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All hospitals in Illinois, those hospitals in contiguous states providing 100 or more paid acute inpatient days of care to Illinois Medicaid Program participants, and all hospitals located in states contiguous to Illinois that elect to be reimbursed under the methodology described in 89 Ill. Adm. Code 149 (the Diagnosis Related Grouping (DRG) Prospective Payment System (PPS)), shall be required to file Medicaid and Medicare cost reports within 150 days after the close of that provider's fiscal year.
Medicare hospital cost reports are listed by their Medicare ID, fiscal year (mmyy) format, city, and facility name. The department required electronic filing of these reports beginning with the 2008 cost reports. Requests for Medicare hospital reports not listed on this Web site should be submitted directly to Federal CMS.
or mailing address:
CMS, FOIA Service Center 233 North Michigan Avenue, Suite 600, Chicago, IL 60601