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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 Indiana Jefferson Oncology LLC John G Sisk

John G Sisk

OfficerTrustee/director

Vice President and Assistant Secretary at Indiana Jefferson Oncology LLC

Fiscal year ended June 30, 2024. Published on January 25, 2026.

$321,803
2024

Total compensation

John G Sisk has been listed as an employee of Indiana Jefferson Oncology LLC in Form 990 filings since fiscal year 2020. Total compensation for John G Sisk has increased by 59.4% from 2020 to 2024.

Annual compensation details

$321,803
+16.7%
Vice President and Assistant Secretary
2024
$300k related
39 hrs/wk
$23k other
--
$275,642
+9.2%
Vice President and Assistant Secretary
2023
$258k related
39 hrs/wk
$19k other
--

Total compensation by year

Compare the compensation of John G Sisk to:

2024

Other employees at Indiana Jefferson Oncology LLC

Stephen A Wolfe
President/Ceo and Chairman
$933,558
$0 from org$886,903 from related$46,655 other
Richard Neff, M.D.
CMO and Secretary
$439,767
$0 from org$408,622 from related$31,145 other
Robert A Gongaware
Chief Financial Officer and Treasurer
$361,048
$0 from org$312,538 from related$48,510 other
Michael F Ickowski
Chief Financial Officer
$193,547
$0 from org$193,547 from relatedNo other comp
Daniel D Blough Jr
Former President
$168,639
$0 from org$166,614 from related$2,025 other
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Revisions to this profile

January 25, 2026:
2024 Indiana Jefferson Oncology LLC 990 published
January 25, 2026:
2023 Indiana Jefferson Oncology LLC 990 published
January 25, 2026:
2022 Indiana Jefferson Oncology LLC 990 published

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