The medical system also plans to modernize various spaces in the hospital. In total, more than 290,000 square feet will be added and about 65,000 square feet will be modernized.
If approved, the hospital will scale to 210 inpatient beds and be completed by April 2028, Northwestern said in its application. A spokesman for Northwestern did not immediately respond to a request for comment.
The hospital, at 1000 N. Westmoreland Road, opened in 2018 after Northwestern buy it in 2010 and replaced the old facility.
The expansion of Northwestern Lake Forest Hospital comes as the health system grows its footprint across the Chicago area. Northwest is in the process build an outpatient center in Bronzeville. One sign up with reviews suggesting it will cost over $163 million and span 257,000 square feet. Earlier this year, Northwestern also applied for a permit to the board to build a USD 83 million outpatient center in the suburbs of Oak Brook.
Northwestern Medicine operates 11 hospitals and more than 200 emergency and diagnostic sites in the Chicago area. The health system is preparing for a leadership transition, as Howard Chrisman takes on the role of CEO on January 1, replacing longtime leader Dean Harrison.