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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Onslow Radiation Oncology LLC Stephen Spencer

Stephen Spencer

Officer

Manager (Omh) at Onslow Radiation Oncology LLC

Fiscal year ended September 30, 2023. Published on January 25, 2026.

$262,270
2023

Total compensation

Stephen Spencer has been listed as an employee of Onslow Radiation Oncology LLC in Form 990 filings since fiscal year 2022. Total compensation for Stephen Spencer has decreased by 7.1% from 2022 to 2023.

Annual compensation details

$262,270
-7.1%
Manager (Omh)
2023
$256k related
1 hr/wk
$7k other
--
$282,216
Manager (Omh)
2022
$277k related
1 hr/wk
$6k other
--

Total compensation by year

Compare the compensation of Stephen Spencer to:

2023

Other employees at Onslow Radiation Oncology LLC

Darrel L Ross
Radiation Oncologist
$597,976
$0 from org$579,436 from related$18,540 other
Penney Burlingame Deal
Member
$456,124
$0 from org$446,890 from related$9,234 other
Carl Biber
Manager (Omh)
$288,288
$0 from org$262,073 from related$26,215 other
Thomas Jenkins
Manager (Omh)
$179,102
$0 from org$152,887 from related$26,215 other
Daniel Thomas Waller
Manager (Omh)
$0
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Revisions to this profile

January 25, 2026:
2023 Onslow Radiation Oncology LLC 990 published
January 25, 2026:
2022 Onslow Radiation Oncology LLC 990 published

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