Mason City, IA 50401 · CMS Certification Number 160064. 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 | $14,545 | $67,185 | 4.6× | $12,565 |
| Shoulder replacement | — | — | — | $17,354 |
| Hip replacement after a fracture (DRG 522) | $16,595 | $77,815 | 4.7× | — |
Complications after hip or knee replacement: 3.8% (no different from the national rate). Readmissions: 5.6%. Overall Care Compare rating: 2 of 5 stars. Nonprofit · Acute · 350 beds
Iowa requires a certificate of need for new surgery centers.
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In 2024 Medicare paid Mercyone North Iowa Medical Center an average of $14,545 per inpatient hip or knee replacement stay (MS-DRG 470, 41 stays) and $12,565 per outpatient case (APC 5115, 193 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $67,185, 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. Mason City Ambulatory Surgery Center LLC, an orthopedic surgery center same ZIP away, is paid about $8,060 by Medicare for a knee replacement (CPT 27447), $6,485 less than an inpatient stay at Mercyone North Iowa Medical Center. Not every patient is a surgery-center candidate.
Medicare paid Mercyone North Iowa Medical Center more than 87% of the 15 Iowa hospitals that report inpatient hip or knee replacement.