Price AtlasInteractive atlas · All states · techysurgeon.comBarnes-Jewish St Peters Hospital: what a joint replacement costs
Saint Peters, MO 63376 · CMS Certification Number 260191. 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.
Medicare prices at Barnes-Jewish St Peters Hospital
| Operation | Inpatient avg total payment Medicare + patient share | List price | List ÷ total | Outpatient Medicare allowed |
|---|---|---|---|---|
| Hip or knee replacement | $12,300 | $47,591 | 3.9× | $11,542 |
| Shoulder replacement | — | — | — | $16,551 |
| Hip replacement after a fracture (DRG 522) | $12,995 | $53,845 | 4.1× | — |
Commercial negotiated rates (beta)
| MS-DRG 470 | Median across insurers | × Medicare total payment | Lowest–highest insurer | Insurers |
|---|---|---|---|---|
| Hip or knee replacement | $23,993 | 2.0× | $18,710–$37,912 | 8 |
| Insurer | Median negotiated, MS-DRG 470 | × Medicare total payment | Plans |
|---|---|---|---|
| Humana | $37,912 | 3.1× | 1 |
| UnitedHealthcare | $31,285 | 2.5× | 1 |
| Elevance/Anthem/Empire | $29,751 | 2.4× | 1 |
| Aetna | $24,702 | 2.0× | 1 |
| Sarah Bush Lincoln | $23,284 | 1.9× | 1 |
| Consociate | $21,765 | 1.8× | 1 |
| Health Alliance | $21,414 | 1.7× | 1 |
| Cigna | $18,710 | 1.5× | 1 |
From the hospital's price-transparency file (2025-12-15); commercial plans, dollar-amount contracts only.
From the hospital's price-transparency file (2025-12-15); commercial plans, dollar-amount contracts only.
Quality
Complications after hip or knee replacement: 5.2% (no different from the national rate). Readmissions: 5.3%. Overall Care Compare rating: 3 of 5 stars. Nonprofit · Acute · 111 beds
Missouri has a certificate-of-need program that does not cover surgery centers.
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Questions
How much does Medicare pay Barnes-Jewish St Peters Hospital for a knee or hip replacement?
In 2024 the average total payment to Barnes-Jewish St Peters Hospital for an inpatient hip or knee replacement stay was $12,300 (MS-DRG 470, 26 Medicare stays; Medicare's payment plus the patient's deductible and coinsurance), and the Medicare allowed amount averaged $11,542 per outpatient case (APC 5115, 129 cases).
What is Barnes-Jewish St Peters Hospital's list price for a joint replacement?
The hospital's average list (chargemaster) price for an inpatient hip or knee replacement was $47,591, 3.9× the average total payment for a Medicare stay. Almost nobody pays the list price; it matters for uninsured bills and percent-of-charge contracts.
Is a knee replacement cheaper at a surgery center near Barnes-Jewish St Peters Hospital?
Yes for Medicare facility payments. St. Peter's Surgery Center, LLC, an orthopedic surgery center same ZIP away, is paid about $8,800 by Medicare for a knee replacement (CPT 27447), $3,500 less than an inpatient stay at Barnes-Jewish St Peters Hospital. Not every patient is a surgery-center candidate.
How does Barnes-Jewish St Peters Hospital compare with other Missouri hospitals?
Barnes-Jewish St Peters Hospital's average total payment per Medicare stay is lower than 91% of the 32 Missouri hospitals that report inpatient hip or knee replacement.
What do commercial insurers pay Barnes-Jewish St Peters Hospital for a hip or knee replacement?
From the hospital's own price-transparency file, commercial plans' negotiated rates for MS-DRG 470 have a median of $23,993 across 8 insurers, ranging from $18,710 to $37,912.