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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 Neurology Associates of Stony Brook University Faculty Practice Corp Agnieszka Kowalska

Agnieszka Kowalska

Highest compensated employee

Neurologist at Neurology Associates of Stony Brook University Faculty Practice Corp

Fiscal year ended June 30, 2023. Published on January 25, 2026.

$381,950
2023

Total compensation

Agnieszka Kowalska has been listed as an employee of Neurology Associates of Stony Brook University Faculty Practice Corp in Form 990 filings since at least fiscal year 2016. Total compensation for Agnieszka Kowalska has increased by 38.2% from 2016 to 2023.

Annual compensation details

$381,950
-6.9%
Neurologist
2023
$258k
40 hrs/wk
$72k
10 hrs/wk
$53k
--
$410,184
+8.8%
Neurologist
2022
$284k
40 hrs/wk
$71k
10 hrs/wk
$57k
--
$377,070
+6.5%
Neurologist
2021
$263k
40 hrs/wk
$68k
10 hrs/wk
$47k
--
$353,917
+0.8%
Neurologist
2020
$243k
40 hrs/wk
$68k
10 hrs/wk
$44k
--
$351,210
+3.7%
Neurologist
2019
$242k
40 hrs/wk
$67k
10 hrs/wk
$44k
--
$338,832
+9.1%
Neurologist
2018
$238k
40 hrs/wk
$63k
10 hrs/wk
$40k
--
$310,450
+12.3%
Neurologist
2017
$213k
40 hrs/wk
$63k
10 hrs/wk
$36k
--
$276,374
Neurologist
2016
$186k
50 hrs/wk
$61k
--
$31k
--

Total compensation by year

Compare the compensation of Agnieszka Kowalska to:

Revisions to this profile

January 25, 2026:
2023 Neurology Associates of Stony Brook University Faculty Practice Corp 990 published
January 25, 2026:
2022 Neurology Associates of Stony Brook University Faculty Practice Corp 990 published
January 25, 2026:
2021 Neurology Associates of Stony Brook University Faculty Practice Corp 990 published

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2023

Other employees at Neurology Associates of Stony Brook University Faculty Practice Corp

Marc Halterman
President and Director
$775,777
$414,661 $280,102 $81,014
Patricia Coyle
Former Officer
$435,020
$108,924 $250,717 $75,379
Dennis Choi
Former Officer
$433,038
$191,239 $177,061 $64,738
Louis Manganas
Director
$432,386
$310,753 $68,628 $53,005
Michael Guido
Treasurer and Secretary and Director
$340,353
$191,643 $89,527 $59,183
Jason Mathew
Neurologist
$334,526
$224,500 $57,126 $52,900
Jill Miller Horn
Neurologist
$328,697
$213,511 $66,530 $48,656
Kamil Stefanowski
Neurologist
$323,415
$219,617 $56,054 $47,744
Alison Caruan
Neurologist
$323,415
$219,617 $56,054 $47,744