Dr. Efren Obsuna specializes in physician assistant in Santa Clara area. Dr. Efren Obsuna has a medical practice at 710 Lawrence Expressway, Santa Clara CA, and has over 27 years of experience in the field of medicine. He graduated from Stanford University School Of Medicine with his medical degree in 1990. Dr. Obsuna is accepting new patients at his medical office and practice location in Santa Clara, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.