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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 Tufts Medical Center Group Return Margaret Costello

Margaret Costello

OfficerTrustee/director

Trustee/Coo at Tufts Medical Center Group Return

Fiscal year ended September 30, 2020. Published on January 24, 2026.

$455,419
2020

Total compensation

Margaret Costello has been listed as an employee of Tufts Medical Center Group Return in Form 990 filings since at least fiscal year 2016. Total compensation for Margaret Costello has increased by 71.9% from 2016 to 2020.

Annual compensation details

$455,419
+0.6%
Trustee/Coo
2020
$405k org
40 hrs/wk
$52k other
--
$452,869
+3.5%
Trustee/Coo
2019
$406k org
40 hrs/wk
$48k other
--

Total compensation by year

Compare the compensation of Margaret Costello to:

2020

Other employees at Tufts Medical Center Group Return

Michael Wagner, M.D.
Former Trustee/President/Ceo
$1,770,136
$0 from org$1,608,006 from related$162,130 other
Michael Apkon
Trustee/Ceo/President (Until 09/20)
$1,660,982
$1,587,424 from orgNo related comp$73,558 other
Charles Cassidy
Former Trustee
$1,146,940
$0 from org$1,096,906 from related$50,034 other
Marvin A Konstam, M.D.
Trustee
$843,157
$0 from org$793,123 from related$50,034 other
F Clarrissa Yang, M.D.
Trustee
$761,957
$0 from org$759,822 from related$2,135 other
Kristine M Hanscom
Senior Vp/Treasurer/Cfo/Trustee
$741,375
$640,175 from orgNo related comp$101,200 other
Craig Best, M.D.
President and Chief Executive Officer and Trustee
$738,939
$0 from org$702,057 from related$36,882 other
Deeb N Salem, M.D.
Trustee
$738,729
$0 from org$689,216 from related$49,513 other
Joseph Frolkis, M.D.
President and Chief Executive Officer and Trustee
$716,361
$703,512 from orgNo related comp$12,849 other
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Revisions to this profile

January 24, 2026:
2020 Tufts Medical Center Group Return 990 published
January 24, 2026:
2019 Tufts Medical Center Group Return 990 published
January 24, 2026:
2018 Tufts Medical Center Group Return 990 published

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$437,746
+5.2%
Trustee/Coo
2018
$391k org
40 hrs/wk
$48k other
--
$416,107
+57.1%
President and Chief Executive Officer and Trustee
2017
$374k org
40 hrs/wk
$43k other
--
$264,888
President and Chief Executive Officer and Trustee
2016
$229k org
40 hrs/wk
$37k other
--

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