H-1B sponsorship profile: Oak Street Health MSO LLC. Across U.S. Department of Labor LCA disclosures, Oak Street Health MSO LLC filed 49 Labor Condition Applications covering 49 H-1B worker positions between fiscal year 2023 and fiscal year 2025. The employer’s DOL certification rate sits at 100% (49 certified of 49 filed), a useful proxy for how cleanly their prevailing-wage attestations pass the Labor Department’s preliminary review before USCIS adjudication.

Compensation spread. Offered wages on Oak Street Health MSO LLC’s H-1B petitions range from $90,000 at the low end to $190,000 at the high end, with a petition-weighted average of $132,062. That range reflects the mix of occupations the company sponsors, led by Sr. Engineer I, Data Engineering (5 petitions at $144,000 avg), followed by Software Development Engineer and Engineer II, Data Engineering. H-1B salaries reported on LCAs must meet or exceed the DOL prevailing wage for the role and worksite, so the spread also tracks wage-level geography and seniority.

Geographic footprint. Oak Street Health MSO LLC is headquartered in Chicago, IL under NAICS code 62111, and places H-1B workers across 12 states, most heavily in IL, TX, NJ. Combined, these signals give a granular view of how one employer uses the H-1B program, volume, approval cleanliness, wage posture, and where the jobs actually sit on the map.

Where Oak Street Health MSO LLC ranks. By H-1B petition volume, Oak Street Health MSO LLC is #4,769 of 119,880 employers nationally and #248 of 5,284 employers headquartered in IL. Both ranks are computed live from the same underlying petition counts, not a separate estimate.