State Assembly President Carl Heastie made the decision after meeting with the Assembly Majority Conference, a meeting he announced on Thursday.
The committee led by Democratic MP Charles Lavine is authorized to subpoena documents, interview witnesses and evaluate evidence, the statement said.
“The accusation reports against the governor are serious,” said Heastie.
Heastie said he had “absolute faith” that Lavine and the committee will conduct an “expeditious” investigation.
CNN contacted the offices of Cuomo, Lavine and Lieutenant Governor Kathy Hochul for comment.
In a statement, New York Attorney General Letitia James said the Assembly’s action “will have no influence” on its investigation.
Calls on Cuomo to resign
On Thursday, more than 50 Democratic lawmakers asked Cuomo to step down, arguing that he “has lost public confidence” and is “ineffective at this time of most urgent need”.
“In light of the governor’s admission of inappropriate behavior and the findings of altered data on deaths in the COVID-19 nursing home, he has lost the confidence of the public and the state legislature, making him ineffective in this most urgent time of need,” said the group of 59 Democrats serving in the Senate and New York State Assembly wrote in a letter released Thursday.
The letter represents the biggest demonstration of public pressure that the Democratic governor of New York has ever faced from his own party to resign. Jay Jacobs, the Democratic president of New York State, called for the allegations to be investigated by the legislature. He acknowledged calls by some Democrats for Cuomo to step down, but he refused to do so himself, saying he would call a meeting of county presidents to hear his views.
“In the meantime, the governor needs to put the people of New York first. We have a vice governor who can intervene and lead for the rest of the term, and that is what is best for New Yorkers at this critical time.” they argue.
“It is time for Governor Cuomo to resign,” they add.
Cuomo said on Sunday that he would not resign and repeatedly denied having touched someone inappropriately.
They add to the top Democrat in the state Senate, Senate Majority Leader Andrea Stewart-Cousins, who on Sunday had said “for the good of the state Governor Cuomo must step down.”
New York Mayor Bill de Blasio also said on Thursday that Cuomo “simply can no longer serve as governor”. Democrats serving at the national level have been much quieter in their responses, with White House press secretary Jen Psaki this week saying “all women must be heard” but refusing to condemn Cuomo for the allegations and referring to him to the ongoing investigation.
Heastie on Sunday called the charges against Cuomo “deeply disturbing” in a tweet, adding, “I think it is time for the governor to seriously consider whether he can effectively meet the needs of the people of New York.”
Multiple controversies
Until the end of January, long-term care residents who died from Covid-19 were classified in this way only if they died within an institution. Those who died after being transferred to or from the hospital were not included in this specific figure. The total number of Covid deaths in New York has remained the same, but the practice has led to a dramatic misrepresentation of the actual number of victims in New York’s long-term care facilities.
Cuomo and his government defended his decision, arguing that, with the Department of Justice and New York state lawmakers asking questions, the federal inquiry has become his priority. The governor denied any suggestion of wrongdoing.
Amid criticism of how to deal with deaths in nursing homes, Cuomo also faces charges by several women of sexual harassment or inappropriate behavior.
CNN’s Gregory Krieg and Kristina Sgueglia contributed to this report.