3 Best Gastroenterologists in Fontana, CA

“Dr. Nehali Patel holds board certifications in internal medicine and gastroenterology. Dr. Patel graduated from Albany Medical College. Dr. Patel finished her internal medicine residency at the University of Florida College of Medicine, Gainesville. She did her gastroenterology fellowship at the University of Arizona College of Medicine, Tucson. She provides treatment for all gastrointestinal disorders for her patients. Dr. Patel is highly professional and dedicated to providing excellent care to every patient. She practices at Ontario Medical Center and is affiliated with Kaiser Permanente Fontana Medical Center. The center is dedicated to delivering the highest quality medical services and leveraging advanced technology in a welcoming and comfortable environment.”

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“Dr. Tommy Tiong-Hien Oei graduated from New York University Grossman School of Medicine in 1997. He has over 25 years of experience in the medical field. Dr. Tommy Tiong-Hien Oei holds board certification and obtained his medical degree from the New York University School of Medicine in New York. He furthered his training by completing a fellowship in Gastroenterology at Los Angeles County/the University of Southern California. Dr. Oei specializes in advanced endoscopy procedures, including Endoscopic Retrograde Cholangiopancreatography (ERCP). His specialized skills to provide comprehensive gastrointestinal (GI) care to his patients. Currently he is practicing at Kaiser Permanente Fontana Medical Center.”

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“Dr. Zhigang Song graduated from Shandong Medical University in 1995. He is board-certified in Gastroenterology. He has a special interest in performing therapeutic endoscopy procedures and treating inflammatory bowel disease, celiac disease, viral hepatitis, and fatty liver disease. Dr. Song uses state-of-the-art equipment and procedures. He aims to work with patients collaboratively to offer the highest quality of care possible. Dr. Song is a highly professional and compassionate doctor who genuinely cares about his patients. He currently practices at Kaiser Permanente Fontana Medical Center.”

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