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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 Mission Hospital Inc. Dr William Hathaway

Dr William Hathaway

Former Chief Medical Officer at Mission Hospital Inc.

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

$439,829
2020

Total compensation

Dr William Hathaway has been listed as an employee of Mission Hospital Inc. in Form 990 filings since at least fiscal year 2016. Total compensation for Dr William Hathaway has decreased by 11.9% from 2016 to 2020.

Annual compensation details

$439,829
Former Chief Medical Officer
2020
$428k org
--
$12k other
--
$499,281
Hospitalchiefmedicalofficer
2016
$393k org
48 hrs/wk
$107k other
--

Total compensation by year

Compare the compensation of Dr William Hathaway to:

2020

Other employees at Mission Hospital Inc.

Ronald A Paulus, M.D.
Former System PRES and CEO
$1,502,295
$1,471,815 from org—$30,480 other
Dr Jill Hoggard Green
Former Senior Vice President and COO
$677,298
$659,269 from org—$18,029 other
Marc Malloy
Former Senior Vice President Mission Health SLTN
$447,332
$437,572 from org—$9,760 other
Paul McDowell
Former Senior Vice President and CFO
$435,858
$420,838 from org—$15,020 other
Marc Westle, Do
Former Senior Vice President Innovation Admin
$410,690
$397,874 from org—$12,816 other
Kathy Guyette
FMR Senior Vice President Patient CARE SVCS RGNL
$405,899
$395,679 from org—$10,220 other
Sonya Greck
Former Senior Vice President
$395,328
$385,013 from org—$10,315 other
Chris Derienzo
Former Chief Quality Officer
$345,267
$333,573 from org—$11,694 other
Jonathan Brown
Former Chief Information Officer
$279,976
$270,709 from org—$9,267 other
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Revisions to this profile

January 24, 2026:
2020 Mission Hospital Inc. 990 published
January 24, 2026:
2016 Mission Hospital Inc. 990 published

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