Dr. Oei graduated from the New York University School of Medicine in 1997. He works in Fontana, CA and 1 other location and specializes in Gastroenterology. Dr. Oei is affiliated with Kaiser Permanente Fontana Medical Center.
Medical School: New York University School of Medicine; Graduated 1997
Please verify insurance information directly with your doctor's office as it may change frequently.
*This physician has multiple office locations. See Office Information for details.