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 $777 · local Medicare $777 · file 2026-03-23 | |||
| Alignment Health | $777 | 1.0× | 1 |
| Canopy Hn HMO | $1,421 | 1.8× | 1 |
| Covid19 Hrsa Uninsured Testing And Treatment Fund | $777 | 1.0× | 1 |
| Donor Network West | $4,000 | 5.1× | 1 |
| Elevance/Anthem/Empire | $777 | 1.0× | 1 |
| Essence Healthcare | $777 | 1.0× | 2 |
| Generic Commercial/Indemnity | $971 | 1.2× | 1 |
| Generic HMO | $971 | 1.2× | 1 |
| Generic PPO | $971 | 1.2× | 1 |
| Jmpn Canopy Hn | $440 | 0.6× | 1 |
| UnitedHealthcare | $440 | 0.6× | 1 |
| St Mary's Medical Center median $1,794 · local Medicare $795 · file 2026-04-01 | |||
| Aetna | $4,035 | 5.1× | 1 |
| Healthnet | $1,732 | 2.2× | 1 |
| Heritage Provider Network | $796 | 1.0× | 2 |
| Kaiser Permanente | $1,794 | 2.3× | 1 |
| UnitedHealthcare | $1,879 | 2.4× | 2 |
| Good Samaritan Hospital median $4,756 · local Medicare $809 · file 2026-09-01 | |||
| Aetna | $6,193 | 7.7× | 2 |
| Bright Health | $3,680 | 4.5× | 1 |
| Cigna | $5,002 | 6.2× | 4 |
| Elevance/Anthem/Empire | $5,022 | 6.2× | 2 |
| MedCare Partners | $809 | 1.0× | 1 |
| MultiPlan/PHCS (rental network) | $2,638 | 3.3× | 1 |
| UnitedHealthcare | $4,511 | 5.6× | 1 |
| Stanford Health Care Tri-Valley median $4,922 · local Medicare $777 · file 2026-04-01 | |||
| Aetna | $5,227 | 6.7× | 2 |
| Cigna | $2,424 | 3.1× | 1 |
| UnitedHealthcare | $4,922 | 6.3× | 1 |
4 San Francisco Bay Area CA hospitals post usable commercial rates for CPT 66821, hospital outpatient. The median across hospitals is $3,275; hospital medians range from $777 to $4,922. Your cost depends on your plan's deductible and coinsurance.