Madison, WI 53715 · CMS Certification Number 520083. What Medicare pays this hospital for knee, hip and shoulder replacement, what it lists, how it compares, and what a surgery center nearby is paid.
| Operation | Inpatient paid | List price | List ÷ paid | Outpatient allowed |
|---|---|---|---|---|
| Hip or knee replacement | $14,316 | $59,690 | 4.2× | $12,129 |
| Shoulder replacement | $19,050 | $105,581 | 5.5× | $17,359 |
| Hip replacement after a fracture (DRG 522) | $15,859 | $67,821 | 4.3× | — |
Complications after hip or knee replacement: 4.4% (no different from the national rate). Readmissions: 6.2%. Overall Care Compare rating: 4 of 5 stars. Nonprofit · Acute · 440 beds
Wisconsin has a certificate-of-need program that does not cover surgery centers.
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In 2024 Medicare paid Ssm Health St Mary's Hospital - Madison an average of $14,316 per inpatient hip or knee replacement stay (MS-DRG 470, 29 stays) and $12,129 per outpatient case (APC 5115, 305 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $59,690, 4.2× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. Ssm Health Surgery Center, an orthopedic surgery center same ZIP away, is paid about $8,977 by Medicare for a knee replacement (CPT 27447), $5,339 less than an inpatient stay at Ssm Health St Mary's Hospital - Madison. Not every patient is a surgery-center candidate.
Medicare paid Ssm Health St Mary's Hospital - Madison less than 50% of the 20 Wisconsin hospitals that report inpatient hip or knee replacement.