EntityWire/Texas business entity search →/US ONCOLOGY CORPORATE, INC.
Employer with a benefit plan
US ONCOLOGY CORPORATE, INC.
The Employer Identification Number (EIN) for US ONCOLOGY CORPORATE, INC. is 84-1213501.
At a glance
- EIN
- 84-1213501 · 841213501
- Legal name
- US ONCOLOGY CORPORATE, INC.
- Also filed as
- AMERICAN ONCOLOGY RESOURCES INC /DE/; U.S. ONCOLOGY, INC.; US ONCOLOGY INC
- Address on file
- 10101 WOODLOCH FOREST, THE WOODLANDS, TX 77380
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-05
State registration
Texas Comptroller active franchise taxpayers file · records as of 2026-09-05
- Texas registration
- Active · Foreign profit corporation
- Source: Texas Comptroller · as of 2026-09-05
- Texas document number
- 0009811406
- Source: Texas Comptroller · as of 2026-09-05
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-10-10
- Benefit plan 1, 2024 filing
- THE US ONCOLOGY CLINICAL PRACTICE 401K PLAN
- Source: DOL 5500 · as of 2025-10-10
- Participants (start of year)
- 8,027
- Source: DOL 5500 · as of 2025-10-10
- Plan features
- Age or service weighted; Profit-sharing; ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching
- Source: DOL 5500 · as of 2025-10-10
- Plan type
- Multiple-employer plan
- Source: DOL 5500 · as of 2025-10-10
- Business code (NAICS)
- 621111
- Source: DOL 5500 · as of 2025-10-10
- Benefit plan 501, 2024 filing
- U.S. ONCOLOGY HEALTH AND WELFARE WRAP PLAN
- Source: DOL 5500 · as of 2025-10-10
- Participants (start of year)
- 16,373
- Source: DOL 5500 · as of 2025-10-10
- Plan features
- Health (other than dental or vision); Life insurance; Dental; Vision; Temporary disability; Long-term disability
- Source: DOL 5500 · as of 2025-10-10
- Plan type
- Multiple-employer plan
- Source: DOL 5500 · as of 2025-10-10
- Business code (NAICS)
- 621111
- Source: DOL 5500 · as of 2025-10-10
- Benefit plan 1, 2023 filing
- THE US ONCOLOGY CLINICAL PRACTICE 401K PLAN
- Source: DOL 5500 · as of 2024-10-10
- Participants (start of year)
- 6,957
- Source: DOL 5500 · as of 2024-10-10
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), SEC EDGAR company filings and Texas Comptroller active franchise taxpayers file), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Texas Secretary of State, Business and Public Filings Division (Corporations Section); see the Texas business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
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