Price AtlasInteractive atlas · All states · techysurgeon.comAscension Seton Williamson: what a joint replacement costs
Round Rock, TX 78664 · CMS Certification Number 670041. 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 Ascension Seton Williamson
| Operation | Inpatient paid | List price | List ÷ paid | Outpatient allowed |
|---|---|---|---|---|
| Hip or knee replacement | $14,421 | $216,831 | 15.0× | $11,833 |
| Shoulder replacement | — | — | — | $16,742 |
| Hip replacement after a fracture (DRG 522) | $15,644 | $172,681 | 11.0× | — |
Quality
Complications after hip or knee replacement: 3.5% (no different from the national rate). Readmissions: 5.8%. Overall Care Compare rating: 4 of 5 stars. Nonprofit · Acute · 181 beds
Texas has no certificate-of-need law.
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Questions
How much does Medicare pay Ascension Seton Williamson for a knee or hip replacement?
In 2024 Medicare paid Ascension Seton Williamson an average of $14,421 per inpatient hip or knee replacement stay (MS-DRG 470, 16 stays) and $11,833 per outpatient case (APC 5115, 114 cases).
What is Ascension Seton Williamson's list price for a joint replacement?
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $216,831, 15.0× 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 Ascension Seton Williamson?
Yes for Medicare facility payments. Williamson Surgery Center, an orthopedic surgery center 3.1 mi away, is paid about $8,747 by Medicare for a knee replacement (CPT 27447), $5,674 less than an inpatient stay at Ascension Seton Williamson. Not every patient is a surgery-center candidate.
How does Ascension Seton Williamson compare with other Texas hospitals?
Medicare paid Ascension Seton Williamson less than 51% of the 77 Texas hospitals that report inpatient hip or knee replacement.