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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 Riddle Memorial Hospital Andrew Callahan

Andrew Callahan

Key employee

Staff Nurse, Operating ROOM at Riddle Memorial Hospital

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

$206,072

2023

Total compensation

Andrew Callahan has been listed as an employee of Riddle Memorial Hospital in Form 990 filings since fiscal year 2023.

Annual compensation details

$206,072

Staff Nurse, Operating ROOM

2023

$170k

40 hrs/wk

$37k

--

Total compensation by year

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Revisions to this profile

January 25, 2026:

2023 Riddle Memorial Hospital 990 published

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2023

Other employees at Riddle Memorial Hospital

John J Lynch III

Chief Executive Officer and Trustee

$2,602,428

$0 $2,005,175 $597,253

Barbara Wadsworth

Executive Vice President and Chief Operating Officer

$1,134,340

$0 $944,282 $190,058

Michael J Buongiorno

Chief Financial Officer and Executive Vice President and Treasurer

$1,110,735

$0 $949,105 $161,630

Brian T Corbett, Esq

Senior Vice President, GEN Counsel and Secretary

$871,651

$0 $720,653 $150,998

Jonathan Stallkamp

Senior Vice President and Chief Medical Officer

$867,305

$0 $732,624 $134,681

Shelly Buck

President - Riddle Hospital

$788,735

$617,419 No related comp$171,316

Donald Klingen

Senior Vice President and CMIO

$608,968

$0 $474,295 $134,673

James Gengaro

Vice President, Medical Affairs

$428,030

$252,290 $135,486 $40,254

Brenda Defeo

Vice President, Administration

$367,396

$341,918 No related comp$25,478

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