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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 Kaiser Foundation Health Plan of the Northwest William Wiechmann

William Wiechmann

Former

Assistant Secretary at Kaiser Foundation Health Plan of the Northwest

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

$749,439
2023

Total compensation

William Wiechmann has been listed as an employee of Kaiser Foundation Health Plan of the Northwest in Form 990 filings since at least fiscal year 2016. Total compensation for William Wiechmann has increased by 29.3% from 2016 to 2023.

Annual compensation details

$749,439
+78%
Assistant Secretary
2023
$600k related
50 hrs/wk
$150k other
--
$421,008
-58.4%
Assistant Secretary
2022
$598k related
50 hrs/wk

Total compensation by year

Compare the compensation of William Wiechmann to:

2023

Other employees at Kaiser Foundation Health Plan of the Northwest

Gregory Adams
Chair and Chief Executive Officer
$12,721,446
$0 from org$12,567,386 from related$154,060 other
Kathryn Lancaster
Executive Vice President and Chief Financial Officer
$5,061,302
$0 from org$4,923,403 from related$137,899 other
Kimberly Horn
Executive Vice President, Group President, MOC
$4,751,551
$0 from org$4,617,356 from related$134,195 other
Janet Liang
Executive Vice President, Group President and COO
$4,507,213
$0 from org$4,417,378 from related$89,835 other
Arthur Southam
Executive Vice President, Health Plan Ops and CGO
$3,794,812
$0 from org$3,776,237 from related$18,575 other
Ruth Williams-Brinkley
Regional President
$3,418,616
$0 from org$3,418,616 from relatedNo other comp
Mark Zemelman
Senior Vice President and General Counsel and Secretary
$2,494,194
$0 from org$1,833,838 from related$660,356 other
Vanessa Benavides
Svp,Chief Legal Officer and Secy
$2,100,570
$0 from org$1,792,455 from related$308,115 other
Jeffrey Collins
Regional President - NW
$2,084,147
$0 from org$1,956,975 from related$127,172 other
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Revisions to this profile

January 25, 2026:
2023 Kaiser Foundation Health Plan of the Northwest 990 published
January 25, 2026:
2022 Kaiser Foundation Health Plan of the Northwest 990 published
January 25, 2026:
2021 Kaiser Foundation Health Plan of the Northwest 990 published

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$1,011,483
+25.9%
Assistant Secretary
2021
$858k related
50 hrs/wk
$154k other
--
$803,591
-17.7%
Assistant Secretary
2020
$577k related
50 hrs/wk
$227k other
--
$976,094
+54.2%
Assistant Secretary
2019
$671k related
50 hrs/wk
$306k other
--
$633,082
-15.3%
Assistant Secretary
2018
$533k related
1.5 hrs/wk
$101k other
--
$747,270
+28.9%
Assistant Secretary
2017
$520k related
1 hr/wk
$228k other
--
$579,647
Assistant Secretary
2016
$418k related
--
$162k other
--

Other people named William Wiechmann

2023
Employee
William Wiechmann
Kaiser Foundation Health Plan of the Mid-Atlantic States Inc.
$780,266
Employee
William Wiechmann
Kfhpw Holdings
$749,439
Board Member
William N Wiechmann
Montgomery County Chamber of Commerce
$0