Ashley Holt PA CAshley B. Holt is a nationally certified Physician Assistant specializing in neurology.  She completed her Bachelor of Science in biology from American University in Washington, DC, and then earned her Master of Medical Science at Arcadia University in Glenside, PA. Mrs. Holt is certified by the National Commission for Certification of Physician Assistants and is a member of the American Academy of Neurology. She has a special interest in migraine management, including nerve blocks and Botox for chronic migraine.