Ames, IA 50010 · CMS Certification Number 160030. 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 | $12,476 | $46,104 | 3.7× | $11,234 |
| Shoulder replacement | — | — | — | $15,652 |
| Hip replacement after a fracture (DRG 522) | $13,621 | $59,304 | 4.4× | — |
Complications after hip or knee replacement: 4.9% (no different from the national rate). Readmissions: 5.3%. Overall Care Compare rating: 4 of 5 stars. Government · Acute · 220 beds
Iowa requires a certificate of need for new surgery centers.
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In 2024 Medicare paid Mary Greeley Medical Center an average of $12,476 per inpatient hip or knee replacement stay (MS-DRG 470, 18 stays) and $11,234 per outpatient case (APC 5115, 354 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $46,104, 3.7× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. Ames Surgery Center LLC, an orthopedic surgery center same ZIP away, is paid about $8,440 by Medicare for a knee replacement (CPT 27447), $4,036 less than an inpatient stay at Mary Greeley Medical Center. Not every patient is a surgery-center candidate.
Medicare paid Mary Greeley Medical Center less than 87% of the 15 Iowa hospitals that report inpatient hip or knee replacement.