OpenERISA

William Tsai, D.O., INC.

Upland, CA, 91786

EIN 95-4811179
Plans
2
Total participants
38
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
621111
Plan sponsors in CaliforniaHealth Care & Social Assistance

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001William Tsai, D.O., INC. Defined Benefit Pension Plan3
2024Form 5500-SF002William Tsai, D.O., INC. 401K Plan4
2023Form 5500-SF001William Tsai, D.O., INC. Defined Benefit Pension Plan3
2023Form 5500-SF002William Tsai, D.O., INC. 401K Plan5
2022Form 5500-SF001William Tsai, D.O., INC. Defined Benefit Pension Plan3
2022Form 5500-SF002William Tsai, D.O., INC. 401K Plan4
2021Form 5500-SF001William Tsai, D.O., INC. Defined Benefit Pension Plan3
2021Form 5500-SF002William Tsai, D.O., INC. 401K Plan5
2020Form 5500-SF001William Tsai, D.O., INC. Defined Benefit Pension Plan3
2020Form 5500-SF002William Tsai, D.O., INC. 401K Plan5

Data shown as filed with the U.S. Department of Labor (EBSA), filing years 2020–2025; not validated by OpenERISA. View official filings for this EIN on the DOL EFAST2 search.

Other plan sponsors in California

All California plan sponsors →