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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 Winchester Hospital O'Connor Mary

O'Connor Mary

Highest compensated employee

Physician at Winchester Hospital

Fiscal year ended September 30, 2022. Published on January 25, 2026.

$222,325
2022

Total compensation

O'Connor Mary has been listed as an employee of Winchester Hospital in Form 990 filings since fiscal year 2022.

Annual compensation details

$222,325
Physician
2022
$212k org
55 hrs/wk
$11k other
--

Total compensation by year

Compare the compensation of O'Connor Mary to:

2022

Other employees at Winchester Hospital

Tabb M.D. Kevin
Chief Executive Officer (Ex-Officio)
$5,330,799
$0 from org$5,034,628 from related$296,171 other
Kerndl John
Treasurer ex officio
$1,391,877
$0 from org$1,365,000 from related$26,877 other
Nesto M.D. Richard
Trustee (Ex-Officio), CEO Designate
$1,382,526
$0 from org$1,341,157 from related$41,369 other
Katz Esq Jamie
Clerk (Ex-Officio)
$1,277,891
$0 from org$1,255,848 from related$22,043 other
Fischer Steven P
Former Treasurer (Ex-Officio)
$1,022,055
$0 from org$974,820 from related$47,235 other
Weiner M.D. Richard
Trustee (Ex-Off), President
$628,524
$0 from org$587,272 from related$41,252 other
Woods Matthew
ASST Treasurer (Ex-Off) and CFO, WH
$592,304
$0 from org$527,246 from related$65,058 other
Schuler Kathy Ann
COO and CNO Winchester Hospital
$565,857
$534,793 from orgNo related comp$31,064 other
Breckwoldt M.D. William
Trustee (Ex-Off) PRES MED Staff/Phy
$531,609
$0 from org$530,751 from related$858 other
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Revisions to this profile

January 25, 2026:
2022 Winchester Hospital 990 published

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