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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 Mercy Health Services Iowa Corp. Thoo Tan

Thoo Tan

Highest compensated employee

Physician, Obgyn North IOWA at Mercy Health Services Iowa Corp.

Fiscal year ended June 30, 2022. Published on January 25, 2026.

$940,026
2022

Total compensation

Thoo Tan has been listed as an employee of Mercy Health Services Iowa Corp. in Form 990 filings since fiscal year 2022.

Annual compensation details

$940,026
Physician, Obgyn North IOWA
2022
$885k org
50 hrs/wk
$56k other
--

Total compensation by year

Compare the compensation of Thoo Tan to:

2022

Other employees at Mercy Health Services Iowa Corp.

Stilianos Efstratiadis
Physician, Cardiologist Sioux CITY
$2,870,982
$0 from org$2,852,548 from related$18,434 other
Linda Ross
DIR; Chief Legal Officer Trinity
$1,413,042
$0 from org$1,331,598 from related$81,444 other
Yen Liu
Physician, Dermatology North IOWA
$1,352,803
$1,307,880 from orgNo related comp$44,923 other
Michael Faust
Physician, Obgyn North IOWA
$1,142,490
$1,088,585 from orgNo related comp$53,905 other
Giovanni Ciuffo
Physician, Cardiologist Sioux CITY
$1,074,839
$0 from org$1,031,945 from related$42,894 other
Beth Hughes
President Mercyone Siouxland
$859,212
$0 from org$721,607 from related$137,605 other
Rodney Schlader
President/Ceo Mercyone North IOWA
$784,689
$0 from org$720,887 from related$63,802 other
Kay Takes
President Eastern IOWA Region
$678,916
$0 from org$620,231 from related$58,685 other
Paul Manternach
Senior Vice President PHYS Integration/Cmo North IOWA
$547,277
$0 from org$486,586 from related$60,691 other
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Revisions to this profile

January 25, 2026:
2022 Mercy Health Services Iowa Corp. 990 published

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