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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 Stony Brook Radiation Oncology University Faculty Practice Corporation Alexander Slade

Alexander Slade

Highest compensated employee

Radiation Oncology at Stony Brook Radiation Oncology University Faculty Practice Corporation

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

$400,905
2023

Total compensation

Alexander Slade has been listed as an employee of Stony Brook Radiation Oncology University Faculty Practice Corporation in Form 990 filings since fiscal year 2021. Total compensation for Alexander Slade has increased by 135.1% from 2021 to 2023.

Annual compensation details

$400,905
+5%
Radiation Oncology
2023
$285k org
40 hrs/wk
$57k related
10 hrs/wk
$61k other
--
$381,928
+124%
Radiation Oncology
2022
$270k org
40 hrs/wk
$56k

Total compensation by year

Compare the compensation of Alexander Slade to:

2023

Other employees at Stony Brook Radiation Oncology University Faculty Practice Corporation

Samuel Ryu
President and Director
$909,295
$519,875 from org$293,582 from related$95,838 other
Kartik Mani
Radiation Oncology
$440,685
$318,317 from org$59,109 from related$63,259 other
Alexander Stessin
Director
$440,272
$318,782 from org$57,180 from related$64,310 other
Edward Valentine
Treasurer and Secretary and Director
$428,272
$303,217 from org$60,605 from related$64,450 other
Mark Ashamalla
Radiation Oncology
$395,218
$279,705 from org$56,087 from related$59,426 other
Clare Moran
Radiation Oncology
$186,916
$92,344 from org$61,954 from related$32,618 other
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Revisions to this profile

January 25, 2026:
2023 Stony Brook Radiation Oncology University Faculty Practice Corporation 990 published
January 25, 2026:
2022 Stony Brook Radiation Oncology University Faculty Practice Corporation 990 published
January 25, 2026:
2021 Stony Brook Radiation Oncology University Faculty Practice Corporation 990 published

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