3 Best Gastroenterologists in Corona, CA

“Dr. Omar Shahbaz received his internal medicine training at the University of Connecticut. He completed a gastroenterology fellowship at Georgetown University. Dr. Omar Shahbaz is board-certified by the American Board of Internal Medicine and the American Board of Gastroenterology/Hepatology. He is particularly interested in treating patients with GI problems. He currently practices at United Gastroenterologists and is affiliated with Riverside Community Hospital. Dr. Omar Shahbaz is a member of the American College of Gastroenterology, American Gastroenterological Association, and the American Society of Gastrointestinal Endoscopy.”

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“Dr. Mohammad Mazen Jamal earned his medical degree from the University of Damascus Medical School. He completed his residency in internal medicine and his gastroenterology fellowship at the University of Damascus Medical School. He also completed a fellowship in interventional gastroenterology at the University of Liverpool School of Medicine in England. In 2001, he attained a master's degree in public health (MPH) from the University of New Mexico's School of Public Health. Dr. Mohammad Mazen Jamal holds dual board certifications in both gastroenterology and internal medicine by the American Board of Internal Medicine. In 2014, he established Oceana Gastroenterology Associates, where he plays a pivotal role in diagnosing, monitoring, and treating an extensive range of digestive disorders, including conditions like stomach pain, ulcers, acid reflux, constipation, and Crohn's disease. Dr. Mohammad Mazen Jamal is also actively engaged in contributing to published research, articles, and other materials featured in industry journals, books, and various publications. You can find Dr. Jamal practicing at Oceana Gastroenterology Associates, situated in Corona, CA.”

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“Dr. Huafeng Shen earned his medical degree from Zhejiang University in China. He completed his internal medicine residency at Nassau University Medical Center. He also completed his fellowship in Gastroenterology/Hepatology at the University of Iowa. Dr. Huafeng Shen has medical interests in treating general gastroenterology and liver conditions. He is board-certified by the American Board of Gastroenterology/Hepatology and the American Board of Internal Medicine. Dr. Huafeng Shen practices in Corona and Eastvale, CA. Dr. Huafeng Shen also has affiliations with Southwest Healthcare Rancho Springs Hospital.”

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