Baltimore, MD 21218 · CMS Certification Number 210024. 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 | $28,000 | $31,513 | 1.1× | — |
| Shoulder replacement | $35,723 | $39,817 | 1.1× | — |
| Hip replacement after a fracture (DRG 522) | $28,439 | $31,516 | 1.1× | — |
Complications after hip or knee replacement: 3.5% (no different from the national rate). Readmissions: 5.8%. Overall Care Compare rating: 5 of 5 stars. Nonprofit · Acute · 370 beds
Maryland requires a certificate of need for new surgery centers.
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In 2024 Medicare paid Medstar Union Memorial Hospital an average of $28,000 per inpatient hip or knee replacement stay (MS-DRG 470, 101 stays).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $31,513, 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. Greenspring Surgery Center, LLC, an orthopedic surgery center 4.5 mi away, is paid about $8,953 by Medicare for a knee replacement (CPT 27447), $19,047 less than an inpatient stay at Medstar Union Memorial Hospital. Not every patient is a surgery-center candidate.
Medicare paid Medstar Union Memorial Hospital more than 64% of the 25 Maryland hospitals that report inpatient hip or knee replacement.