Specialty:
"Dr. Allen Nielsen earned his medical degree from the University of Colorado School of Medicine. He completed his residency in Neurology at the University of Colorado and his internship at the University of Utah. He has more than 19 years of experience in the field of neurology. Dr. Nielsen is board-certified in Neurology by the American Board of Psychiatry and Neurology. He is affiliated with Kaiser Permanente Fontana Medical Center. Dr. Allen Nielsen adopts a multidisciplinary approach to patient care, emphasizing patient education and disease management. He listens attentively to his patients' concerns and works to accurately diagnose and treat neurological conditions. Dr. Allen Nielsen accepts telehealth appointments and is fluent in English.
2026 Update: Dr. Allen Nielsen has been intimately involved in the care of patients with multiple sclerosis and related research since 2001."








