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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 Midmichigan Medical Center Gratiot Michael Stack, M.D.

Michael Stack, M.D.

Highest compensated employee

Physician at Midmichigan Medical Center Gratiot

Fiscal year ended June 30, 2019. Published on January 24, 2026.

$380,769
2019

Total compensation

Michael Stack, M.D. has been listed as an employee of Midmichigan Medical Center Gratiot in Form 990 filings since fiscal year 2017. Total compensation for Michael Stack, M.D. has increased by 5.2% from 2017 to 2019.

Annual compensation details

$380,769
+5.4%
Physician
2019
$366k org
50 hrs/wk
$15k other
--
$361,154
-0.2%
Physician
2018
$345k org
50 hrs/wk
$17k other
--

Total compensation by year

Compare the compensation of Michael Stack, M.D. to:

2019

Other employees at Midmichigan Medical Center Gratiot

Donna Rapp
Senior Vice President and Secretary
$1,061,099
$0 from org$566,427 from related$494,672 other
Greg Rogers
Director
$934,228
$0 from org$668,805 from related$265,423 other
Francine Padgett
Senior Vice President and Chief Financial Officer
$749,106
$0 from org$560,770 from related$188,336 other
Kurt Anderson, Do
Physician
$537,410
$512,057 from orgNo related comp$25,353 other
Marita Hattem-Schiffman
President
$393,499
$0 from org$331,652 from related$61,847 other
Arturas Klugas, M.D.
Physician
$297,163
$268,883 from orgNo related comp$28,280 other
Mary Slominis, M.D.
Physician
$271,125
$270,081 from orgNo related comp$1,044 other
Robin Whitmore
Vice President, Nursing
$264,247
$251,251 from orgNo related comp$12,996 other
Donald Prouty
Physician
$235,391
$217,744 from orgNo related comp$17,647 other
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Revisions to this profile

January 24, 2026:
2019 Midmichigan Medical Center Gratiot 990 published
January 24, 2026:
2018 Midmichigan Medical Center Gratiot 990 published
January 24, 2026:
2017 Midmichigan Medical Center Gratiot 990 published

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$362,052
Physician
2017
$345k org
50 hrs/wk
$18k other
--