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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 John Antes

John Antes

OfficerTrustee/director

President and Chief Executive Officer at Southern Illinois Medical Services NFP

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

$1,049,237
2024

Total compensation

John Antes has been listed as an employee of Southern Illinois Medical Services NFP in Form 990 filings since fiscal year 2023. Total compensation for John Antes has increased by 496.9% from 2023 to 2024.

Annual compensation details

$1,049,237
+496.9%
President and Chief Executive Officer
2024
$921k related
45 hrs/wk
$129k other
--
$175,786
President/Ceo (Start Date 12/12/22)
2023
$176k related
44 hrs/wk

Total compensation by year

Compare the compensation of John Antes 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
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
Warren Ladner
Sr Vp/Cfo/Treasurer
$574,805
$0 from org$483,458 from related$91,347 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

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