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 $11,715 · local Medicare $2,332 · file 2026-03-23 | |||
| BCBS (other) | $11,715 | 5.0× | 1 |
| Elevance/Anthem/Empire | $11,715 | 5.0× | 7 |
| John Muir Medical Center - Concord Campus median $11,715 · local Medicare $2,332 · file 2026-03-23 | |||
| BCBS (other) | $11,715 | 5.0× | 2 |
| Elevance/Anthem/Empire | $11,715 | 5.0× | 7 |
| Stanford Health Care median $13,697 · local Medicare $2,429 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $13,697 | 5.6× | 1 |
| Hospital · insurer | Rate | × Medicare | Plans |
|---|---|---|---|
| John Muir Medical Center - Walnut Creek Campus median $11,715 · local Medicare $4,102 · file 2026-03-23 | |||
| BCBS (other) | $11,715 | 2.9× | 1 |
| Cigna | $21,047 | 5.1× | 3 |
| Elevance/Anthem/Empire | $11,715 | 2.9× | 7 |
| John Muir Medical Center - Concord Campus median $11,715 · local Medicare $4,102 · file 2026-03-23 | |||
| BCBS (other) | $11,715 | 2.9× | 2 |
| Cigna | $21,047 | 5.1× | 3 |
| Elevance/Anthem/Empire | $11,715 | 2.9× | 7 |
| Stanford Health Care median $22,093 · local Medicare $4,272 · file 2026-04-01 | |||
| Aetna | $26,573 | 6.2× | 1 |
| Blue Shield of California | $22,145 | 5.2× | 2 |
| Elevance/Anthem/Empire | $13,697 | 3.2× | 1 |
| UnitedHealthcare | $22,041 | 5.2× | 1 |
3 San Francisco Bay Area CA hospitals post usable commercial rates for CPT 21931, hospital outpatient. The median across hospitals is $11,715; hospital medians range from $11,715 to $13,697. Your cost depends on your plan's deductible and coinsurance.