Compensation 990

Group Health Cooperative of South Central WI

Fiscal year ending 2024. Filed on November 3, 2025.

1265 John Q Hammons Drive
Madison, Wisconsin 53717

Group Health Cooperative of South Central WI (EIN: 39-1199466) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Group Health Cooperative of South Central WI, a 501(c)(3) charitable organization, reported compensation for 18 out of 910 total employees. Among the employees shown here, the average compensation is $365,245. The highest compensated employee at Group Health Cooperative of South Central WI is Mark Huth with fiscal year 2024 compensation of $701,216.

Revenue, expenses, and employee compensation

Revenue

$518,144,018

Expenses

$503,382,472

Employee compensation

$82,836,045
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

＋12.0%vs 2023
Mark Huth
Chief Executive Officer
$701,216
$640,640 from orgNo related comp$60,576 other
＋21.2%vs 2023
Christian Kastman, M.D.
Chief Medical Officer
$571,430
$517,756 from orgNo related comp$53,674 other
＋3.8%vs 2023
Kristopher Denby, M.D.
Chief Dermatologist;Board Member
$546,929
$497,142 from orgNo related comp$49,787 other
＋15.8%vs 2023
Bruce Quade
Chief Financial Officer
$485,320
$432,593 from orgNo related comp$52,727 other
＋5.1%vs 2023
Laurence Trueman, M.D.
Psychiatrist
$389,040
$339,037 from orgNo related comp$50,003 other
New in 2024
Alison Craig- Shasko, M.D.
Chief of Staff
$385,771
$335,353 from orgNo related comp$50,418 other
＋17.5%vs 2023
Marty Anderson
Chief Strategy and BUS DEV
$383,905
$339,046 from orgNo related comp$44,859 other
＋1.1%vs 2023
Erin Honig, M.D.
MED Director - Clinic OPS
$376,936
$326,753 from orgNo related comp$50,183 other
＋4.3%vs 2023
Eric Hilquist
MED Director - Primary CARE
$375,056
$320,640 from orgNo related comp$54,416 other
＋1.0%vs 2023
Carleen Oakley, M.D.
MED Director - Behav HLTH
$362,220
$340,389 from orgNo related comp$21,831 other
New in 2024
Brenda Nishizawa
Assoc. MED Director - CARE MGMT
$358,559
$310,930 from orgNo related comp$47,629 other
＋13.1%vs 2023
Annette Fox
Chief Information Officer
$329,679
$292,745 from orgNo related comp$36,934 other

Non-Employee Board Members

－14.2%vs 2023
Ann Hoyt
President
$30,000
$30,000 from orgNo related compNo other comp
－16.7%vs 2023
William Oemichen
Treasurer (Thru 6/2024)
$20,833
$20,833 from orgNo related compNo other comp
＋477.7%vs 2023
Andrew Turner
Treasurer (AS of 6/2024)
$11,052
$11,052 from orgNo related compNo other comp
－13.0%vs 2023
Nannette Schiller Hensen
Board Member
$10,328
$10,328 from orgNo related compNo other comp
＋8.7%vs 2023
Colleen Gullickson
Vice President
$9,563
$9,563 from orgNo related compNo other comp
＋14.3%vs 2023
Courtney S Hayward
Board Member
$9,180
$9,180 from orgNo related compNo other comp
＋500%vs 2022
Chassiti Clark
Board Member
$9,180
$9,180 from orgNo related compNo other comp
＋11.1%vs 2023
Judy Ziewacz
Secretary (AS of 7/2024)
$7,650
$7,650 from orgNo related compNo other comp
－48.7%vs 2023
Richard Lavigne
Board Member (Thru 11/2024)
$4,973
$4,973 from orgNo related compNo other comp
New in 2024
Dimitri Yatsenko
Board Member (AS of 6/2024)
$2,295
$2,295 from orgNo related compNo other comp
New in 2024
Ross Putman
Board Member (AS of 11/2024)
No compensation reported

Mission Statement

MISSION: WE PARTNER WITH MEMBERS AND THE COMMUNITIES WE SERVE TO MAXIMIZE HEALTH AND WELL-BEING. (CONTINUED ON SCHEDULE O)

Revisions to this organization profile

November 3, 2025:
2024 Group Health Cooperative of South Central WI 990 filed
November 4, 2024:
2023 Group Health Cooperative of South Central WI 990 filed
November 1, 2023:
2022 Group Health Cooperative of South Central WI 990 filed

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