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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 Mass General Brigham Incorporated & Affiliates Group Return Heather M O'Sullivan, Ms

Heather M O'Sullivan, Ms

OfficerTrustee/director

Unspecified at Mass General Brigham Incorporated & Affiliates Group Return

Fiscal year ended September 30, 2024. Published on January 25, 2026.

$1,058,086
2024

Total compensation

Heather M O'Sullivan, Ms has been listed as an employee of Mass General Brigham Incorporated & Affiliates Group Return in Form 990 filings since fiscal year 2023. Total compensation for Heather M O'Sullivan, Ms has increased by 59.3% from 2023 to 2024.

Annual compensation details

$1,058,086
+59.3%
Unspecified
2024
$998k
--
$61k
--
$664,408
Unspecified
2023
$661k
--
$4k
--

Total compensation by year

Compare the compensation of Heather M O'Sullivan, Ms to:

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Revisions to this profile

January 25, 2026:
2024 Mass General Brigham Incorporated & Affiliates Group Return 990 published
January 25, 2026:
2023 Mass General Brigham Incorporated & Affiliates Group Return 990 published

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2024

Other employees at Mass General Brigham Incorporated & Affiliates Group Return

Ron M Walls, M.D.
Unspecified
$3,210,923
$0 $3,145,963 $64,960
Gregg S Meyer M.D. Msc
Unspecified
$2,844,617
$0 $2,777,857 $66,760
Theresa A Hadlock, M.D.
Unspecified
$2,841,349
$2,795,725 No related comp$45,624
James D Kang, M.D.
Unspecified
$2,325,501
$2,247,678 No related comp$77,823
Niyum Gandhi
Unspecified
$2,323,582
$0 $2,275,225 $48,357
David F M Brown, M.D., Facep
Unspecified
$2,289,390
$0 $2,222,726 $66,664
E Antonio Chiocca, M.D., Ph.D.
Unspecified
$2,214,184
$2,136,360 No related comp$77,824
William G Austen Jr, M.D.
Unspecified
$2,207,962
$2,133,145 No related comp$74,817
Robert S D Higgins M.D. Msha
Unspecified
$2,180,859
$0 $2,116,181 $64,678

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