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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 Hospital Inc. Mark Hershey, M.D.

Mark Hershey, M.D.

Highest compensated employee

Chair, Critical CARE at South Shore Hospital Inc.

Fiscal year ended September 30, 2021. Published on January 25, 2026.

$590,860
2021

Total compensation

Mark Hershey, M.D. has been listed as an employee of South Shore Hospital Inc. in Form 990 filings since fiscal year 2019. Total compensation for Mark Hershey, M.D. has decreased by 12.2% from 2019 to 2021.

Annual compensation details

$590,860
-14.9%
Chair, Critical CARE
2021
$573k org
40 hrs/wk
$19k other
--
$694,287
+3.1%
Chair, Critical CARE
2020
$668k org
40 hrs/wk
$27k other
--

Total compensation by year

Compare the compensation of Mark Hershey, M.D. to:

2021

Other employees at South Shore Hospital Inc.

Pamela Whelton
COO Through 8/3/19
$1,597,557
$1,222,264 from orgNo related comp$375,293 other
Stephen Coco
Treasurer and CFO Through 11/12/21
$1,078,140
$702,117 from orgNo related comp$376,023 other
Frederick Millham, M.D.
Chair, Surgery
$1,014,308
$984,869 from orgNo related comp$29,439 other
Rose Dipietro
President/Ceo Through 12/31/20
$812,314
$802,082 from orgNo related comp$10,232 other
Kimberly Dever, M.D.
Director, Chief Ob/Gyn
$812,159
$775,556 from orgNo related comp$36,603 other
Timothy Lynch, M.D.
Chief Medical Officer Through 7/22/22
$762,520
$731,035 from orgNo related comp$31,485 other
Luke O'Connell, M.D.
Chief Clinical Officer
$755,857
$724,372 from orgNo related comp$31,485 other
Jason Tracy, M.D.
Chair, Emergency Services
$695,936
$668,972 from orgNo related comp$26,964 other
Howard Chang, M.D.
Chief, Psychiatry
$654,274
$628,944 from orgNo related comp$25,330 other
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Revisions to this profile

January 25, 2026:
2021 South Shore Hospital Inc. 990 published
January 24, 2026:
2020 South Shore Hospital Inc. 990 published
January 24, 2026:
2019 South Shore Hospital Inc. 990 published

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$673,148
Chair, Critical CARE
2019
$652k org
40 hrs/wk
$22k other
--

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