy, and procedural sedation. Dr Chong graduated from the University of Malaya in 2009 as a Dean’s List student and began his medical career in Singapore as a house officer. He then pursued specialist training in Internal Medicine and Gastroenterology under the National University Health System (NUHS) Residency Program, earning his Membership of the Royal Coll
Conditions treated
Hepatology & Liver Disease · Advanced Endoscopy Techniques
Dr. Shim Hang HockMRCP(UK)12+ years of experience · Stomach & digestion · Singapore
Dr Shim Hang Hock is a Gastroenterologist currently practising at Acorn Gastroenterology, with clinics located in Farrer Park, Napier, Telok Kurau Road, and Orchard. In 2016, Dr Shim was awarded the Healthcare Manpower Development Programme scholarship by the Ministry of Health, Singapore to undergo advanced fellowship training in Calgary, Canada. He has also received several service-related awards for his dedicated care and service excellence. His clinical practice covers gastroenterology and general hepatology . He has a subspecialty interest in inflammatory bowel disease, including ulcerative colitis and Crohn’s disease, as well as digestive cancer screening. He also performs capsule endoscopy, small bowel enteroscopy, and therapeutic endoscopy. Dr Shim obtained his Bachelor of Medicine from the University of Southampton, United Kingdom, in 2007. He later completed his postgraduate medical qualifications in internal medicine, namely the Membership of the Royal College of Physicians (MRCP), and a Master of Medicine (MMed), before being subsequently accredited as a specialist in gastroenterology with the Specialist Accreditation Board, Singapore. Prior to private practice, Dr Shim practised clinical gastroenterology and general hepatology at Singapore General Hospital, where he served as the Director of Inflammatory Bowel Disease Centre. He currently continues to be a Visiting Consultant at the same institution. As an educator, he was formerly an Adjunct Assistant Professor
Conditions treated
Inflammatory Bowel Disease · Digestive Cancer Screening
Marianne Anastasia De RozaStomach & digestion · Singapore
Dr Marianne De Roza is a gastroenterologist at Mount Elizabeth Novena Hospital, Singapore. Her subspeciality is in liver disease. She regularly performs endoscopic procedures, including cancer screening gastroscopy and colonoscopy, as well as therapeutic interventions to remove polyps or control bleeding. Dr De Roza was the former head of the hepatology service at Sengkang General Hospital. She is currently a visiting consultant at the hospital. She graduated from the National University of Singapore (NUS) and obtained her master’s degree there. Having a special interest in palliative hepatology and liver cirrhosis, she further pursued a graduate diploma in palliative medicine and was director of the multidisciplinary liver supportive care programme – PEACE, a pilot programme she established for end-stage liver disease. She wrote and implemented hospital protocols and served as a committee member in various workgroups for liver disease. She is a fellow of the Academy of Medicine, Singapore and the Royal College of Physicians, UK. Her research interests include fatty liver, palliation in liver disease, liver cirrhosis and its complications. She has participated in several multi-centre research collaborations with competitive grant support. Besides her clinical work, Dr De Roza was an assistant professor at Duke-NUS Medical School and a clinical lecturer at Yong Loo Lin School of Medicine. She was also the site director, core faculty and clinical competency committee member for the SingHealth gastroenterology senior residency programme. Dr De Roza is a recipient of the You Sparkle! awards, You Shine Award and the Singapore Health Quality Service awards.
Conditions treated
Liver Disease & Cirrhosis · Endoscopic Procedures
Dr. John Cheng Lung SengMRCP (UK)34+ years of experience · Stomach & digestion · Kota Kinabalu
John Cheng Lung Seng is a consultant internal medicine specialist practising at Gleneagles Hospital Kota Kinabalu. Subspecialises in gastroenterology & hepatology. Holds MBChb (Aberdeen), MRCP (UK). FRCP (Edin), AM.
Conditions treated
Gastroenterology · Hepatology
Tan Sri Dato’ Seri Dr. Hj. Mohamed Ismail MericanMRCP (UK)Stomach & digestion · Kuala Lumpur
Gastroenterologist with expertise in digestive diseases, liver health, and therapeutic endoscopy procedures.
Conditions treated
Hepatology · Therapeutic Endoscopy
Juanda Leo HartonoStomach & digestion · Singapore
Dr Juanda Hartono is a gastroenterologist at Mount Elizabeth Hospital, Singapore. His special interests are in inflammatory bowel disease (IBD), general gastroenterology and hepatology and clinical nutrition. Dr Hartono is currently a visiting senior consultant at the National University Hospital (NUH). He graduated from the University of North Sumatera, Indonesia and subsequently underwent his internal medicine training at the Universiti Malaya, Malaysia. He moved to NUH and completed his gastroenterology and hepatology specialist training there. He was granted the Academic Medicine Development Award by NUH for inflammatory bowel disease and colorectal cancer and underwent a 1-year advanced fellowship at The Royal London Hospital, UK, where he was also a Joint Advisory Group on GI Endoscopy, UK-certified endoscopist. During his time at NUH, he served as patient safety officer, clinical director, and IBD lead in the division of gastroenterology and hepatology. Dr Hartono was an assistant professor at the National University of Singapore, having served as core tutor and regular clinical examiner. He was also a core faculty member of postgraduate specialist training programme in gastroenterology and hepatology and was a member of Singapore board specialist examination committee. He was involved as a faculty member in medical conferences as an invited speaker, chairperson and organising committee. He served as a reviewer in international medical journals and has published academic papers in peer-reviewed journals.
Conditions treated
Inflammatory Bowel Disease · Hepatology
Dr. Nagaraj SriramMRCP (UK)20+ years of experience · Stomach & digestion · Kota Kinabalu
Nagaraj Sriram is a consultant internal medicine specialist practising at Gleneagles Hospital Kota Kinabalu. Subspecialises in gastroenterology & hepatology. Holds MBBS (Manipal), MRCP (UK), MRCPE, Advanced fellowship in Endoscopic Ultrasound (EUS) and Therapeutic Endoscopic (Australia).
Conditions treated
Endoscopic Ultrasound (EUS) · Therapeutic Endoscopy
Dr. Reuben Wong18+ years of experience · Stomach & digestion · Singapore
Gastroenterologist specializing in IBS, reflux disorders, gut microbiota, and advanced functional gastrointestinal diagnostics.
Conditions treated
Functional Gastrointestinal Disorders · Motility Testing
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