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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 Affiliated Medical Services Tien Ko, M.D.

Tien Ko, M.D.

Trustee/director

Trustee - UT (Until 10/2017) at Affiliated Medical Services

Fiscal year ended June 30, 2018. Published on January 24, 2026.

$708,139
2018

Total compensation

Tien Ko, M.D. has been listed as an employee of Affiliated Medical Services in Form 990 filings since at least fiscal year 2016. Total compensation for Tien Ko, M.D. has increased by 16.8% from 2016 to 2018.

Annual compensation details

$708,139
Trustee - UT (Until 10/2017)
2018
$641k
40 hrs/wk
$68k
--
$606,161
Trustee - UT
2016
$548k
40 hrs/wk
$60k
--

Total compensation by year

Compare the compensation of Tien Ko, M.D. to:

Revisions to this profile

January 24, 2026:
2018 Affiliated Medical Services 990 published
January 24, 2026:
2016 Affiliated Medical Services 990 published

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2018

Other employees at Affiliated Medical Services

Todd Rosengart, M.D.
Chair/Trustee - BCM
$1,495,425
$0 $1,298,445 $196,980
Richard J Andrassy, M.D.
Trustee - UT (AS of 10/2017)
$947,577
$0 $863,260 $84,317
Yvonne I Chu, M.D., Mba
Assistant General Director,Ams
$574,831
$0 $538,451 $36,380
Stephen B Greenberg, M.D.
Trustee - BCM
$563,057
$0 $526,521 $36,536
Roger Zoorob, M.D., Mph
Trustee - BCM
$528,430
$0 $492,207 $36,223
Glorimar Medina-Rivera
Trustee - UT (Until 2/2018)
$401,219
$0 $368,684 $32,535
John Riggs, M.D.
VICE Chair/Trustee - UT
$400,292
$0 $356,625 $43,667
Jose Garcia, M.D., Mba
General Director, AMS
$367,710
$0 $328,820 $38,890
Marylee Kott, M.D.
Trustee - UT (Until 10/2017)
$150,884
$0 $138,015 $12,869