Wisconsin / Aurora Medical Center Bay Area
CMS certification 520113 · Marinette, WI · 1 entry in CMS's price-transparency list
Aurora Medical Center Bay Area: charges and Medicare payments
Aurora Medical Center Bay Area reported 372 Medicare inpatient stays across 11 DRGs in 2024. Across them it charged 3.46 times what it was paid — mid-range in Wisconsin, number 29 of 55 hospitals with at least 100 stays (state median 3.47×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 127 stays at an average charge of $48,852, 46% below the national average. It also billed 689 outpatient services, charging 7.46 times what Medicare paid.
- 1Medicare inpatient stays 372
- 2Charge ÷ paid, inpatient 3.46×
- 3Rank in WI (highest ratio = 1) 29 of 55
- 4CMS price-transparency actions 1
Inpatient stays
For the 11 DRGs that can be compared with the national average, Aurora Medical Center Bay Area 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 | 127 | $48,852 | -46% | $15,524 |
| 291 Heart Failure and Shock with MCC | 72 | $34,121 | -39% | $10,100 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 32 | $28,841 | -41% | $8,152 |
| 193 Simple Pneumonia and Pleurisy with MCC | 25 | $48,320 | -19% | $10,308 |
| 177 Respiratory Infections and Inflammations with MCC | 22 | $51,443 | -27% | $13,397 |
| 683 Renal Failure with CC | 19 | $28,813 | -29% | $7,020 |
| 189 Pulmonary Edema and Respiratory Failure | 17 | $37,453 | -35% | $9,493 |
| 308 Cardiac Arrhythmia and Conduction Disorders with MCC | 17 | $31,284 | -45% | $9,513 |
| 190 Chronic Obstructive Pulmonary Disease with MCC | 15 | $37,514 | -26% | $8,998 |
| 312 Syncope and Collapse | 13 | $28,180 | -38% | $6,876 |
| 689 Kidney and Urinary Tract Infections with MCC | 13 | $27,376 | -47% | $9,398 |
Outpatient services
| Service (APC) | Services | Avg charge | Medicare allowed |
|---|---|---|---|
| Comprehensive Observation Services | 249 | $20,189 | $2,570 |
| Level 1 Intraocular Procedures | 157 | $11,243 | $2,210 |
| Level 2 Excision/ Biopsy/ Incision and Drainage | 39 | $10,781 | $1,501 |
| Level 5 Musculoskeletal Procedures | 36 | $55,163 | $12,346 |
| Level 2 Upper GI Procedures | 36 | $7,891 | $1,791 |
| Level 1 Nerve Procedures | 35 | $9,361 | $1,859 |
| Level 4 Musculoskeletal Procedures | 25 | $36,052 | $6,668 |
| Level 3 Vascular Procedures | 25 | $20,275 | $3,069 |
| Level 2 Musculoskeletal Procedures | 18 | $12,305 | $1,547 |
| Level 3 Musculoskeletal Procedures | 17 | $19,252 | $2,970 |
| Level 1 Laparoscopy and Related Services | 16 | $33,054 | $5,555 |
| Level 1 Abdominal/Peritoneal/Biliary and Related Procedures | 13 | $20,646 | $3,331 |
| Level 3 Excision/ Biopsy/ Incision and Drainage | 12 | $12,887 | $2,736 |
| Level 2 Vascular Procedures | 11 | $8,326 | $1,542 |
Against the Wisconsin average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Aurora Medical Center Bay Area charged $48,852 on average, 18% less than the Wisconsin average of $59,481, and was paid $15,524 against a state average of $16,719. For Heart Failure and Shock with MCC (DRG 291), Aurora Medical Center Bay Area charged $34,121 on average, 14% less than the Wisconsin average of $39,564, and was paid $10,100 against a state average of $10,862. For Septicemia or Severe Sepsis without MV >96 Hours without MCC (DRG 872), Aurora Medical Center Bay Area charged $28,841 on average, 16% less than the Wisconsin average of $34,158, and was paid $8,152 against a state average of $8,925. For Simple Pneumonia and Pleurisy with MCC (DRG 193), Aurora Medical Center Bay Area charged $48,320 on average, 21% more than the Wisconsin average of $40,070, and was paid $10,308 against a state average of $11,231. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $20,189 was 14% above the state average of $17,717. For Level 1 Intraocular Procedures (outpatient APC 5491), its average charge of $11,243 was 2% below the state average of $11,485. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $10,781 was 21% above the state average of $8,908. For Level 5 Musculoskeletal Procedures (outpatient APC 5115), its average charge of $55,163 was 10% above the state average of $50,282.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Aurora Medical Center Bay Area in Marinette, WI, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2025-06-23 (CMS case 5309)
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.