Rhanni Herzfeld MDDr. Rhanni Herzfeld is a general neurologist and especially loves to help patients with headaches, dizziness, seizures, MS, cognitive disorders, and sensory and gait problems. She was born, raised and educated in New York City and lives in Washington, D.C. with her husband and seven kids. Dr. Herzfeld has been cited as a top neurologist many times in Washingtonian Magazine and Washington Checkbook.