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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 Prisma Health-University Medical Group Michael C Riordan

Michael C Riordan

Former

FMR Co-Ceo of PH (END 6/19) at Prisma Health-University Medical Group

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 Prisma Health-University Medical Group in Form 990 filings since fiscal year 2019. Total compensation for Michael C Riordan has decreased by 85.1% from 2019 to 2021.

Annual compensation details

$226,408
-77.9%
FMR Co-Ceo of PH (END 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 Prisma Health-University Medical Group

Mark S O'Halla
President and CEO of Prisma Health
$1,638,039
$0 from org$1,560,326 from related$77,713 other
Charles Kanos
Physician
$1,419,077
$1,314,741 from orgNo related comp$104,336 other
Michael Kissenberth
Physician
$1,337,838
$1,254,987 from orgNo related comp$82,851 other
Keith Lonergan
Physician
$1,321,947
$1,242,652 from orgNo related comp$79,295 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
Charles Darragh
Physician
$1,277,569
$1,204,880 from orgNo related comp$72,689 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
Paul Siffri
Physician
$1,218,358
$1,148,337 from orgNo related comp$70,021 other
Howard P West
Executive Vice President Chief Legal Officer
$1,118,708
$0 from org$1,049,058 from related$69,650 other
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Revisions to this profile

January 25, 2026:
2021 Prisma Health-University Medical Group 990 published
January 24, 2026:
2020 Prisma Health-University Medical Group 990 published
January 24, 2026:
2019 Prisma Health-University Medical Group 990 published

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