Posted commercial rates at 4 California hospitals, each next to its own Medicare base rate.
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| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Keck Hospital Of Usc Los Angeles | $3,628 | 3.0× | 5 | 2026-04-01 |
| Cedars-Sinai Medical Center Los Angeles | $4,167 | 3.5× | 1 | 2025-11-26 |
| Los Robles Hospital & Medical Center Thousand Oaks | $5,626 | 4.7× | 5 | 2026-09-01 |
| Stanford Health Care Stanford | $8,345 | 6.1× | 1 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Keck Hospital Of Usc Los Angeles | $3,628 | 3.0× | 5 | 2026-04-01 |
| Cedars-Sinai Medical Center Los Angeles | $4,167 | 3.5× | 1 | 2025-11-26 |
| Los Robles Hospital & Medical Center Thousand Oaks | $5,626 | 4.7× | 5 | 2026-09-01 |
| Stanford Health Care Stanford | $8,345 | 6.1× | 1 | 2026-04-01 |
4 California hospitals post usable commercial rates for screening colonoscopy (medicare) in their federal price-transparency files. For CPT G0121, hospital outpatient, the median across 4 hospitals is $4,897, 4.1× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.