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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 Southern Illinois Medical Services NFP Warren Ladner

Warren Ladner

OfficerTrustee/director

Sr Vp/Cfo/Treasurer at Southern Illinois Medical Services NFP

Fiscal year ended March 31, 2024. Published on January 25, 2026.

$574,805
2024

Total compensation

Warren Ladner has been listed as an employee of Southern Illinois Medical Services NFP in Form 990 filings since fiscal year 2023. Total compensation for Warren Ladner has decreased by 1.8% from 2023 to 2024.

Annual compensation details

$574,805
-1.8%
Sr Vp/Cfo/Treasurer
2024
$484k related
45 hrs/wk
$92k other
--
$585,238
Sr Vp/Cfo/Treasurer
2023
$531k related
44 hrs/wk
$55k other
--

Total compensation by year

Compare the compensation of Warren Ladner to:

2024

Other employees at Southern Illinois Medical Services NFP

Nader Dababneh, M.D.
Physician
$1,414,199
$1,333,909 from orgNo related comp$80,290 other
Gerson Criste, M.D.
Physician
$1,389,545
$1,307,982 from orgNo related comp$81,563 other
Gordon Chu
Physician
$1,096,330
$1,050,838 from orgNo related comp$45,492 other
Russell McElveen
Physician
$1,050,600
$952,593 from orgNo related comp$98,007 other
John Antes
President and Chief Executive Officer
$1,049,237
$0 from org$920,791 from related$128,446 other
Hal Lewis
Physician
$1,045,473
$992,762 from orgNo related comp$52,711 other
Marci L Moore-Connelley, M.D.
SR Vp/Cmo
$678,961
$0 from org$587,343 from related$91,618 other
Darrell Bryant
Vp/Coo SIMS (Partial Year)
$586,823
$567,384 from orgNo related comp$19,439 other
Todd Guenzburger
Former Officer
$567,873
$0 from org$523,815 from related$44,058 other
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Revisions to this profile

January 25, 2026:
2024 Southern Illinois Medical Services NFP 990 published
January 25, 2026:
2023 Southern Illinois Medical Services NFP 990 published
January 25, 2026:
2022 Southern Illinois Medical Services NFP 990 published

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