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 |
|---|---|---|---|
| Stanford Health Care Tri-Valley median $6,134 · local Medicare $2,757 · file 2026-04-01 | |||
| Aetna | $5,227 | 1.9× | 2 |
| Blue Shield of California | $7,416 | 2.7× | 2 |
| Cigna | $2,424 | 0.9× | 1 |
| UnitedHealthcare | $7,042 | 2.6× | 1 |
| Good Samaritan Hospital median $6,319 · local Medicare $2,872 · file 2026-09-01 | |||
| Aetna | $6,319 | 2.2× | 3 |
| Blue Shield of California | $10,378 | 3.6× | 2 |
| Cigna | $5,002 | 1.7× | 4 |
| Elevance/Anthem/Empire | $5,606 | 2.0× | 2 |
| MultiPlan/PHCS (rental network) | $2,638 | 0.9× | 1 |
| UnitedHealthcare | $9,414 | 3.3× | 1 |
| St Mary's Medical Center median $6,369 · local Medicare $2,823 · file 2026-04-01 | |||
| Aetna | $4,035 | 1.4× | 1 |
| Blue Shield of California | $7,344 | 2.6× | 1 |
| Elevance/Anthem/Empire | $13,912 | 4.9× | 2 |
| Kaiser Permanente | $6,369 | 2.3× | 1 |
| UnitedHealthcare | $4,632 | 1.6× | 2 |
| John Muir Medical Center - Walnut Creek Campus median $11,448 · local Medicare $2,757 · file 2026-03-23 | |||
| Aetna | $9,691 | 3.5× | 4 |
| BCBS (other) | $11,715 | 4.2× | 1 |
| Blue Shield of California | $11,180 | 4.1× | 5 |
| Cigna | $12,628 | 4.6× | 3 |
| Elevance/Anthem/Empire | $9,021 | 3.3× | 8 |
| UnitedHealthcare | $21,321 | 7.7× | 1 |
| John Muir Medical Center - Concord Campus median $11,644 · local Medicare $2,757 · file 2026-03-23 | |||
| Aetna | $9,691 | 3.5× | 4 |
| BCBS (other) | $11,715 | 4.2× | 2 |
| Blue Shield of California | $11,574 | 4.2× | 6 |
| Cigna | $12,628 | 4.6× | 3 |
| Elevance/Anthem/Empire | $9,021 | 3.3× | 8 |
| UnitedHealthcare | $21,321 | 7.7× | 1 |
| Stanford Health Care median $19,507 · local Medicare $2,872 · file 2026-04-01 | |||
| Aetna | $16,973 | 5.9× | 1 |
| Blue Shield of California | $22,145 | 7.7× | 2 |
| Elevance/Anthem/Empire | $13,697 | 4.8× | 1 |
| UnitedHealthcare | $22,041 | 7.7× | 1 |
6 San Francisco Bay Area CA hospitals post usable commercial rates for CPT 64721, hospital outpatient. The median across hospitals is $8,909; hospital medians range from $6,134 to $19,507. Your cost depends on your plan's deductible and coinsurance.