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Gastroenterology

Parkway Gastroenterology department comprises of a team of experienced gastroenterologists and hepatologists to cater for digestive conditions, focusing on achieving an accurate diagnosis the first time so you will receive the right treatment as soon as possible.

Our specialists are experienced in the areas of:

  • Gastroenterology (esophageal, digestive system)

  • Hepatology (liver, gall bladder, bile ducts and pancreas)

  • Colorectal (large and small intestine)

Conditions we treat include:

  • Gastroesophageal reflux disease (GERD)

  • Irritable bowel syndrome (IBS)

  • Inflammatory bowel diseases (IBD) such as Crohn's disease and ulcerative colitis

  • Peptic ulcer disease

  • Colorectal polyps

  • Pancreatic diseases

  • Hepato-biliary diseases 

Endoscopic procedures (below) are commonly performed with sedation to make diagnosis and treatment for various digestive disorders. 

Gastroenterology diagnostic procedures include:

  • Colonoscopy

  • Flexible sigmoidoscopy

  • Elastography

  • Esophagogastroduodenoscopy (EGD)

  • Balloon dilation of the gastrointestinal system

  • Endoscopic polypectomy

  • Endoscopic mucosal resection (EMR)

Our team of professionals provides a holistic approach working closely with other Specialists such as Nutritionists, etc. 

Along with specific procedures, medications and treatments, a combination of proper attention to diet and lifestyle are recommended to contribute to a speedy recovery.

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Related Doctors & Medical Staff

Dr. Akiko Natalie Tomonari
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Chief of Gastroenterology, Gastroenterologist

Dr. Akiko Natalie Tomonari is a foreign-trained Gastroenterologist with over 15 years clinical experience. She specializes in hepatology, gastroenterology, and endoscopy procedures. She can treat patients with a broad range of hepatic diseases including viral, autoimmune, metabolic hepatitis and has special interest in gastroenterology, hepatology, upper and lower endoscopy screenings and procedures. Dr. Akiko graduated from Chiba University School of Medicine (Japan). She is certified MD in Japan and is board-certified member of the Japanese Society of Internal Medicine and the Japanese Society of Gastroenterology. She is also a member of the Japanese Gastroenterological Endoscopy Society, the Japanese Society of Hepatology, the Japanese Society of Neurogastroenterology and the Japanese Gastroenterological Association. She is also author of many peer-reviewed medical articles, published in international journals.   

Dr. Zhiping Li
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Hepatologist, Gastroenterologist

Dr. Zhiping Li is the CEO of Parkway China and an Associate Professor at Johns Hopkins Medicine. He is an experienced gastroenterologist and hepatologist with over 30 years' international working experience in the United States and China. He specializes in the diagnosis and treatment of liver diseases and pre /post liver transplant care. Dr. Li graduated from Shanghai Jiaotong University School of Medicine (China). He later completed his residency in Internal Medicine at Case Western Reserve University in Cleveland and fellowship in Gastroenterology and Transplant Hepatology at Johns Hopkins Medicine (U.S.). Dr. Li joined Johns Hopkins Medicine as an instructor and rose through the ranks to the Director of Hepatology at Johns Hopkins Hospital (U.S.).  He is an active member of the American Gastroenterological Association, the American Association for the Study of Liver Disease and the European Association for the Study of the Liver.


Dr. Lei Li
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Gastroenterologist/Endoscopist

Dr. Lei Li is an experienced gastroenterologist and endoscopist with over 20 years of clinical experience. He specializes in endoscopic diagnosis of early gastric cancer and early colorectal cancer, and therapeutic surgery in upper and lower endoscopy, including EMR, ESD, ESE, POEM, ERCP, etc. Dr. Li received his Ph.D. in Gastroenterology from Shanghai Jiao Tong University School of Medicine. He later underwent his postdoctoral research training in Department of Surgery, University of Hong Kong (China). Dr. Li served as Vice Professor at the Department of Gastroenterology of Shanghai Ninth People’s Hospital and Shanghai General Hospital (China). He obtained his clinical research fellowship in ERCP Group at Medical Center, Indiana University-Purdue University at Indianapolis (U.S.). Dr. Li had worked as a  visiting scholar in the University of Texas M.D. Anderson Cancer Center (U.S.). He is an active member of Gastroenterological Endoscopy Association in Shanghai Medical Association, Gastroenterological Endoscopy committee in Shanghai Anticancer Association, Committee of Gastroenterology in Shanghai Non-government Medical Institutions Association (China). Dr. Li is certified as one of vice chairmen and a secretary-general by Committee of Gastroenterology in Chinese Non-government Medical Institutions Association (China).