210 ILCS 5/9
The Department shall make or cause to be made inspections and investigations it deems necessary. Information received by the Department through filed reports, inspection, or as otherwise authorized under this Act shall not be disclosed publicly in a manner to identify individual patients, except to another State agency for purposes of investigation of professional or business practices in a licensed ambulatory surgical treatment center. The other State agency shall not disclose the individual patient information publicly.
Every facility licensed under this Act and any premises proposed to be conducted as a facility by an applicant for a license shall be open at all reasonable times to an inspection authorized in writing by the Director. No notice need be given to any person before any inspection.
210 ILCS 5/9