Dr. Sergio O Neira specializes in internal medicine in Oxnard area. Dr. Sergio O Neira has a medical practice at 1901 Outlet Center Drive, Oxnard CA, and has over 44 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1973. Dr. Neira is accepting new patients at his medical office and practice location in Oxnard, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.