 Clarifying the Parkinson experts visits. I'm Carmen Roberts, Fox News. President Biden's doctor released a statement Monday night to clear up questions about why a Parkinson expert was at the White House eight times in eight months. The president's physician confirms that Dr. Kevin Kennard is the Parkinson expert and that as a neurological specialist, Dr. Kennard conducted each of the president's annual physicals. He also stressed that President Biden's last physical found no signs of Parkinson's.