Illinois / West Suburban Medical Center
CMS certification 140049 · Oak Park, IL · 3 entries in CMS's price-transparency list
West Suburban Medical Center: charges and Medicare payments
West Suburban Medical Center reported 331 Medicare inpatient stays across 16 DRGs in 2024. Across them it charged 4.49 times what it was paid — mid-range in Illinois, number 37 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: 88 stays at an average charge of $87,244, 3% below the national average. It also billed 348 outpatient services, charging 10.28 times what Medicare paid.
- 1Medicare inpatient stays 331
- 2Charge ÷ paid, inpatient 4.49×
- 3Rank in IL (highest ratio = 1) 37 of 106
- 4CMS price-transparency actions 3
Inpatient stays
For the 16 DRGs that can be compared with the national average, West Suburban Medical Center charged more than the national average in 6 (38%). 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 | 88 | $87,244 | -3% | $19,053 |
| 291 Heart Failure and Shock with MCC | 43 | $52,540 | -7% | $12,793 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 19 | $65,679 | -13% | $15,937 |
| 193 Simple Pneumonia and Pleurisy with MCC | 18 | $48,038 | -20% | $13,311 |
| 177 Respiratory Infections and Inflammations with MCC | 17 | $75,057 | +6% | $16,631 |
| 312 Syncope and Collapse | 16 | $35,730 | -22% | $8,682 |
| 683 Renal Failure with CC | 16 | $48,636 | +19% | $9,393 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 15 | $228,516 | 0% | $43,353 |
| 189 Pulmonary Edema and Respiratory Failure | 14 | $48,458 | -16% | $12,155 |
| 690 Kidney and Urinary Tract Infections without MCC | 14 | $38,329 | +1% | $8,974 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 12 | $58,459 | +5% | $10,685 |
| 377 Gastrointestinal Hemorrhage with MCC | 12 | $72,116 | -16% | $16,934 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 12 | $44,372 | -26% | $13,666 |
| 682 Renal Failure with MCC | 12 | $76,427 | +16% | $15,530 |
| 698 Other Kidney and Urinary Tract Diagnoses with MCC | 12 | $75,356 | +3% | $16,783 |
| 101 Seizures without MCC | 11 | $40,071 | -18% | $9,348 |
Outpatient services
| Service (APC) | Services | Avg charge | Medicare allowed |
|---|---|---|---|
| Level 1 Intraocular Procedures | 173 | $16,802 | $2,170 |
| Comprehensive Observation Services | 93 | $23,529 | $2,548 |
| Level 1 Nerve Procedures | 35 | $10,303 | $1,798 |
| Level 2 Excision/ Biopsy/ Incision and Drainage | 19 | $8,831 | $1,509 |
| Level 1 Endovascular Procedures | 16 | $29,579 | $3,039 |
| Level 3 Musculoskeletal Procedures | 12 | $26,223 | $3,013 |
Against the Illinois average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), West Suburban Medical Center charged $87,244 on average, 18% more than the Illinois average of $73,987, and was paid $19,053 against a state average of $17,651. For Heart Failure and Shock with MCC (DRG 291), West Suburban Medical Center charged $52,540 on average, 13% more than the Illinois average of $46,293, and was paid $12,793 against a state average of $11,813. For Acute Myocardial Infarction, Discharged Alive with MCC (DRG 280), West Suburban Medical Center charged $65,679 on average, 2% more than the Illinois average of $64,281, and was paid $15,937 against a state average of $14,664. For Simple Pneumonia and Pleurisy with MCC (DRG 193), West Suburban Medical Center charged $48,038 on average, 2% less than the Illinois average of $49,081, and was paid $13,311 against a state average of $11,857. For Level 1 Intraocular Procedures (outpatient APC 5491), its average charge of $16,802 was 13% above the state average of $14,917. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $23,529 was 9% above the state average of $21,498. For Level 1 Nerve Procedures (outpatient APC 5431), its average charge of $10,303 was 20% below the state average of $12,903. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $8,831 was 25% below the state average of $11,818.
Price-transparency record
CMS's enforcement list records these actions for a hospital named West Suburban Medical Center in Oak Park, IL, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Warning Notice — 2024-12-03 (CMS case 2968)
- CAP Request — 2025-03-13 (CMS case 2968)
- Closure Notice — 2025-04-14 (CMS case 2968)
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.