The House Oversight Committee is investigating allegations that former President Joe Biden's senior aides covered up his mental and physical decline, including his physician.

Former President Joe Biden's White House physician declined to answer questions before a House Committee as the GOP-led panel ramped up its investigation into Biden's age and health.

Biden White House Physician Kevin O’Connor arrived for a closed-door deposition Wednesday. The House Oversight Committee wants answers from Biden’s former doctor. He did not answer a battery of questions from Fox News about doctor-patient confidentiality or the former president’s mental state as he walked into the meeting.

Joe Biden's physician refused to answer questions during a closed-door deposition in House Republicans' probe of his mental acuity as president.

Joe Biden’s White House doctor’s uncooperativeness in a House probe looking into the former president’s fitness to serve has led the Republican congressman overseeing the investigation to allege a “coverup” of Biden’s “cognitive decline.”

Jill Biden’s “work husband” Anthony Bernal became the second former White House aide to take the Fifth Amendment when hauled before a congressional committee.