Dr. Jian Zhang, MD

Dr. Jian Zhang is a gastroenterologist and internal medicine physician with 26 years of experience treating digestive health conditions. She earned her medical degree from the University of California Irvine College of Medicine and has built extensive expertise in liver diseases and gastrointestinal disorders. Dr. Zhang is fluent in both English and Spanish, allowing her to serve diverse patient communities throughout Southern California.

Dr. Zhang practices at Kaiser Permanente Baldwin Park Medical Center, with locations in Irwindale and Baldwin Park, California. She specializes in treating serious liver conditions including cirrhosis, hepatitis B, and fulminant hepatitis. Her procedural expertise includes upper and lower gastrointestinal endoscopy, which allows her to diagnose and treat digestive tract problems, as well as laparoscopic procedures for minimally invasive surgical interventions.