Posted commercial rates at 5 Missouri hospitals, each next to its own Medicare base rate.
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| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Mercy Hospital South Saint Louis | $4,137 | 0.7× | 1 | 2026-06-10 |
| Barnes-Jewish West County Hospital Creve Coeur | $12,141 | 2.1× | 5 | 2025-12-15 |
| Missouri Baptist Medical Center Town and Country | $12,726 | 2.2× | 5 | 2025-12-15 |
| Barnes-Jewish St Peters Hospital Saint Peters | $12,726 | 2.2× | 5 | 2025-12-15 |
| Barnes Jewish Hospital Saint Louis | $16,826 | 2.9× | 5 | 2025-12-15 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Mercy Hospital South Saint Louis | $5,929 | 0.7× | 1 | 2026-06-10 |
| Missouri Baptist Medical Center Town and Country | $16,598 | 2.0× | 5 | 2025-12-15 |
| Barnes-Jewish West County Hospital Creve Coeur | $16,598 | 2.0× | 5 | 2025-12-15 |
| Barnes-Jewish St Peters Hospital Saint Peters | $16,598 | 2.0× | 5 | 2025-12-15 |
| Barnes Jewish Hospital Saint Louis | $19,681 | 2.4× | 5 | 2025-12-15 |
5 Missouri hospitals post usable commercial rates for kidney or urinary infection (hospital stay) in their federal price-transparency files. For inpatient stay (MS-DRG 690), the median across 5 hospitals is $12,726, 2.2× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.