 neurologist. Has the president been treated for Parkinson's? No. Is he being treated for Parkinson's? No, he's not. Is he taking medication for Parkinson's? No. The expert Dr. Kevin Cannard is a neurologist who specializes in movement disorders. His LinkedIn page describes him as supporting the White House Medical Unit for more than 12 years. But reporters were repeatedly asking Karine Jean-Pierre who this doctor was at the White House to see and she said for privacy reasons she can't disclose that information.