Dr. Kevin O'Connor, former President Joe Biden's physician, pleaded the Fifth during a brief appearance before the House ...

The group argues the former president’s doctor erred by either failing to administer a cancer test while Biden was in office ...

Dr. O’Connor invoked his Fifth Amendment rights and did not answer questions during a closed-door deposition with the House ...

Joe Biden’s former doctor refused to answer a single question Wednesday about the ex-president’s health and cognitive decline ...