Alexa Ray Joel Is Hospitalized

12/05/2009 at 05:55 PM EST

Alexa Ray Joel, the 23-year-old singer and daughter of Billy Joel and Christie Brinkley, was hospitalized Saturday in New York City.

"She is stable and her doctors are assessing her needs," a rep for Alexa Ray and her father, Billy Joel, confirmed to PEOPLE.

The singer was rushed to St. Vincent's Hospital after a caller placed a call to 911 Saturday afternoon, according to the New York Post.

The singer is scheduled to perform twice on December 10 in New York City, according to her Twitter page.

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