Former Co-CEO of Prisma Health (until 5/31/19) at Prisma Health - Upstate. Listed as an officer, director, or key employee across 6 organizations on the Form 990 record.
Ambiguous identityThis name matches 2 other individuals we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
6
Roles reported
6
Reported compensation
$1.3M
Others who share this name
2
Who this is
Profile
Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.
✓ Verified from filings
●
Reported as Former Co-CEO of Prisma Health (until 5/31/19) of Prisma Health - Upstate, based in Greenville, SC.
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Received $1.3M in total reported compensation on the most recent Form 990 (Part VII).
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Also listed as Fmr Co-CEO of Prisma Health(to 6/19) of Prisma Health — $168K.
Facts extracted directly from each organization's Form 990, Part VII.
Biography Web-sourced
Michael C. Riordan became President and CEO of Premier Health in Dayton, Ohio in January 2022, marking the first external CEO leader since the health system's formation in 1995.
With nearly 20 years of CEO experience at major health systems including University of Chicago Medical Center and Greenville Health System/Prisma Health, he is committed to a five-year tenure through Q1 2027.
Compiled from public web sources (5 cited), grounded to the filed record.
Track record
Career & tenure
Real tenure, career, and education — from public web sources, what you need to vet a founder or leader beyond the filing window.
Tenure here
Premier Health (2022-2027)
Affiliations
Organizations
Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.
Prisma Health - UpstateFormer Co-CEO of Prisma Health (until 5/31/19) · $2.9B revenue · Greenville, SCINSPIRE HEALTH. SERVE WITH COMPASSION. BE THE DIFFERENCE.Filed FY2022 · Source: Form 990, Part VII
$1.1Mreported comp
P
Prisma HealthFmr Co-CEO of Prisma Health(to 6/19) · $125.8M revenue · Greenville, SCINSPIRE HEALTH. SERVE WITH COMPASSION. BE THE DIFFERENCE.pay $940K → $168KFiled FY2020 · Source: Form 990, Part VII
$168Kreported comp
P
Prisma Health-University Medical GroupFmr. Co-CEO of Ph (end 6/19) · $658.0M revenue · Greenville, SCINSPIRE HEALTH. SERVE WITH COMPASSION. BE THE DIFFERENCE.Filed FY2020 · Source: Form 990, Part VII
Prisma Health-MidlandsFormer Co-CEO of Ph (to 6/19) · $1.5B revenue · Greenville, SCINSPIRE HEALTH. SERVE WITH COMPASSION. BE THE DIFFERENCE.Filed FY2020 · Source: Form 990, Part VII
G
Greenville Health CorporationFormer Co-CEO of Ph (to 6/19) · $120.7M revenue · Greenville, SCINSPIRE HEALTH. SERVE WITH COMPASSION. BE THE DIFFERENCE.Filed FY2020 · Source: Form 990, Part VII
Prisma Health TuomeyFmr Co-CEO of Ph (until 6/19) · $192.1M revenue · Greenville, SCINSPIRE HEALTH. SERVE WITH COMPASSION. BE THE DIFFERENCE.Filed FY2020 · Source: Form 990, Part VII
Disambiguation
Other people named Michael C Riordan
Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.
Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org
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