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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 Illinois State Medical Society Koos Cheryl

Koos Cheryl

Officer

COO (AS of 8/22) at Illinois State Medical Society

Fiscal year ended December 31, 2022. Published on January 25, 2026.

$26,963
2022

Total compensation

Koos Cheryl has been listed as an employee of Illinois State Medical Society in Form 990 filings since fiscal year 2022.

Annual compensation details

$26,963
COO (AS of 8/22)
2022
$27k
22.5 hrs/wk
$1k
--

Total compensation by year

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Revisions to this profile

January 25, 2026:
2022 Illinois State Medical Society 990 published

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2022

Other employees at Illinois State Medical Society

Alexander Lerner
Chief Executive Officer
$333,666
$332,000 No related comp$1,666
Suzanne Nelon
COO (Thru 8/22)
$121,442
$119,234 No related comp$2,208
David A Wichmann
Chief Financial Officer
$78,170
$77,032 No related comp$1,138
Clarence W Brown
President
$63,679
$63,679 No related compNo other comp
Thomas M Anderson
Trustee Chair
$60,618
$60,618 No related compNo other comp