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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 Robert Costa Allen

Robert Costa Allen

Former

Former KEY Employee (Cmo) at Mark Twain Medical Center

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

$450,714
2022

Total compensation

Robert Costa Allen has been listed as an employee of Mark Twain Medical Center in Form 990 filings since at least fiscal year 2016. Total compensation for Robert Costa Allen has increased by 74.5% from 2016 to 2022.

Annual compensation details

$450,714
-12.8%
Former KEY Employee (Cmo)
2022
$402k related
50 hrs/wk
$50k other
--
$516,989
+7.3%
Former Chief Medical Officer
2021
$456k related
50 hrs/wk
$62k other
--

Total compensation by year

Compare the compensation of Robert Costa Allen to:

2022

Other employees at Mark Twain Medical Center

Charles Kassis
Chairman (Thru 1/21/22)
$851,172
$0 from org$728,139 from related$123,033 other
Roger P Rogalski, M.D.
Physician
$779,080
$698,887 from orgNo related comp$80,193 other
Douglas P Archer
President and Chief Executive Officer
$693,953
$0 from org$583,658 from related$110,295 other
Daryn Kumar
Chairman (Started 2/1/22)
$678,434
$0 from org$595,017 from related$83,417 other
Isabella Flores-Merritt
Medical Director
$658,345
$584,925 from orgNo related comp$73,420 other
Christopher M Champlin
Director (Thru 11/26/21)
$469,229
$0 from org$438,533 from related$30,696 other
Kathy Kohrman
Director (Started 12/1/21)
$468,623
$0 from org$366,014 from related$102,609 other
Kaitlyn A Khandelwal Gilman
Physician
$461,332
$404,036 from orgNo related comp$57,296 other
Mohamad A Parsa, M.D.
Physician (Thru 1/15/22)
$453,508
$380,138 from orgNo related comp$73,370 other
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Revisions to this profile

January 25, 2026:
2022 Mark Twain Medical Center 990 published
January 25, 2026:
2021 Mark Twain Medical Center 990 published
January 24, 2026:
2020 Mark Twain Medical Center 990 published

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$481,595
-5%
Former Key Employee
2020
$398k related
50 hrs/wk
$85k other
--
$507,141
+6.4%
Former Officer
2019
$427k org
--
$81k other
--
$476,506
+5.9%
Former Key Employee
2018
$414k related
40 hrs/wk
$63k other
--
$449,804
+74.1%
Vice President Clinics
2017
$395k org
40 hrs/wk
$56k other
--
$258,304
Vice President Clinics
2016
$231k org
40 hrs/wk
$28k other
--

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