Northridge, CA 91325 · CMS Certification Number 050116. 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 | $20,129 | $138,346 | 6.9× | $15,825 |
| Shoulder replacement | $26,529 | $222,879 | 8.4× | $22,851 |
| Hip replacement after a fracture (DRG 522) | $22,310 | $183,388 | 8.2× | — |
Complications after hip or knee replacement: 4.2% (no different from the national rate). Readmissions: 5%. Overall Care Compare rating: 4 of 5 stars. Nonprofit · Acute · 435 beds
California has no certificate-of-need law.
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In 2024 Medicare paid Northridge Hospital Medical Center an average of $20,129 per inpatient hip or knee replacement stay (MS-DRG 470, 57 stays) and $15,825 per outpatient case (APC 5115, 135 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $138,346, 6.9× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. Valley Surgicenter, an orthopedic surgery center same ZIP away, is paid about $10,558 by Medicare for a knee replacement (CPT 27447), $9,571 less than an inpatient stay at Northridge Hospital Medical Center. Not every patient is a surgery-center candidate.
Medicare paid Northridge Hospital Medical Center less than 53% of the 119 California hospitals that report inpatient hip or knee replacement.