Total Workers Affected
315
Across all WARN notices
Employer · WARN Act history · Health Care & Social Assistance
Kaiser Foundation Hospitals
315 workers across 43 WARN notices, primarily in CA — every mass-layoff and plant-closing filing on record.
- 315
- Workers cut
- 43
- WARN notices
- 1
- State
- 7
- Avg / notice
The verdict
Kaiser Foundation Hospitals put 315 workers on WARN notice across 43 filings — the 613th-largest WARN footprint of 6,654 tracked employers.
- #613
- of 6,654 employers by workers affected
- Top 9%
- larger than 91% of tracked employers
- 43
- WARN filings on record
- 1
- state affected, led by CA
Employer Profile
WARN Notices by Year: Kaiser Foundation Hospitals — Workers affected per year from WARN Act filings
Number of Notices
43
WARN Act filings on record
Latest Event Date
Oct 2025
Most recent filing
Workforce Impact Severity 30.0%
315 workers across all events
WARN Notice History
2025
Mass Layoff
Owens Drive Pleasanton, CA · Health Care & Social Assistance
Effective: Oct 13, 2025
3
workers
Filed Oct 13, 2025
Mass Layoff
San Rafael, CA · Health Care & Social Assistance
Effective: Oct 13, 2025
2
workers
Filed Oct 13, 2025
Mass Layoff
Sacramento, CA · Health Care & Social Assistance
Effective: Oct 13, 2025
2
workers
Filed Oct 13, 2025
Mass Layoff
Geary Boulevard San Francisco, CA · Health Care & Social Assistance
Effective: Oct 13, 2025
2
workers
Filed Oct 13, 2025
Mass Layoff
Vallejo, CA · Health Care & Social Assistance
Effective: Oct 13, 2025
1
workers
Filed Oct 13, 2025
Mass Layoff
Petaluma, CA · Health Care & Social Assistance
Effective: Oct 13, 2025
1
workers
Filed Oct 13, 2025
Mass Layoff
Broadway Oakland, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
74
workers
Filed Oct 6, 2025
Mass Layoff
Pleasanton, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
43
workers
Filed Oct 6, 2025
Mass Layoff
San Leandro, CA · Educational Services
Effective: Oct 6, 2025
40
workers
Filed Oct 6, 2025
Mass Layoff
Walnut Creek, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
1
workers
Filed Oct 6, 2025
Mass Layoff
Los Angeles, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
1
workers
Filed Oct 6, 2025
Mass Layoff
Downey, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
2
workers
Filed Oct 6, 2025
Mass Layoff
Downey, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
1
workers
Filed Oct 6, 2025
Mass Layoff
Pasadena, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
7
workers
Filed Oct 6, 2025
Mass Layoff
Pasadena, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
1
workers
Filed Oct 6, 2025
Mass Layoff
Pasadena Ave Pasadena, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
15
workers
Filed Oct 6, 2025
Mass Layoff
Pasadena, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
1
workers
Filed Oct 6, 2025
Mass Layoff
Corona, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
2
workers
Filed Oct 6, 2025
Mass Layoff
Corona, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
1
workers
Filed Oct 6, 2025
Mass Layoff
San Diego, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
1
workers
Filed Oct 6, 2025
Mass Layoff
Redwood City, CA · Health Care & Social Assistance
Effective: Oct 6, 2025
20
workers
Filed Oct 6, 2025
Mass Layoff
E Pleasanton, CA · Health Care & Social Assistance
Effective: Sep 15, 2025
5
workers
Filed Sep 15, 2025
Mass Layoff
Pleasanton, CA · Health Care & Social Assistance
Effective: Aug 25, 2025
3
workers
Filed Aug 25, 2025
Mass Layoff
Pasadena, CA · Health Care & Social Assistance
Effective: Aug 25, 2025
2
workers
Filed Aug 25, 2025
Mass Layoff
California Ave Corona, CA · Health Care & Social Assistance
Effective: Aug 25, 2025
1
workers
Filed Aug 25, 2025
Mass Layoff
Corona, CA · Health Care & Social Assistance
Effective: Aug 25, 2025
2
workers
Filed Aug 25, 2025
Mass Layoff
Kaiser Plaza Oakland, CA · Health Care & Social Assistance
Effective: Aug 18, 2025
2
workers
Filed Aug 18, 2025
Mass Layoff
A Pleasanton, CA · Health Care & Social Assistance
Effective: Aug 18, 2025
8
workers
Filed Aug 18, 2025
Mass Layoff
Oakland Ave Pasadena, CA · Health Care & Social Assistance
Effective: Aug 18, 2025
1
workers
Filed Aug 18, 2025
Mass Layoff
San Rafael, CA · Health Care & Social Assistance
Effective: Aug 18, 2025
42
workers
Filed Aug 18, 2025
Mass Layoff
California Ave Corona, CA · Health Care & Social Assistance
Effective: Aug 18, 2025
2
workers
Filed Aug 18, 2025
Mass Layoff
California Ave Corona, CA · Health Care & Social Assistance
Effective: Aug 18, 2025
2
workers
Filed Aug 18, 2025
Mass Layoff
Kaiser Plaza Oakland, CA · Health Care & Social Assistance
Effective: Jul 28, 2025
6
workers
Filed Jul 28, 2025
Mass Layoff
A Pleasanton, CA · Health Care & Social Assistance
Effective: Jul 28, 2025
4
workers
Filed Jul 28, 2025
Mass Layoff
Walnut St Pasadena, CA · Health Care & Social Assistance
Effective: Jul 28, 2025
1
workers
Filed Jul 28, 2025
Mass Layoff
Pasadena Ave Pasadena, CA · Health Care & Social Assistance
Effective: Jul 28, 2025
1
workers
Filed Jul 28, 2025
Mass Layoff
Oakland Ave Pasadena, CA · Health Care & Social Assistance
Effective: Jul 28, 2025
3
workers
Filed Jul 28, 2025
Mass Layoff
San Diego, CA · Health Care & Social Assistance
Effective: Jul 28, 2025
1
workers
Filed Jul 28, 2025
Mass Layoff
Owens Dr Pleasanton, CA · Health Care & Social Assistance
Effective: Jul 21, 2025
3
workers
Filed Jul 21, 2025
Mass Layoff
Smith Ranch Rd San Rafael, CA · Health Care & Social Assistance
Effective: Jul 21, 2025
1
workers
Filed Jul 21, 2025
Mass Layoff
Pleasanton, CA · Health Care & Social Assistance
Effective: Jul 7, 2025
2
workers
Filed Jul 7, 2025
Mass Layoff
Pasadena, CA · Health Care & Social Assistance
Effective: Jul 7, 2025
1
workers
Filed Jul 7, 2025
Mass Layoff
Vallejo, CA · Health Care & Social Assistance
Effective: Jul 7, 2025
1
workers
Filed Jul 7, 2025
How Kaiser Foundation Hospitals compares in Health Care & Social Assistance
| # | Employer | Workers cut | Notices | Lead state |
|---|---|---|---|---|
| 1 | CVS Health | 5,043 | 2 | VA |
| 2 | Texas Children's Hosptal (Texas Medical Center) | 997 | 1 | TX |
| 3 | Nix Hospital-Nix Behavioral Health Center | 972 | 1 | TX |
| 4 | ProHealth Care | 835 | 1 | WI |
| 5 | Southwest General Hospital | 827 | 1 | TX |
| 6 | Auburn Regional Medical Center | 827 | 1 | WA |
| 7 | Hospital Sisters Health System Sacred Heart Hospital of Eau Claire (SHEC) | 821 | 1 | WI |
| 8 | The Oregon Clinic | 820 | 1 | OR |
| 9 | Kaiser Foundation Hospitals (this page) | 315 | 43 | CA |
What this means for CA workers
Kaiser Foundation Hospitals has 43 WARN filings on record covering 315 workers, most recently on Oct 13, 2025.
- If you are affected, file for unemployment and contact your state's rapid-response program inside the WARN Act's 60-day notice window. What to do after a layoff
- Check whether the required notice pay was provided — the WARN Act can entitle workers to up to 60 days of pay when notice is skipped. Estimate WARN pay
- See every WARN notice on record in CA, where Kaiser Foundation Hospitals's filings were reported. CA layoffs
WARN Act filings only capture layoffs of 50+ workers at sites of 100+ employees, so smaller reductions, contractor non-renewals, and voluntary separations are not shown here.
Reading the Kaiser Foundation Hospitals WARN Record
Federal WARN Act filings place Kaiser Foundation Hospitals on record with 43 notices covering 315 workers, spanning Jul 7, 2025 through Oct 13, 2025. Because the WARN Act only captures events that affect 50 or more workers at sites of 100+ employees, this count sits at the upper band of the employer's layoff activity — smaller reductions, contractor non-renewals, and voluntary separations are invisible to this dataset. The geographic footprint of 1 state, anchored in CA, in the Health Care & Social Assistance sector, shapes which state workforce agencies received the filings and which state-level "mini-WARN" thresholds applied.
Averaging 7 workers per notice, Kaiser Foundation Hospitals's filings fall into a pattern that suggests targeted team or department cuts that still crossed the WARN reporting threshold. With 43 separate filings on record, this is not an isolated event — the cadence of notices points to recurring workforce adjustment tied to industry cycles, merger integration, or capacity right-sizing.
For workers, the practical layer under these numbers is time: the WARN Act's 60-day notification window triggers eligibility for state unemployment insurance, COBRA health-coverage continuation, and rapid-response services from the state workforce agency that received the filing. Workers on CA-based Kaiser Foundation Hospitals notices should contact the CA workforce agency directly — response teams, severance negotiation guidance, and TAA (Trade Adjustment Assistance) screening move fastest in the days immediately following a notice. The record above reflects filed notices only; subsequent hiring, rescinded closures, or facility reopenings are not tracked by WARN disclosures.
Understanding Kaiser Foundation Hospitals's Layoff History
Kaiser Foundation Hospitals has a substantial history of WARN Act filings with 43 notices, suggesting recurring workforce restructuring. Companies with multiple notices often operate in cyclical industries or undergo periodic reorganization as business conditions change.
The notices have affected an average of 7 workers each, suggesting targeted departmental or facility-level changes. WARN Act notices only capture layoffs meeting federal thresholds (50+ workers) and may not represent all workforce changes.
Layoff Resources
Frequently Asked Questions
Is Kaiser Foundation Hospitals laying off workers? ▼
Kaiser Foundation Hospitals has filed 43 WARN Act notices affecting 315 workers across 1 state. The most recent notice was filed on Oct 13, 2025.
How many people has Kaiser Foundation Hospitals laid off? ▼
According to WARN Act filings, Kaiser Foundation Hospitals has affected 315 workers total, averaging 7 workers per notice.
What states has Kaiser Foundation Hospitals had layoffs in? ▼
Kaiser Foundation Hospitals has filed WARN notices in 1 state: CA.
What is a WARN Act notice? ▼
The Worker Adjustment and Retraining Notification (WARN) Act requires employers with 100+ employees to provide 60 days advance notice of plant closings and mass layoffs affecting 50 or more workers. Not all layoffs require WARN notice.
What benefits are available after a Kaiser Foundation Hospitals layoff? ▼
Workers affected by a WARN-notified layoff may be eligible for unemployment insurance, COBRA health coverage continuation, job retraining through the Trade Adjustment Assistance program, and severance packages if offered by the employer. State workforce agencies often provide additional rapid response services.
How does Kaiser Foundation Hospitals's layoff history compare to the industry? ▼
Kaiser Foundation Hospitals has affected 315 workers across 43 WARN filings in the Health Care & Social Assistance sector. The federal WARN Act only captures layoffs affecting 50 or more workers, so actual workforce changes may be larger.
Data sourced from official state WARN-Act layoff registries. See our methodology for details. Retrieved and formatted by PlainLayoffs Editorial
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from state WARN Act filings. Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | PlainLayoffs |
| Sources | Public state WARN-Act layoff registries |