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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 South Shore Medical Center Inc. Mary Shaughnessy

Mary Shaughnessy

Former

Former Treas. and CFO THRU 6/13/22 at South Shore Medical Center Inc.

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

$499,538
2023

Total compensation

Mary Shaughnessy has been listed as an employee of South Shore Medical Center Inc. in Form 990 filings since fiscal year 2022. Total compensation for Mary Shaughnessy has increased by 987.7% from 2022 to 2023.

Annual compensation details

$499,538
+987.7%
Former Treas. and CFO THRU 6/13/22
2023
$500k related
--
$45,925
Treas. and CFO 11/13/21 THRU 6/13/22
2022
$46k related
44 hrs/wk

Total compensation by year

Compare the compensation of Mary Shaughnessy to:

2023

Other employees at South Shore Medical Center Inc.

Allen Smith, M.D.
President and Chief Executive Officer
$1,128,299
$0 from org$944,596 from related$183,703 other
Kimberly Dever, M.D.
Director, Chief Ob/Gyn
$799,853
$0 from org$760,671 from related$39,182 other
Sergio Fefer, M.D.
Physician
$789,736
$756,033 from orgNo related comp$33,703 other
Young Kim, M.D.
Physician
$709,508
$683,128 from orgNo related comp$26,380 other
Steven Starr, M.D.
Physician
$636,933
$609,897 from orgNo related comp$27,036 other
Matthew Hjort, M.D.
Physician
$630,339
$596,636 from orgNo related comp$33,703 other
Keith Tracy, M.D.
Physician
$567,286
$533,583 from orgNo related comp$33,703 other
David Halle, M.D.
Ambulatory Medical Director
$528,335
$494,632 from orgNo related comp$33,703 other
Joseph R Driscoll, Esq
Secretary
$466,983
$0 from org$433,280 from related$33,703 other
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Revisions to this profile

January 25, 2026:
2023 South Shore Medical Center Inc. 990 published
January 25, 2026:
2022 South Shore Medical Center Inc. 990 published

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