The Times opinion section said the piece was written by a senior official in the administration and that it was taking the rare step of publishing an anonymous article because disclosing the author's identity would jeopardise the person's job. "We are trying to do what's right even when Donald Trump won't", the writer continues.
The nearly 1,000-word opinion piece released Wednesday afternoon described "many senior officials' at high levels of the administration working to "frustrate parts of [President Trump's] agenda and his worst inclinations".
Vice President Mike Pence's office also denied on Thursday that he is the senior administration official behind the opinion essay.More news: Actor Burt Reynolds has died at age 82
Other Republicans cast the author of the op-ed as a renegade whose anonymous status undercut any credibility.
"That's not a common word, "lodestar".
"We are disappointed, but not surprised, that the paper chose to publish this pathetic, reckless, and selfish op-ed", Sanders said.
"It's not mine", Pompeo said during a trip to New Delhi. "Our office is above such amateur acts", Mr Pence's spokesman Jarrod Agen said on Twitter.
Coats later issued his own denial; and with three prominent administration members delivering on-the-record denials, the focus could now fall on other senior aides to do the same, with questions raised about those who stay silent.More news: Elon Musk Is Now Calling a Cave Rescuer a 'Child Rapist'
The book claims that after Syrian President Bashar al-Assad ordered chemical weapons to be used against civilians in April of a year ago, Trump called Mattis and said he wanted to assassinate Assad.
The assertions in the column were largely in line with complaints about Trump's behaviour that have repeatedly been raised by various administration officials, often speaking on the condition of anonymity.
The official wrote: "Given the instability many witnessed, there were early whispers within the Cabinet of invoking the 25th Amendment", but decided against it to avoid a constitutional crisis.
Following reports on excerpts of famed reporter Bob Woodward's new White House exposé, President Donald Trump is pointing his vexation at White House counselor Kellyanne Conway and former National Economic Council Director Gary Cohn, Vanity Fair reported.
"I don't really know what's going on in the White House. but it seems to me from outside it's open-ended down there, that there's no confidentiality and not a lot of loyalty down there with a lot of people", he said.More news: Harry Maguire Reveals England Players Are Confused By Nations League
"When you tell me about some anonymous source within the administration, probably who is failing and probably here for all the wrong reasons - and the New York Times is failing - if I weren't here, I believe the New York Times probably wouldn't even exist", Trump said in a public meeting with U.S. sheriffs Wednesday.