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 $2,915 · local Medicare $2,332 · file 2026-03-23 | |||
| Alignment Health | $2,332 | 1.0× | 1 |
| BCBS (other) | $11,715 | 5.0× | 1 |
| Brms | $11,715 | 5.0× | 1 |
| Canopy Hn HMO | $4,268 | 1.8× | 1 |
| Covid19 Hrsa Uninsured Testing And Treatment Fund | $2,332 | 1.0× | 1 |
| Elevance/Anthem/Empire | $11,715 | 5.0× | 7 |
| Essence Healthcare | $2,332 | 1.0× | 2 |
| Generic Commercial/Indemnity | $2,915 | 1.3× | 1 |
| Generic HMO | $2,915 | 1.3× | 1 |
| Generic PPO | $2,915 | 1.3× | 1 |
| John Muir Medical Center - Concord Campus median $2,915 · local Medicare $2,332 · file 2026-03-23 | |||
| Alignment Health | $2,332 | 1.0× | 1 |
| BCBS (other) | $11,715 | 5.0× | 2 |
| Brms | $11,715 | 5.0× | 1 |
| Canopy Hn HMO | $4,268 | 1.8× | 1 |
| Covid19 Hrsa Uninsured Testing And Treatment Fund | $2,332 | 1.0× | 1 |
| Elevance/Anthem/Empire | $11,715 | 5.0× | 7 |
| Essence Healthcare | $2,332 | 1.0× | 2 |
| Generic Commercial/Indemnity | $2,915 | 1.3× | 1 |
| Generic HMO | $2,915 | 1.3× | 1 |
| Generic PPO | $2,915 | 1.3× | 1 |
| St Mary's Medical Center median $5,387 · local Medicare $2,387 · file 2026-04-01 | |||
| Aetna | $8,741 | 3.7× | 1 |
| Blue Shield of California | $7,344 | 3.1× | 1 |
| Elevance/Anthem/Empire | $13,912 | 5.8× | 2 |
| Healthnet | $5,194 | 2.2× | 1 |
| Heritage Provider Network | $2,390 | 1.0× | 2 |
| Kaiser Permanente | $5,387 | 2.3× | 1 |
| UnitedHealthcare | $4,632 | 1.9× | 2 |
| Good Samaritan Hospital median $7,000 · local Medicare $2,429 · file 2026-09-01 | |||
| Aetna | $7,000 | 2.9× | 3 |
| Blue Shield of California | $10,378 | 4.3× | 2 |
| Bright Health | $4,829 | 2.0× | 1 |
| Cigna | $14,435 | 5.9× | 4 |
| Elevance/Anthem/Empire | $5,606 | 2.3× | 2 |
| MedCare Partners | $2,429 | 1.0× | 1 |
| UnitedHealthcare | $9,414 | 3.9× | 1 |
| Stanford Health Care Tri-Valley median $7,229 · local Medicare $2,332 · file 2026-04-01 | |||
| Aetna | $6,322 | 2.7× | 2 |
| Blue Shield of California | $7,416 | 3.2× | 2 |
| Cigna | $9,226 | 4.0× | 1 |
| UnitedHealthcare | $7,042 | 3.0× | 1 |
| 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 $5,127 · local Medicare $4,102 · file 2026-03-23 | |||
| Alignment Health | $4,102 | 1.0× | 1 |
| BCBS (other) | $11,715 | 2.9× | 1 |
| Brms | $11,715 | 2.9× | 1 |
| Canopy Hn HMO | $7,506 | 1.8× | 1 |
| Cigna | $21,047 | 5.1× | 3 |
| Covid19 Hrsa Uninsured Testing And Treatment Fund | $4,102 | 1.0× | 1 |
| Elevance/Anthem/Empire | $11,715 | 2.9× | 7 |
| Essence Healthcare | $4,102 | 1.0× | 2 |
| Generic Commercial/Indemnity | $5,127 | 1.2× | 1 |
| Generic HMO | $5,127 | 1.2× | 1 |
| Generic PPO | $5,127 | 1.2× | 1 |
| John Muir Medical Center - Concord Campus median $5,127 · local Medicare $4,102 · file 2026-03-23 | |||
| Alignment Health | $4,102 | 1.0× | 1 |
| BCBS (other) | $11,715 | 2.9× | 2 |
| Brms | $11,715 | 2.9× | 1 |
| Canopy Hn HMO | $7,506 | 1.8× | 1 |
| Cigna | $21,047 | 5.1× | 3 |
| Covid19 Hrsa Uninsured Testing And Treatment Fund | $4,102 | 1.0× | 1 |
| Elevance/Anthem/Empire | $11,715 | 2.9× | 7 |
| Essence Healthcare | $4,102 | 1.0× | 2 |
| Generic Commercial/Indemnity | $5,127 | 1.2× | 1 |
| Generic HMO | $5,127 | 1.2× | 1 |
| Generic PPO | $5,127 | 1.2× | 1 |
| Stanford Health Care Tri-Valley median $7,229 · local Medicare $4,102 · file 2026-04-01 | |||
| Aetna | $6,322 | 1.5× | 2 |
| Blue Shield of California | $7,416 | 1.8× | 2 |
| Cigna | $9,226 | 2.2× | 1 |
| UnitedHealthcare | $7,042 | 1.7× | 1 |
| Good Samaritan Hospital median $7,323 · local Medicare $4,272 · file 2026-09-01 | |||
| Aetna | $7,000 | 1.6× | 3 |
| Blue Shield of California | $10,378 | 2.4× | 2 |
| Bright Health | $4,829 | 1.1× | 1 |
| Cigna | $14,435 | 3.4× | 4 |
| Elevance/Anthem/Empire | $7,323 | 1.7× | 2 |
| MedCare Partners | $4,272 | 1.0× | 1 |
| UnitedHealthcare | $9,414 | 2.2× | 1 |
| St Mary's Medical Center median $8,660 · local Medicare $4,199 · file 2026-04-01 | |||
| Aetna | $8,741 | 2.1× | 1 |
| Blue Shield of California | $7,344 | 1.7× | 1 |
| Elevance/Anthem/Empire | $13,912 | 3.3× | 2 |
| Healthnet | $8,660 | 2.1× | 1 |
| Heritage Provider Network | $4,203 | 1.0× | 2 |
| Kaiser Permanente | $9,474 | 2.3× | 1 |
| UnitedHealthcare | $4,632 | 1.1× | 2 |
| 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 |
6 San Francisco Bay Area CA hospitals post usable commercial rates for CPT 21931, hospital outpatient. The median across hospitals is $6,194; hospital medians range from $2,915 to $13,697. Your cost depends on your plan's deductible and coinsurance.