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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 St Charles Hospital Corp. William Armstrong

William Armstrong

Former

Senior Vice President, Finance at St Charles Hospital Corp.

Fiscal year ended December 31, 2020. Published on January 24, 2026.

$1,925,353
2020

Total compensation

William Armstrong has been listed as an employee of St Charles Hospital Corp. in Form 990 filings since at least fiscal year 2016. Total compensation for William Armstrong has increased by 10.6% from 2016 to 2020.

Annual compensation details

$1,925,353
+74.9%
Senior Vice President, Finance
2020
$1.1M
50 hrs/wk
$856k
--
$1,100,985
+2.4%
Senior Vice President, Finance
2019
$896k
50 hrs/wk
$206k
--
$1,075,582
-3.8%
Senior Vice President, Finance
2018
$869k
50 hrs/wk
$208k
--
$1,118,225
-35.8%
Senior Vice President, Finance
2017
$891k
50 hrs/wk
$228k
--
$1,740,969
Senior Vice President, Finance
2016
$1.6M
--
$189k
--

Total compensation by year

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Revisions to this profile

January 24, 2026:
2020 St Charles Hospital Corp. 990 published
January 24, 2026:
2019 St Charles Hospital Corp. 990 published
January 24, 2026:
2018 St Charles Hospital Corp. 990 published

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2020

Other employees at St Charles Hospital Corp.

Alan D Guerci, M.D.
President and Chief Executive Officer
$2,357,891
$0 $1,900,476 $457,415
Daniel Debarba
Executive Vice President and Chief Financial Officer
$1,529,625
$0 $1,119,150 $410,475
Vlada Frankenburger
Physician
$1,107,769
$1,080,761 No related comp$27,008
Matthew Wagner
Physician
$910,610
$844,212 No related comp$66,398
Anil Sangwan
Physician
$863,476
$823,432 No related comp$40,044
James O'Connor
President/Cao
$814,353
$649,163 No related comp$165,190
Derek Mattimoe
Physician
$721,689
$652,899 No related comp$68,790
Sanjay Sangwan
Physician
$716,397
$689,586 No related comp$26,811
Sunil Dhuper, M.D.
CMO
$427,306
$388,084 No related comp$39,222

Other people named William Armstrong

2020
Employee
William Armstrong
St Charles Hospital Foundation
$1,925,353
Employee
William Armstrong
St Catherine of Siena Medical Center
$1,925,353
Employee
William Armstrong
CHS Services Inc.
$1,925,353
Employee
William C Armstrong
St Francis Research & Educational Corporation Inc.
$1,925,353
Employee
William C Armstrong
Mercy Medical Center
$1,925,353
Employee
William C Armstrong
Good Samaritan Self Insurance Against Malpractice
$1,925,353