OpenERISA

Onsite Mammography, LLC

Westfield, MA, 01085

EIN 26-3693194
Plans
2
Total participants
2,963
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
621498
Plan sponsors in MassachusettsHealth Care & Social Assistance

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Onsite Mammography LLC 401(K) Plan457
2023Form 5500001Onsite Mammography LLC 401(K) Plan437
2023Form 5500501Onsite Mammography Health And Welfare Benefit Plan279
2022Form 5500001Onsite Mammography LLC 401(K) Plan366
2022Form 5500501Onsite Mammography Health And Welfare Benefit Plan246
2021Form 5500001Onsite Mammography LLC 401(K) Plan325
2021Form 5500501Onsite Mammography Health And Welfare Benefit Plan144
2020Form 5500001Onsite Mammography LLC 401(K) Plan276
2020Form 5500501Onsite Mammography111
2020Form 5500501Onsite Mammography122
2020Form 5500501Onsite Mammography Health And Welfare Benefit Plan200

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.

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