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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 Cambridge Health Alliance Physicians Organization Inc. Sivamainthan Vithiananthan, M.D.

Sivamainthan Vithiananthan, M.D.

Key employee

Chief of Service, Surgery at Cambridge Health Alliance Physicians Organization Inc.

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

$628,041
2023

Total compensation

Sivamainthan Vithiananthan, M.D. has been listed as an employee of Cambridge Health Alliance Physicians Organization Inc. in Form 990 filings since fiscal year 2022. Total compensation for Sivamainthan Vithiananthan, M.D. has increased by 63.8% from 2022 to 2023.

Annual compensation details

$628,041
+63.8%
Chief of Service, Surgery
2023
$574k
55 hrs/wk
$55k
--
$383,466
Chief of Service, Surgery
2022
$356k
55 hrs/wk
$29k
--

Total compensation by year

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Revisions to this profile

January 25, 2026:
2023 Cambridge Health Alliance Physicians Organization Inc. 990 published
January 25, 2026:
2022 Cambridge Health Alliance Physicians Organization Inc. 990 published

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2023

Other employees at Cambridge Health Alliance Physicians Organization Inc.

Assaad J Sayah, M.D.
President and Trustee
$1,009,363
$0 $959,263 $50,100
Tony Leung
Physician
$777,434
$730,265 No related comp$47,169
Jason Freedman, M.D.
Physician
$703,419
$655,819 No related comp$47,600
Carol Hulka, M.D.
Physician
$688,848
$638,262 No related comp$50,586
Deepak Thatai, M.D.
Physician
$681,424
$633,848 No related comp$47,576
Jill Batty
Treasurer and Trustee
$600,617
$0 $549,272 $51,345
David Wing
Medical Director
$593,468
$580,950 No related comp$12,518
Vincent James Patalano II, M.D.
Physician - Former
$553,364
$505,687 No related comp$47,677
Joy Curtis
Senior Vice President, Human Resources
$431,536
$0 $381,168 $50,368

Other people named Sivamainthan Vithiananthan, M.D.

2023
Board Member
Sivamainthan Vithiananthan
International College of Surgeons United States Section
$0