Price AtlasInteractive atlas · All states · techysurgeon.comSt Mary Medical Center: what a joint replacement costs
Langhorne, PA 19047 · CMS Certification Number 390258. 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 St Mary Medical Center
| Operation | Inpatient avg total payment Medicare + patient share | List price | List ÷ total | Outpatient Medicare allowed |
|---|---|---|---|---|
| Hip or knee replacement | — | — | — | $12,979 |
| Shoulder replacement | — | — | — | — |
| Hip replacement after a fracture (DRG 522) | $16,152 | $84,085 | 5.2× | — |
Commercial negotiated rates (beta)
| MS-DRG 470 | Median across insurers | × Medicare total payment | Lowest–highest insurer | Insurers |
|---|---|---|---|---|
| Hip or knee replacement | $30,024 | — | $26,507–$43,443 | 21 |
| Insurer | Median negotiated, MS-DRG 470 | × Medicare total payment | Plans |
|---|---|---|---|
| Aetna | $43,443 | — | 1 |
| Cigna | $39,342 | — | 1 |
| Group Pension Administrators | $36,683 | — | 1 |
| Reedman Toll | $36,683 | — | 1 |
| UnitedHealthcare | $32,493 | — | 1 |
| BCBS (other) | $30,024 | — | 1 |
| BCBS AZ | $30,024 | — | 1 |
| BCBS MN | $30,024 | — | 1 |
| BCBS NC | $30,024 | — | 1 |
| BCBS TN | $30,024 | — | 1 |
| CareFirst BCBS | $30,024 | — | 1 |
| Elevance/Anthem/Empire | $30,024 | — | 1 |
| Excellus BCBS | $30,024 | — | 1 |
| Highmark BCBS | $30,024 | — | 1 |
| Horizon BCBS NJ | $30,024 | — | 1 |
| Independence Blue Cross | $30,024 | — | 1 |
| Premera Blue Cross | $30,024 | — | 1 |
| Regence BlueShield | $30,024 | — | 1 |
| Wellmark BCBS | $30,024 | — | 1 |
| Prime Healthcare | $27,632 | — | 1 |
| Jefferson Health Plan Commercial | $26,507 | — | 1 |
From the hospital's price-transparency file (2026-03-31); commercial plans, dollar-amount contracts only.
From the hospital's price-transparency file (2026-03-31); commercial plans, dollar-amount contracts only.
Quality
Complications after hip or knee replacement: 4.5% (no different from the national rate). Readmissions: 5.5%. Overall Care Compare rating: 2 of 5 stars. Nonprofit · Acute · 373 beds
Pennsylvania has no certificate-of-need law.
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Questions
How much does Medicare pay St Mary Medical Center for a knee or hip replacement?
The Medicare allowed amount averaged $12,979 per outpatient hip or knee replacement case (APC 5115, 135 cases) in 2024. Inpatient stays were too few to report.
Is a knee replacement cheaper at a surgery center near St Mary Medical Center?
Yes for Medicare facility payments. Ambulatory Surgery Center at St Mary, an orthopedic surgery center same ZIP away, is paid about $8,981 by Medicare for a knee replacement (CPT 27447). Not every patient is a surgery-center candidate.
What do commercial insurers pay St Mary Medical Center 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 $30,024 across 21 insurers, ranging from $26,507 to $43,443.