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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 Mark Twain Medical Center Ermenegildo Eld Frezza

Ermenegildo Eld Frezza

Highest compensated employee

Physician at Mark Twain Medical Center

Fiscal year ended June 30, 2020. Published on January 24, 2026.

$505,050
2020

Total compensation

Ermenegildo Eld Frezza has been listed as an employee of Mark Twain Medical Center in Form 990 filings since fiscal year 2019. Total compensation for Ermenegildo Eld Frezza has increased by 66.5% from 2019 to 2020.

Annual compensation details

$505,050
+66.5%
Physician
2020
$430k org
50 hrs/wk
$76k other
--
$303,367
Physician
2019
$269k org
40 hrs/wk
$35k other
--

Total compensation by year

Compare the compensation of Ermenegildo Eld Frezza to:

2020

Other employees at Mark Twain Medical Center

Charles Kassis
Chair
$797,219
$0 from org$687,831 from related$109,388 other
Randall Ross
Vice Chair
$675,196
$0 from org$574,175 from related$101,021 other
Roger P Rogalski, M.D.
Physician
$666,403
$570,915 from orgNo related comp$95,488 other
Christopher M Champlin
Board Member
$510,859
$0 from org$439,281 from related$71,578 other
Robert Costa Allen
Former Key Employee
$481,595
$0 from org$397,437 from related$84,158 other
Mohamad A Parsa, M.D.
Physician
$464,256
$377,409 from orgNo related comp$86,847 other
Lonnie Smith, M.D.
CMO (Thru 6/7/19)
$426,618
$390,474 from orgNo related comp$36,144 other
Andrew McCoy, M.D.
Physician
$400,976
$332,384 from orgNo related comp$68,592 other
Douglas P Archer
President and Chief Executive Officer
$326,463
$0 from org$271,044 from related$55,419 other
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Revisions to this profile

January 24, 2026:
2020 Mark Twain Medical Center 990 published
January 24, 2026:
2019 Mark Twain Medical Center 990 published

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