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 |
|---|---|---|---|
| St Mary's Medical Center median $11,564 · local Medicare $4,686 · file 2026-04-01 | |||
| Aetna | $11,564 | 2.5× | 1 |
| Blue Shield of California | $16,382 | 3.5× | 1 |
| Elevance/Anthem/Empire | $20,549 | 4.4× | 2 |
| Kaiser Permanente | $10,574 | 2.3× | 1 |
| UnitedHealthcare | $7,824 | 1.7× | 2 |
| Stanford Health Care Tri-Valley median $16,544 · local Medicare $4,578 · file 2026-04-01 | |||
| Aetna | $20,751 | 4.5× | 2 |
| Blue Shield of California | $16,544 | 3.6× | 2 |
| UnitedHealthcare | $10,765 | 2.4× | 1 |
| John Muir Medical Center - Walnut Creek Campus median $19,632 · local Medicare $4,578 · file 2026-03-23 | |||
| Aetna | $14,036 | 3.1× | 2 |
| Blue Shield of California | $25,228 | 5.5× | 7 |
| Elevance/Anthem/Empire | $4,578 | 1.0× | 1 |
| UnitedHealthcare | $31,997 | 7.0× | 1 |
| John Muir Medical Center - Concord Campus median $20,081 · local Medicare $4,578 · file 2026-03-23 | |||
| Aetna | $14,036 | 3.1× | 2 |
| Blue Shield of California | $26,126 | 5.7× | 6 |
| Elevance/Anthem/Empire | $4,578 | 1.0× | 1 |
| UnitedHealthcare | $31,997 | 7.0× | 1 |
| Good Samaritan Hospital median $20,469 · local Medicare $4,768 · file 2026-09-01 | |||
| Aetna | $20,469 | 4.3× | 3 |
| Blue Shield of California | $23,151 | 4.9× | 2 |
| Cigna | $16,651 | 3.5× | 4 |
| Elevance/Anthem/Empire | $16,008 | 3.4× | 2 |
| UnitedHealthcare | $29,334 | 6.2× | 1 |
| Stanford Health Care median $35,977 · local Medicare $4,768 · file 2026-04-01 | |||
| UnitedHealthcare | $35,977 | 7.5× | 1 |
| Hospital · insurer | Rate | × Medicare | Plans |
|---|---|---|---|
| John Muir Medical Center - Walnut Creek Campus median $28,612 · local Medicare $4,578 · file 2026-03-23 | |||
| Aetna | $14,036 | 3.1× | 2 |
| Blue Shield of California | $25,228 | 5.5× | 7 |
| Elevance/Anthem/Empire | $36,348 | 7.9× | 3 |
| UnitedHealthcare | $31,997 | 7.0× | 1 |
| John Muir Medical Center - Concord Campus median $29,062 · local Medicare $4,578 · file 2026-03-23 | |||
| Aetna | $14,036 | 3.1× | 2 |
| Blue Shield of California | $26,126 | 5.7× | 6 |
| Elevance/Anthem/Empire | $36,348 | 7.9× | 3 |
| UnitedHealthcare | $31,997 | 7.0× | 1 |
| Stanford Health Care median $33,919 · local Medicare $4,768 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $31,861 | 6.7× | 1 |
| UnitedHealthcare | $35,977 | 7.5× | 1 |
6 San Francisco Bay Area CA hospitals post usable commercial rates for CPT 93458, hospital outpatient. The median across hospitals is $19,857; hospital medians range from $11,564 to $35,977. Your cost depends on your plan's deductible and coinsurance.