Illinois / OSF Little Company of Mary Medical Center
CMS certification 140179 · Evergreen Park, IL · 1 entry in CMS's price-transparency list
OSF Little Company of Mary Medical Center: charges and Medicare payments
OSF Little Company of Mary Medical Center reported 1,791 Medicare inpatient stays across 57 DRGs in 2024. Across them it charged 3.74 times what it was paid — mid-range in Illinois, number 66 of 106 hospitals with at least 100 stays (state median 4.06×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 285 stays at an average charge of $65,335, 28% below the national average. It also billed 797 outpatient services, charging 8.03 times what Medicare paid.
- 1Medicare inpatient stays 1,791
- 2Charge ÷ paid, inpatient 3.74×
- 3Rank in IL (highest ratio = 1) 66 of 106
- 4CMS price-transparency actions 1
Inpatient stays
For the 57 DRGs that can be compared with the national average, OSF Little Company of Mary Medical Center charged more than the national average in 0 (0%). Payments follow Medicare's rates, so they usually vary far less than charges.
| DRG | Stays | Avg charge | vs US | Avg paid |
|---|---|---|---|---|
| 871 Septicemia or Severe Sepsis without MV >96 Hours with MCC | 285 | $65,335 | -28% | $16,972 |
| 291 Heart Failure and Shock with MCC | 178 | $37,356 | -34% | $10,738 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 74 | $50,745 | -33% | $13,479 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 64 | $136,096 | -41% | $42,108 |
| 193 Simple Pneumonia and Pleurisy with MCC | 63 | $37,906 | -37% | $11,106 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 54 | $33,897 | -44% | $10,950 |
| 190 Chronic Obstructive Pulmonary Disease with MCC | 51 | $36,561 | -28% | $10,095 |
| 312 Syncope and Collapse | 47 | $27,136 | -40% | $7,402 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 47 | $42,742 | -13% | $11,282 |
| 177 Respiratory Infections and Inflammations with MCC | 43 | $40,371 | -43% | $13,003 |
| 689 Kidney and Urinary Tract Infections with MCC | 38 | $32,835 | -36% | $9,383 |
| 682 Renal Failure with MCC | 36 | $43,412 | -34% | $12,916 |
| 698 Other Kidney and Urinary Tract Diagnoses with MCC | 34 | $41,016 | -44% | $12,500 |
| 683 Renal Failure with CC | 33 | $30,394 | -25% | $7,754 |
| 690 Kidney and Urinary Tract Infections without MCC | 32 | $29,566 | -22% | $7,142 |
| 286 Circulatory Disorders except AMI, with Cardiac... | 30 | $70,172 | -37% | $18,673 |
| 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 29 | $28,909 | -28% | $6,768 |
| 641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 27 | $26,426 | -29% | $6,679 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 25 | $42,464 | -24% | $10,156 |
| 378 Gastrointestinal Hemorrhage with CC | 25 | $36,043 | -26% | $9,219 |
| 638 Diabetes with CC | 25 | $27,066 | -35% | $7,647 |
| 064 Intracranial Hemorrhage or Cerebral Infarction with MCC | 24 | $50,016 | -50% | $15,728 |
| 069 Transient Ischemia without Thrombolytic | 24 | $36,952 | -27% | $6,892 |
| 389 Gastrointestinal Obstruction with CC | 21 | $32,994 | -15% | $6,951 |
| 202 Bronchitis and Asthma with CC/MCC | 20 | $34,287 | -26% | $9,015 |
| 309 Cardiac Arrhythmia and Conduction Disorders with CC | 20 | $33,210 | -8% | $6,506 |
| 637 Diabetes with MCC | 20 | $42,332 | -36% | $13,360 |
| 603 Cellulitis without MCC | 19 | $25,526 | -32% | $7,268 |
| 377 Gastrointestinal Hemorrhage with MCC | 18 | $54,792 | -36% | $18,245 |
| 391 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 18 | $43,508 | -29% | $13,952 |
| 699 Other Kidney and Urinary Tract Diagnoses with CC | 18 | $35,047 | -26% | $8,691 |
| 281 Acute Myocardial Infarction, Discharged Alive with CC | 17 | $36,884 | -27% | $7,853 |
| 314 Other Circulatory System Diagnoses with MCC | 17 | $65,338 | -31% | $16,210 |
| 194 Simple Pneumonia and Pleurisy with CC | 16 | $25,588 | -33% | $7,292 |
| 308 Cardiac Arrhythmia and Conduction Disorders with MCC | 16 | $47,381 | -16% | $11,198 |
| 811 Red Blood Cell Disorders with MCC | 16 | $34,495 | -49% | $11,641 |
| 812 Red Blood Cell Disorders without MCC | 16 | $31,719 | -29% | $7,733 |
| 101 Seizures without MCC | 15 | $31,629 | -35% | $7,643 |
| 189 Pulmonary Edema and Respiratory Failure | 15 | $50,196 | -13% | $10,850 |
| 287 Circulatory Disorders except AMI, with Cardiac... | 15 | $41,871 | -34% | $9,042 |
| 393 Other Digestive System Diagnoses with MCC | 15 | $46,273 | -40% | $13,427 |
| 313 Chest Pain | 14 | $30,466 | -24% | $6,256 |
| 870 Septicemia or Severe Sepsis with MV >96 Hours | 14 | $204,235 | -37% | $47,390 |
| 394 Other Digestive System Diagnoses with CC | 13 | $28,974 | -38% | $7,998 |
| 552 Medical Back Problems without MCC | 13 | $43,403 | -11% | $7,443 |
| 175 Pulmonary Embolism with MCC or Acute Cor Pulmonale | 12 | $59,072 | -9% | $16,059 |
| 208 Respiratory System Diagnosis with Ventilator Support <=96... | 12 | $122,366 | -10% | $20,915 |
| 252 Other Vascular Procedures with MCC | 12 | $130,436 | -24% | $26,152 |
| 321 Percutaneous Cardiovascular Procedures with Intraluminal... | 12 | $162,827 | -1% | $24,424 |
| 884 Organic Disturbances and Intellectual Disability | 12 | $32,654 | -48% | $13,389 |
| 100 Seizures with MCC | 11 | $43,698 | -54% | $14,916 |
| 299 Peripheral Vascular Disorders with MCC | 11 | $39,075 | -48% | $11,856 |
| 300 Peripheral Vascular Disorders with CC | 11 | $44,604 | -10% | $8,852 |
| 418 Laparoscopic Cholecystectomy without C.D.E. with CC | 11 | $82,894 | -11% | $13,495 |
| 445 Disorders of The Biliary Tract with CC | 11 | $38,023 | -35% | $9,137 |
| 480 Hip and Femur Procedures except Major Joint with MCC | 11 | $116,163 | -16% | $20,367 |
| 981 Extensive O.R. Procedures Unrelated To Principal Diagnosis... | 11 | $116,871 | -46% | $54,299 |
Outpatient services
Against the Illinois average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), OSF Little Company of Mary Medical Center charged $65,335 on average, 12% less than the Illinois average of $73,987, and was paid $16,972 against a state average of $17,651. For Heart Failure and Shock with MCC (DRG 291), OSF Little Company of Mary Medical Center charged $37,356 on average, 19% less than the Illinois average of $46,293, and was paid $10,738 against a state average of $11,813. For Acute Myocardial Infarction, Discharged Alive with MCC (DRG 280), OSF Little Company of Mary Medical Center charged $50,745 on average, 21% less than the Illinois average of $64,281, and was paid $13,479 against a state average of $14,664. For Infectious and Parasitic Diseases with O.R. Procedures with MCC (DRG 853), OSF Little Company of Mary Medical Center charged $136,096 on average, 26% less than the Illinois average of $183,276, and was paid $42,108 against a state average of $45,582. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $17,847 was 17% below the state average of $21,498. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $7,880 was 33% below the state average of $11,818. For Level 4 Urology and Related Services (outpatient APC 5374), its average charge of $25,877 was 9% above the state average of $23,744. For Level 1 Endovascular Procedures (outpatient APC 5191), its average charge of $13,351 was 47% below the state average of $25,004.
Price-transparency record
CMS's enforcement list records these actions for a hospital named OSF Little Company of Mary Medical Center in Evergreen Park, IL, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2026-01-27 (CMS case 6886)
A warning notice or corrective-action request is not a finding of wrongdoing; "Met Requirements" and closure notices record that CMS's review ended. Matched to this hospital by exact name, city and state.
Charges are the hospital's list prices averaged over its 2024 Medicare cases; payments are what those cases actually brought in. Neither is what you will pay. For a planned procedure, ask the hospital for its price estimate or, if you are uninsured or self-paying, a good-faith estimate.
Sources: CMS Medicare Inpatient Hospitals — by Provider and Service / by Geography and Service, data year 2024; CMS Medicare Outpatient Hospitals — by Provider and Service / by Geography and Service, data year 2024; CMS Hospital Price Transparency Enforcement Activities and Outcomes, July 2026. Checked 2026-10-24. Methodology.