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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 Mercy Hospital Fort Smith Hennessey III William

Hennessey III William

Former

Former Key Employee at Mercy Hospital Fort Smith

Fiscal year ended June 30, 2021. Published on January 25, 2026.

$725,793
2021

Total compensation

Hennessey III William has been listed as an employee of Mercy Hospital Fort Smith in Form 990 filings since at least fiscal year 2016. Total compensation for Hennessey III William has increased by 124.2% from 2016 to 2021.

Annual compensation details

$725,793
+150.6%
Former Key Employee
2021
$672k
60 hrs/wk
$54k
--
$289,644
-4.1%
Former Key Employee
2020
$240k
60 hrs/wk
$50k
--
$301,924
+3.7%
Former Key Employee
2019
$253k
60 hrs/wk
$50k
--
$291,187
-1.7%
Former Key Employee
2018
$243k
60 hrs/wk
$49k
--
$296,079
-8.6%
Former Key Employee
2017
$247k
60 hrs/wk
$50k
--
$323,769
Reg. Vp-Marketing
2016
$253k
55 hrs/wk
$72k
--

Total compensation by year

Compare the compensation of Hennessey III William to:

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Revisions to this profile

January 25, 2026:
2021 Mercy Hospital Fort Smith 990 published
January 24, 2026:
2020 Mercy Hospital Fort Smith 990 published
January 24, 2026:
2019 Mercy Hospital Fort Smith 990 published

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2021

Other employees at Mercy Hospital Fort Smith

Swope Jon
President -Central Communities
$8,591,850
$0 $8,438,629 $153,221
Gehrig Ryan
Chief Executive Officer
$1,729,252
$0 $1,652,609 $76,643
Reynolds Scott
Former Officer
$1,045,949
$0 $948,096 $97,853
Hubbard Brent
Former Key Employee
$1,044,029
$0 $961,313 $82,716
Marion Tanya
Regional Vice President - Human Resources
$685,231
$0 $623,563 $61,668
Hunton David
President - Clinic
$672,751
$0 $646,091 $26,660
Kiss Csaba
Board Member and Physician
$557,264
$0 $526,966 $30,298
Clayton Justin
Board Member and Physician
$524,089
$0 $501,121 $22,968
Wilcher Greta
Vice President, Finance
$433,626
$0 $388,936 $44,690

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