2012-2018: General Practitioner – Thai Nguyen University of Medicine and Pharmacy
2018-2020: Specialist Level I (Project 585) in Internal Medicine – Hanoi Medical University
Gastrointestinal tract diseases, internal hepatobiliary and pancreatic medicine, gastrointestinal - pancreatobiliary endoscopic intervention
Esophagus: Esophagitis, gastroesophageal reflux disease (GERD), achalasia, and other esophageal motility disorders
Stomach: Gastric and duodenal ulcers, functional dyspepsia, H. pylori treatment, and other functional disorders
Colon and small intestine: Inflammatory bowel disease (IBD), colitis, irritable bowel syndrome (IBS), and other functional disorders
Hepatobiliary and Pancreas: Liver abscess, hepatitis B and C, liver cancer, cirrhosis, gallstones, acute and chronic pancreatitis