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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 The William W Backus Hospital Mariano Librojo

Mariano Librojo

Highest compensated employee

Hospitalist at The William W Backus Hospital

Fiscal year ended September 30, 2023. Published on January 25, 2026.

$571,417
2023

Total compensation

Mariano Librojo has been listed as an employee of The William W Backus Hospital in Form 990 filings since fiscal year 2023.

Annual compensation details

$571,417
Hospitalist
2023
$527k org
60 hrs/wk
$46k other
--

Total compensation by year

Compare the compensation of Mariano Librojo to:

2023

Other employees at The William W Backus Hospital

Donna Handley
President and Director
$915,931
$0 from org$850,885 from related$65,046 other
Zhenxiang Liu
Physician
$748,125
$698,724 from orgNo related comp$49,401 other
Richard Goulding
Physician
$535,893
$512,771 from orgNo related comp$23,122 other
Vuk Sotirovic
Hospitalist
$527,277
$473,945 from orgNo related comp$53,332 other
Rommel Geronimo
Hospitalist
$520,110
$486,072 from orgNo related comp$34,038 other
Abbie Courtemanche, M.D.
Vice President, Medical Affairs (Thru 9/23)
$501,304
$0 from org$446,694 from related$54,610 other
Mohammed Qureshi
Vice President, Medical Affairs
$436,126
$378,691 from orgNo related comp$57,435 other
Anthony Mastroianni
Vice President, Finance
$369,037
$0 from org$308,879 from related$60,158 other
Matthew Kaufman
Vice President, Operations
$356,076
$0 from org$302,117 from related$53,959 other
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Revisions to this profile

January 25, 2026:
2023 The William W Backus Hospital 990 published

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Other people named Mariano Librojo

2023
Employee
Mariano Librojo, M.D.
The William W Backus Hospital
$540,955