Short-term acute care hospital · Walnut Creek, California · 249 beds · CMS certification number 050072
Kaiser Foundation Hospital Walnut Creek
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended December 31, 2025, as submitted, stamped by CMS May 27, 2026. 30 years on file, every one shown below.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $555.4M in its first year on file (2021) to $794.6M in 2025.
- Its result from patient care: −$76.7M (2023), −$28.4M (2024), −$31.7M (2025).
- 2 of the 5 short-term acute care hospital peers below with a margin on file also report a loss on patient care for fiscal year 2025.
- Medicaid paid for 1.2% of its inpatient days and Medicare for 3.0%.
Every statement is drawn from figures on this page; nothing is estimated.
30 years of filings
Net patient revenue against operating expenses, each year as filed.
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Beside its peers
Short-term acute care hospitals in California with 200 to 399 beds, each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Kaiser Foundation Hospital Walnut Creek | 249 | $794,591,146 | $826,317,659 | −4.0% |
| John Muir Medical Center - Concord Campus, Concord | 247 | $830,399,397 | $773,075,732 | 6.9% |
| Memorialcare Saddleback Medical Center, Laguna Hills | 248 | $405,702,701 | $433,243,235 | −6.8% |
| Paradise Valley Hospital, National City | 243 | $144,894,322 | $142,722,907 | 1.5% |
| Alta Bates Summit Medical Center-Summit Campus, Oakland | 251 | $622,649,330 | $576,938,875 | 7.3% |
| Tri-City Medical Center, Oceanside | 252 | $290,656,427 | $339,034,250 | −16.6% |
Patients and payers
- Discharges
- 13,400S-3 line 14, col 15
- Inpatient days
- 59,612S-3 line 14, col 8
- Beds in use, on an average day
- 163.8days ÷ days in year
- Occupancy
- 65.6%days ÷ bed days
- Medicare share of days
- 3.0%S-3 cols 6 ÷ 8
- Medicaid share of days
- 1.2%S-3 cols 7 ÷ 8
Who owns it
Related organizations on its own cost report: KFHP.
Type of control on its cost report: voluntary nonprofit, other.
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Figures: CMS Healthcare Cost Report Information System, file HOSP10FY2025.ZIP, form CMS-2552-10, filed under CMS certification number 050072. Patients and payers: worksheet S-3 Part I of the same filing.
How this page was built: the CMS Medicare cost report, file HOSP10FY2025.ZIP, read May 27, 2026.