Every commercial insurer rate these hospitals posted, as a dollar amount and as a multiple of the hospital's own Medicare base rate.
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| Hospital · insurer | Rate | × Medicare | Plans |
|---|---|---|---|
| John Muir Medical Center - Walnut Creek Campus median $12,246 · local Medicare $4,571 · file 2026-03-23 | |||
| Aetna | $10,026 | 2.2× | 4 |
| BCBS (other) | $11,715 | 2.6× | 2 |
| Blue Shield of California | $12,778 | 2.8× | 5 |
| Cigna | $13,680 | 3.0× | 6 |
| Elevance/Anthem/Empire | $11,715 | 2.6× | 14 |
| UnitedHealthcare | $27,670 | 6.1× | 7 |
| John Muir Medical Center - Concord Campus median $12,471 · local Medicare $4,571 · file 2026-03-23 | |||
| Aetna | $10,026 | 2.2× | 4 |
| BCBS (other) | $11,715 | 2.6× | 4 |
| Blue Shield of California | $13,227 | 2.9× | 6 |
| Cigna | $13,680 | 3.0× | 6 |
| Elevance/Anthem/Empire | $11,715 | 2.6× | 14 |
| UnitedHealthcare | $27,670 | 6.1× | 7 |
| Stanford Health Care median $22,041 · local Medicare $4,761 · file 2026-04-01 | |||
| Aetna | $26,573 | 5.6× | 1 |
| Elevance/Anthem/Empire | $13,697 | 2.9× | 1 |
| UnitedHealthcare | $22,041 | 4.6× | 1 |
3 San Francisco Bay Area CA hospitals post usable commercial rates for CPT 58558, hospital outpatient. The median across hospitals is $12,471; hospital medians range from $12,246 to $22,041. Your cost depends on your plan's deductible and coinsurance.