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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 Mount Desert Island Hospital Peter Ossanna, M.D.

Peter Ossanna, M.D.

Highest compensated employee

Physician at Mount Desert Island Hospital

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

$349,162
2022

Total compensation

Peter Ossanna, M.D. has been listed as an employee of Mount Desert Island Hospital in Form 990 filings since fiscal year 2022.

Annual compensation details

$349,162
Physician
2022
$312k org
40 hrs/wk
$38k other
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Total compensation by year

Compare the compensation of Peter Ossanna, M.D. to:

2022

Other employees at Mount Desert Island Hospital

Stu Davidson, M.D.
Physician
$612,996
$582,441 from orgNo related comp$30,555 other
Charles Hendricks, M.D.
Physician
$580,220
$552,293 from orgNo related comp$27,927 other
Aaron Perme, M.D.
Physician
$459,504
$439,895 from orgNo related comp$19,609 other
Katherine Gassman, M.D.
Physician
$379,198
$366,562 from orgNo related comp$12,636 other
Christina Maguire
President and Chief Executive Officer
$361,807
$333,736 from orgNo related comp$28,071 other
Nathan Donaldson, M.D.
Trustee/Med. Staff Pres. (End 6/21)
$289,725
$253,207 from orgNo related comp$36,518 other
Peter Witham, M.D.
Trustee and Physician
$248,350
$218,049 from orgNo related comp$30,301 other
Michelle Smith
Chief Financial Officer and Treasurer
$192,338
$154,949 from orgNo related comp$37,389 other
Julian Kuffler, M.D.
2Nd Vice Chair/Physician
$191,377
$166,927 from orgNo related comp$24,450 other
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Revisions to this profile

January 25, 2026:
2022 Mount Desert Island Hospital 990 published

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