Walla Walla, WA 99362 · CMS Certification Number 500002. 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 | $14,925 | $68,151 | 4.6× | $14,053 |
| Shoulder replacement | — | — | — | $19,983 |
| Hip replacement after a fracture (DRG 522) | $17,911 | $69,484 | 3.9× | — |
Complications after hip or knee replacement: 3.8% (no different from the national rate). Readmissions: 5.9%. Overall Care Compare rating: 3 of 5 stars. Nonprofit · Acute · 146 beds
Washington requires a certificate of need for new surgery centers.
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In 2024 Medicare paid Providence St Mary Medical Center an average of $14,925 per inpatient hip or knee replacement stay (MS-DRG 470, 21 stays) and $14,053 per outpatient case (APC 5115, 182 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $68,151, 4.6× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. Walla Walla Clinic, an orthopedic surgery center same ZIP away, is paid about $9,211 by Medicare for a knee replacement (CPT 27447), $5,714 less than an inpatient stay at Providence St Mary Medical Center. Not every patient is a surgery-center candidate.
Medicare paid Providence St Mary Medical Center less than 96% of the 26 Washington hospitals that report inpatient hip or knee replacement.