The Democrat socialist has not responded to explain why she did not offer worker's compensation between March and April of previous year.
Members of Congress tell Politico on and off the record that Ocasio-Cortez will have an ineffective legislative career if she continues to criticize party leadership.
The fine is awkward for Ocasio-Cortez, who took the seat of top Democratic Rep. Joe Crowley with a campaign theme of improving conditions for the working class during the November midterm elections.
"I'm sure Ms. Cortez means well, but there's nearly an outstanding rule: Don't attack your own people", Representative Emmanuel Cleaver (D., Mo.) told Politico.
Through her staff, Ocasio-Cortez declined to comment to Politico.
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Treatment can involve high doses of steroids, but sometimes the condition goes away without any treatment whatsoever, she added. The good news is that when RSHL is detected quickly, chances are good that the hearing loss can be reversed, Kraskin said.
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"She needs to decide: Does she want to be an effective legislator or just continue being a Twitter star?" a House Democrat anonymously said.
Some lawmakers are trying to convince Ocasio-Cortez to use her influence to unite Democrats, while others have warned her that she's headed for a lonely tenure in Congress if she treats her more moderate colleagues as enemies, the report said. "We just don't need sniping in our Democratic Caucus".
Lieberman may have served almost 25 years in the Senate - first as a Democrat, and later as an Independent - but he's certainly been lost to history at this point, and the political world is passing him by.
"She's new here, feeling her way around", said Representative Kurt Schrader (D., Ore.). Never one to shy away from conversations about her politics, Ocasio-Cortez responded to a tweet of the Politico report with a choice tweet of her own...a Watchmen quote.
Last year, Ocasio-Cortez was also mocked after lamenting the shuttering of a coffee shop in NY, even though it closed its doors thanks to the wage hike in the state - a policy that she supports.
"People are going to have to start paying their fair share of taxes", she said.