112 doctors in the Medifly network
Datin Dr Sharmila SachithanandanMRCP (IRE)Stomach & digestion · Subang Jaya
Consultant Gastroenterologist with expertise in advanced endoscopy and liver diseases
Conditions treated
Advanced Endoscopic Procedures · Hepatobiliary Disorders
Dr. Chuah Sai Wei
蔡赛薇医生MRCP (UK)20+ years of experience · Stomach & digestion · Singapore
Consultant Gastroenterologist & Hepatologist specializing in inflammatory bowel disease, with expertise in endoscopy and advanced IBD care.
Conditions treated
Inflammatory Bowel Disease · Advanced Endoscopy
Dr. Chong Chern HaoStomach & digestion · Singapore
Gastroenterologist specializing in liver diseases including fatty liver, hepatitis B/C, liver cancer, and digestive cancer screening.
Conditions treated
Fatty Liver Disease · Viral Hepatitis
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. Marianne Anastasia De Roza10+ years of experience · Stomach & digestion · Singapore
Gastroenterologist specializing in liver disease, digestive cancer screening, and palliative hepatology with extensive endoscopy experience.
Conditions treated
Advanced Liver Disease · Palliative Hepatology
Amitabh MongaStomach & digestion · Singapore
Dr Amitabh Monga is a gastroenterologist practising at Gleneagles Hospital, Singapore. He is experienced in both general gastroenterological and hepatological conditions. His subspecialty interest is in therapeutic endoscopy such as endoscopic retrograde cholangiopancreatography (ERCP), oesophageal, duodenal, and colonic stenting, double balloon enteroscopy, percutaneous endoscopic gastrostomy, and video capsule endoscopy. Dr Monga had previously spent 11 years in Tan Tock Seng Hospital (TTSH). He is currently a visiting consultant at TTSH and Khoo Teck Puat Hospital, Singapore. He received his MBBS from the University of Delhi, India in 1995 and completed his post-graduation in internal medicine in 1999. He attained his Membership of the Royal Colleges of Physicians of the United Kingdom in 2005 and pursued his specialist training in gastroenterology at TTSH. Dr Monga was accredited as a specialist in gastroenterology in 2009 and received his Fellowship of the Royal College of Physicians of Edinburgh in 2013. He was awarded the Health Manpower Development Plan scholarship by the Ministry of Health, Singapore in 2010 and completed a fellowship in advanced therapeutic endoscopy and ERCP at the Asian Institute of Gastroenterology (AIG), India. He was an invited faculty at GIHep Singapore 2013 to 2018, and also at Singapore Hands-on Live Endoscopy Course (SHOLEC) in 2014 and 2015. Dr Monga was awarded the Yong Loo Lin Medical School Dean’s award for teaching excellence for 2008 and 2009. He played an active role in teaching medical students and was a core faculty in the postgraduate residency programme in gastroenterology.
Conditions treated
Therapeutic Endoscopy · ERCP Procedures
Dr. Yim Heng BoonMRCPStomach & digestion · Singapore
Dr. Yim Heng Boon is a senior consultant gastroenterologist with more than 15 years of clinical experience in gastroenterology and advanced interventional endoscopy. After graduating from the National University of Singapore in 1990, he completed postgraduate training in Internal Medicine before pursuing advanced endoscopic training through the Health Manpower Development Programme (HMDP). His subspecialty expertise includes advanced therapeutic endoscopy and minimally invasive endoscopic procedures for gastrointestinal diseases. He received advanced endoscopy training at Brigham and Women's Hospital, Harvard Medical School, USA, followed by specialized training in endoscopic surgery for early gastric cancer at the National Cancer Center, Tokyo, Japan. Prior to joining private practice, Dr. Yim served as Senior Consultant and Deputy Head of the Department of Gastroenterology and Hepatology at Tan Tock Seng Hospital, where he also led the Endoscopy Centre. In addition to his clinical work, Dr. Yim is deeply involved in medical education and research. He serves as Adjunct Assistant Professor at the National University of Singapore and has held visiting academic appointments in Indonesia and Vietnam. He is also Editor of the international journal Endoscopic Ultrasound and a reviewer for several leading gastroenterology journals, with numerous peer-reviewed publications in advanced endoscopy.
Conditions treated
Advanced Therapeutic Endoscopy · Early Gastric Cancer
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
Dr Loong Yik YeeMRCP (UK)Stomach & digestion · Petaling Jaya
Consultant Gastroenterologist specialising in liver disease and advanced endoscopic procedures including capsule and double balloon enteroscopy.
Conditions treated
Advanced Endoscopy · Liver Disease
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 Doreen Koay Siew ChingStomach & digestion · Penang
Gastroenterologist specialising in advanced endoscopy, liver disorders, digestive diseases, and internal medicine care.
Conditions treated
Advanced Endoscopic Procedures · Liver Disease Management
Dr. Chua Tju SiangStomach & digestion · Singapore
Gastroenterologist specializing in advanced interventional endoscopy, ERCP, and endoscopic ultrasound with international speaking and academic roles.
Conditions treated
ERCP Procedures · Endoscopic Ultrasound
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