Nampa, ID 83687 · CMS Certification Number 130013. 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 | $15,269 | $62,003 | 4.1× | $12,720 |
| Shoulder replacement | — | — | — | $17,998 |
Complications after hip or knee replacement: 4.5% (no different from the national rate). Readmissions: 5.8%. Overall Care Compare rating: 3 of 5 stars. Nonprofit · Acute · 152 beds
Idaho has no certificate-of-need law.
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In 2024 Medicare paid Saint Alphonsus Medical Center - Nampa an average of $15,269 per inpatient hip or knee replacement stay (MS-DRG 470, 20 stays) and $12,720 per outpatient case (APC 5115, 71 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $62,003, 4.1× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. Millennium Surgery Center, an orthopedic surgery center 6.9 mi away, is paid about $8,634 by Medicare for a knee replacement (CPT 27447), $6,635 less than an inpatient stay at Saint Alphonsus Medical Center - Nampa. Not every patient is a surgery-center candidate.
Medicare paid Saint Alphonsus Medical Center - Nampa more than 57% of the 7 Idaho hospitals that report inpatient hip or knee replacement.