Emergency room visit, level 4 at Kaiser Foundation Hospital - Walnut Creek
CPT 99284 · Walnut Creek, CA
These are Kaiser Foundation Hospital - Walnut Creek's own posted figures from its standard-charges file dated April 1, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
Across 79 California hospitals we index that post a cash price for this service: lowest $534.00, median $2,550.00, highest $10,526.50. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Eden Medical Center Castro Valley, CA | 10.6 mi | $5,214.00 | $5,214.00 | 2026-04-01 |
| Alta Bates Summit Medical Center - Alta Bates Camp Berkeley, CA | 11.1 mi | $5,214.00 | $5,214.00 | 2026-04-01 |
| Alta Bates Summit Medical Center Oakland, CA | 13.0 mi | $5,214.00 | $5,214.00 | 2026-04-01 |
| Kaiser Foundation Hospital - San Leandro San Leandro, CA | 13.9 mi | $2,712.64 | $4,844.00 | 2026-04-01 |
| Sutter Delta Medical Center Antioch, CA | 14.1 mi | $5,214.00 | $5,214.00 | 2026-04-01 |
| Kaiser Foundation Hospital - Antioch Antioch, CA | 14.9 mi | $2,712.64 | $4,844.00 | 2026-04-01 |
| St. Rose Hospital Hayward, CA | 18.5 mi | $822.47 | $2,741.55 | 2026-02-23 |
| Chinese Hospital San Francisco, CA | 21.3 mi | $2,252.00 | $2,252.00 | 2026-07-22 |
Distances are straight-line from ZIP code centers. Each hospital's figures come from its own file; files are updated on different dates.
Every row for CPT 99284 in this hospital's file
| Row in the hospital's file | Setting | Cash | Gross | Insurer min – max |
|---|---|---|---|---|
| EMERGENCY DEPARTMENT VISIT MODERATE MDM line 11222 | both | $2,712.64 | $4,844.00 | $3,165.00 – $3,165.00 |
The first row is the one used above. A price for one code usually covers the hospital's facility charge only; the doctor, anesthesia, pathology and other services can be billed separately. Ask the hospital for a good faith estimate before a scheduled service: if you pay yourself and the bill comes in $400 or more above the estimate, you can dispute it under the No Surprises Act.
Check a bill from this hospital All Kaiser Foundation Hospital - Walnut Creek prices