Dr. Efren V Nierva specializes in emergency medicine in Chula Vista area. Dr. Efren V Nierva has a medical practice at 525 3rd Avenue, Chula Vista CA, and has over 24 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1993. Dr. Nierva is accepting new patients at his medical office and practice location in Chula Vista, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.