NYU Langone Medical Center partially reopens after Sandy

Hospital workers evacuate patient Deborah Dadlani from NYU Langone Medical Center during Hurricane Sandy the evening of October 29, 2012 in New York City. / Photo by Michael Heiman/Getty Images

NEW YORK NYU Langone Medical Center has partially opened the hospital announced Thursday. The New York City hospital that resides near the East River evacuated hundreds of patients after losing power during superstorm Sandy.

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Sandy aftermath: NYU hospital evacuates hundreds of patients

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NYC hospitals evacuated for superstorm

Hospital officials say about 55 surgeries were being performed Thursday. The Manhattan hospital also has brought back a number of other services, including medical and surgical intensive care.

The emergency room remains shuttered after taking a severe hit when water surged out of the East River and flooded the facility. A temporary urgent care center should be running in a few weeks. The maternity unit, pediatrics and other services are due reopen Jan. 14.

Some 320 patients had to be moved after NYU Langone lost generator power in the storm.

CBS News medical correspondent Dr. Jon LaPook reported that the hospital's two medical generators -- one which was located on the roof and the other on a lower level -- had failed by 11 p.m. The lower level generator had flooded, and a pump fueling the roof generator.

The hospital suffered about $1 billion in damage.

Some outpatient facilities have been open since early November.

• What caused generators to fail at NYC hospitals?
• NYC hospital successfully evacuates 300 patients after Superstorm Sandy
• Inside NYC hospital's near disaster during Sandy

Other hospitals that lost power during the storm include New York Downtown Hospital, Manhattan VA Medical Center, Coney Island Hospital and Bellevue Hospital.