Chattanooga, TN 37403 · CMS Certification Number 440104. 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 | $16,702 | $43,357 | 2.6× | $11,031 |
| Shoulder replacement | $21,213 | $66,677 | 3.1× | $15,526 |
| Hip replacement after a fracture (DRG 522) | $18,807 | $63,840 | 3.4× | — |
Complications after hip or knee replacement: 2.9% (no different from the national rate). Readmissions: 4%. Overall Care Compare rating: 4 of 5 stars. Government · Acute · 848 beds
Tennessee requires a certificate of need for new surgery centers.
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In 2024 Medicare paid Erlanger Health System an average of $16,702 per inpatient hip or knee replacement stay (MS-DRG 470, 138 stays) and $11,031 per outpatient case (APC 5115, 359 cases).
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $43,357, 2.6× what Medicare paid. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Yes for Medicare facility payments. Riverfront Surgery Center, an orthopedic surgery center 1.2 mi away, is paid about $8,376 by Medicare for a knee replacement (CPT 27447), $8,326 less than an inpatient stay at Erlanger Health System. Not every patient is a surgery-center candidate.
Medicare paid Erlanger Health System more than 93% of the 29 Tennessee hospitals that report inpatient hip or knee replacement.