Baltimore, MD 21202 · CMS Certification Number 210008. 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 | $24,194 | $27,821 | 1.1× | — |
| Shoulder replacement | — | — | — | — |
Complications after hip or knee replacement: 5.3% (no different from the national rate). Readmissions: 6.3%. Overall Care Compare rating: 3 of 5 stars. Nonprofit · Acute · 285 beds
Maryland requires a certificate of need for new surgery centers.
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In 2024 Medicare paid Mercy Medical Center Inc an average of $24,194 per inpatient hip or knee replacement stay (MS-DRG 470, 29 stays).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $27,821, 1.1× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. South Baltimore County Medical Center ASC, an orthopedic surgery center 5.5 mi away, is paid about $8,953 by Medicare for a knee replacement (CPT 27447), $15,241 less than an inpatient stay at Mercy Medical Center Inc. Not every patient is a surgery-center candidate.
Medicare paid Mercy Medical Center Inc less than 72% of the 25 Maryland hospitals that report inpatient hip or knee replacement.