Vice President Pence’s physician reportedly raised concerns within the White House last fall over Adm. Ronny Jackson’s behavior, months before he was nominated and ultimately withdrew as President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's pick for Veterans Affairs (VA) secretary.

CNN reported Monday that Pence’s doctor wrote three memos detailing instances last year in which Jackson is said to have acted unprofessionally.

In one case, Pence’s doctor wrote that Jackson inappropriately intervened in a medical situation involving second lady Karen Pence Karen Sue PenceThe Hill's 12:30 Report - Presented by Facebook - Biden, Pence elbow bump at NYC Sept. 11 ceremony The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill Pentagon, Trump, Biden to mark 9/11 anniversary MORE, and may have violated her privacy rights.

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The White House downplayed the incident to CNN as a dispute between two doctors.

The vice president’s doctor reportedly wrote a separate memo about an instance in which the physician felt an angry Jackson had treated the doctor unprofessionally, making the doctor uncomfortable.

Alyssa Farah, press secretary for the vice president, told CNN that Pence's physician brought the issue to the vice president's chief of staff, who "appropriately referred the matter to the proper channels."

CNN reported that additional memos indicate chief of staff John Kelly John Francis KellyMORE was made aware of the incidents.

Jackson withdrew his nomination last week as VA secretary amid allegations he drank on the job, overprescribed medication and fostered a hostile work environment.

Jackson and the White House have denied those allegations.

Multiple reports on Sunday indicated Jackson will no longer serve as Trump's physician, though the White House on Monday pushed back on such reports.

White House spokesman Raj Shah said in a statement that Jackson is “currently on active duty” and is still “assigned to the White House.”