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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 South Nassau Communities Hospital Inc. William Allison

William Allison

Officer

Chief Operating Officer (Term 7/23) at South Nassau Communities Hospital Inc.

Fiscal year ended December 31, 2023. Published on January 25, 2026.

$762,618
2023

Total compensation

William Allison has been listed as an employee of South Nassau Communities Hospital Inc. in Form 990 filings since at least fiscal year 2016. Total compensation for William Allison has increased by 33.2% from 2016 to 2023.

Annual compensation details

$762,618
-1.5%
Chief Operating Officer (Term 7/23)
2023
$705k related
36.5 hrs/wk
$59k other
--
$774,135
+3.4%
Chief Operating Officer
2022
$720k org
36.5 hrs/wk
$55k other
--

Total compensation by year

Compare the compensation of William Allison to:

2023

Other employees at South Nassau Communities Hospital Inc.

Kenneth L Davis, M.D.
CEO, Executive VICE Chairman
$7,296,040
$0 from org$7,199,726 from related$96,314 other
Dennis S Charney, M.D.
President, Academic Affairs
$5,525,679
$0 from org$5,471,287 from related$54,392 other
Margaret Pastuszko
Executive Vice President, PRES Health Network
$2,493,286
$0 from org$2,423,803 from related$69,483 other
Stephen Harvey
Executive Vice President SYS CHF Fin&Corp SERV
$2,107,872
$0 from org$2,026,048 from related$81,824 other
Beth Essig, Esq
Executive Vice President, General Counsel, ASST SECR
$1,933,646
$0 from org$1,878,181 from related$55,465 other
Jeffrey Silberstein
Executive Vice President, SYS CAO, ASST SECR
$1,553,403
$0 from org$1,518,747 from related$34,656 other
Rajiv Datta
Physician
$1,550,443
$1,463,610 from orgNo related comp$86,833 other
Kelly Cassano, Do
Executive Vice President, System Ambulatory Operations
$1,312,534
$0 from org$1,267,329 from related$45,205 other
Adhi Sharma
President and Chief Executive Officer and Director
$1,279,826
$0 from org$1,226,563 from related$53,263 other
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Revisions to this profile

January 25, 2026:
2023 South Nassau Communities Hospital Inc. 990 published
January 25, 2026:
2022 South Nassau Communities Hospital Inc. 990 published
January 25, 2026:
2021 South Nassau Communities Hospital Inc. 990 published

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$748,545
-0.9%
Chief Operating Officer
2021
$698k org
36.5 hrs/wk
$51k other
--
$755,372
+17.2%
Chief Operating Officer
2020
$707k org
36.5 hrs/wk
$50k other
--
$644,320
+2.7%
Chief Operating Officer
2019
$620k org
36.5 hrs/wk
$25k other
--
$627,303
+3.4%
Chief Operating Officer
2018
$597k org
36.5 hrs/wk
$31k other
--
$606,754
+6%
Chief Operating Officer
2017
$581k org
37 hrs/wk
$26k other
--
$572,671
Chief Operating Officer
2016
$548k org
36.5 hrs/wk
$25k other
--

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2023
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