Walnut Creek, CA 94598 · CMS Certification Number 050180. 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 | $21,619 | $200,134 | 9.3× | $18,061 |
| Shoulder replacement | $29,210 | $211,787 | 7.3× | $25,875 |
| Hip replacement after a fracture (DRG 522) | $22,194 | $212,764 | 9.6× | — |
Complications after hip or knee replacement: 3.9% (no different from the national rate). Readmissions: 4.9%. Overall Care Compare rating: 2 of 5 stars. Nonprofit · Acute · 296 beds
California has no certificate-of-need law.
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In 2024 Medicare paid John Muir Medical Center - Walnut Creek Campus an average of $21,619 per inpatient hip or knee replacement stay (MS-DRG 470, 244 stays) and $18,061 per outpatient case (APC 5115, 75 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $200,134, 9.3× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. Sequoia Surgical Pavilion, an orthopedic surgery center same ZIP away, is paid about $13,116 by Medicare for a knee replacement (CPT 27447), $8,503 less than an inpatient stay at John Muir Medical Center - Walnut Creek Campus. Not every patient is a surgery-center candidate.
Medicare paid John Muir Medical Center - Walnut Creek Campus more than 72% of the 119 California hospitals that report inpatient hip or knee replacement.