Medical Services Inc.

Fiscal year ending 2025. Filed on November 10, 2025.

11040 N State Road 77
Hayward, Wisconsin 54843

Medical Services Inc. (EIN: 39-1536207), also known as Tamarack Health Hayward Medical Center, has filed an IRS Form 990 since fiscal year 2017. In its fiscal year 2025 IRS Form 990 filing, Medical Services Inc., a 501(c)(3) charitable organization, reported compensation for 10 out of 646 total employees. Among the employees shown here, the average compensation is $696,109. The highest compensated employee at Medical Services Inc. is Jason Douglas with fiscal year 2025 compensation of $1,283,964. Medical Services Inc. changed its name from Medical Services Inc. D/B/a Hayward Area Memorial Hospital in 2024.

Revenue, expenses, and employee compensation

Revenue

$98,267,512

Expenses

$88,788,815

Employee compensation

$50,855,691

Reported Compensated Employees

Jason Douglas

Former President (DIR and Officer)

$1,283,964

$0 $1,228,098 $55,866

Brian Donahue

Physician

$1,072,930

$1,007,185 No related comp$65,745

Paul Tonkin

Physician

$932,284

$867,475 No related comp$64,809

David Lynn

Physician

$703,190

$636,434 No related comp$66,756

Luke Beirl

Director/Ceo-Msi/Interim Pres-Rei

$651,787

$581,241 No related comp$70,546

Sarah Fowler

Physician

$650,316

$584,994 No related comp$65,322

Matthew Vincent

CRNA

$535,425

$470,015 No related comp$65,410

Kent Dumonseau

CFO - REI

$534,130

$0 $475,431 $58,699

Heather Sheehan

Chief Operating Officer

$302,263

$243,282 No related comp$58,981

Aindrea Lindsay

CCO

$294,796

$236,600 No related comp$58,196

Non-Employee Board Members

Dodson Thompson, Do

Director/Chief of Staff

Harry Malcolm, M.D.

Stacey McKinney

Contractors

Market & Johnson

Contractor for Building Projects

Regional Enterprises Inc.

Medical Solutions

Travel Staffing

Kbk Services Inc.

Contractor for Building Projects

Shared Medical Technology

Mission Statement

IMPROVE THE HEALTH AND WELLBEING FOR THE PEOPLE OF OUR REGION.

Revisions to this organization profile

December 9, 2025:

Amended 2024 Medical Services Inc. 990 filed

November 10, 2025:

2025 Medical Services Inc. 990 filed

October 31, 2023:

2023 Medical Services Inc. 990 filed

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