Price AtlasInteractive atlas · All states · techysurgeon.comMercy Hospital St Louis: what a joint replacement costs
Saint Louis, MO 63141 · CMS Certification Number 260020. 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.
Medicare prices at Mercy Hospital St Louis
| Operation | Inpatient paid | List price | List ÷ paid | Outpatient allowed |
|---|---|---|---|---|
| Hip or knee replacement | $14,655 | $41,748 | 2.8× | $11,435 |
| Shoulder replacement | $18,661 | $62,259 | 3.3× | $16,278 |
| Hip replacement after a fracture (DRG 522) | $15,702 | $56,460 | 3.6× | — |
Quality
Complications after hip or knee replacement: 2.7% (no different from the national rate). Readmissions: 7.2%. Overall Care Compare rating: 4 of 5 stars. Nonprofit · Acute · 859 beds
Missouri has a certificate-of-need program that does not cover surgery centers.
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Questions
How much does Medicare pay Mercy Hospital St Louis for a knee or hip replacement?
In 2024 Medicare paid Mercy Hospital St Louis an average of $14,655 per inpatient hip or knee replacement stay (MS-DRG 470, 72 stays) and $11,435 per outpatient case (APC 5115, 340 cases).
What is Mercy Hospital St Louis's list price for a joint replacement?
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $41,748, 2.8× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Is a knee replacement cheaper at a surgery center near Mercy Hospital St Louis?
Yes for Medicare facility payments. Advanced Surgical Care, an orthopedic surgery center same ZIP away, is paid about $8,800 by Medicare for a knee replacement (CPT 27447), $5,855 less than an inpatient stay at Mercy Hospital St Louis. Not every patient is a surgery-center candidate.
How does Mercy Hospital St Louis compare with other Missouri hospitals?
Medicare paid Mercy Hospital St Louis more than 66% of the 32 Missouri hospitals that report inpatient hip or knee replacement.