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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 Mather Health System Inc. John R Sini

John R Sini

Treasurer at Mather Health System Inc.

Fiscal year ended December 31, 2022. Published on January 25, 2026.

$0
2022

Total compensation

John R Sini has been listed as an employee of Mather Health System Inc. in Form 990 filings since fiscal year 2020.

Annual compensation details

$0
Treasurer
2022
$0
Treasurer
2021
$0
Treasurer
2020

Compare the compensation of John R Sini to:

2022

Other employees at Mather Health System Inc.

Marvin Colson
Director
$0
Harold Tranchon Jr
Vice Chair
$0
Maritza Groth, M.D.
Member at-large
$0
Debra Engelhardt
Director
$0
Stephen Bello
Director
$0
Nicole Christian
Director
$0
James Danowski
Director
$0
Mohammad Bilal, M.D.
Vice President - Med Staff
$0
Tara Scully
Director
$0
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Revisions to this profile

January 25, 2026:
2022 Mather Health System Inc. 990 published
January 25, 2026:
2021 Mather Health System Inc. 990 published
January 24, 2026:
2020 Mather Health System Inc. 990 published

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