OAK PARK, ILL. — Healthcare Trust of America (HTA) has closed an approximately $37 million first mortgage financing transaction. The 5-year loan was collateralized by Rush Medical Office Building, which is located on the campus of Rush Oak Park Hospital in Oak Park. HTA and the building’s owner also signed an agreement that provides for the possible future acquisition of the building and land by HTA, an ongoing HTA right of first refusal and other opportunities. The property is currently leased by Rush University Medical Center. The lease runs through 2019, subject to extension rights of the lessee.