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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 Greenville Health Corporation Michael C Riordan

Michael C Riordan

Former

Former Co-Ceo of PH (TO 6/19) at Greenville Health Corporation

Fiscal year ended September 30, 2021. Published on January 25, 2026.

$226,408
2021

Total compensation

Michael C Riordan has been listed as an employee of Greenville Health Corporation in Form 990 filings since fiscal year 2017. Total compensation for Michael C Riordan has decreased by 51.7% from 2017 to 2021.

Annual compensation details

$226,408
-77.9%
Former Co-Ceo of PH (TO 6/19)
2021
$168k related
--
$59k other
--
$1,023,387
-32.6%
Former Co-Ceo of Prisma Health (Until 5/19)
2020
$940k related
--
$84k other
--

Total compensation by year

Compare the compensation of Michael C Riordan to:

2021

Other employees at Greenville Health Corporation

Mark S O'Halla
President and CEO of Prisma Health
$1,638,039
$0 from org$1,560,326 from related$77,713 other
Gregory J Rusnak
Executive Vice President and Chief Operating Officer
$1,290,760
$0 from org$1,154,593 from related$136,167 other
Angelo Sinopoli, M.D.
Executive Vice President Chief Clinical Officer
$1,237,810
$0 from org$1,016,868 from related$220,942 other
Howard P West
Executive Vice President Chief Legal Officer
$1,118,708
$0 from org$1,049,058 from related$69,650 other
David Williams, M.D.
Former CEO, Prisma Health MED Group
$1,058,667
$0 from org$970,489 from related$88,178 other
Rich Rogers
Senior Vice President and Chief Information Officer
$935,955
$0 from org$858,437 from related$77,518 other
Scott Sasser, M.D.
MD, CEO, Prisma Health Medical Group
$924,666
$0 from org$841,634 from related$83,032 other
Amy Linsin
Executive Vice President Chief HR and Diversity OFF
$896,995
$0 from org$849,830 from related$47,165 other
Michael T Burke
President, Evp-Cfo
$850,127
$0 from org$801,170 from related$48,957 other
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Revisions to this profile

January 25, 2026:
2021 Greenville Health Corporation 990 published
January 24, 2026:
2020 Greenville Health Corporation 990 published
January 24, 2026:
2019 Greenville Health Corporation 990 published

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$1,518,001
-21.9%
Co-Ceo of Prisma Health (Until 5/19)
2019
$1.4M related
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$88k other
--
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2018
$1.9M related
40 hrs/wk
$82k other
--
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2017
$444k related
40 hrs/wk
$26k other
--

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