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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 Mercy Hospital of Buffalo William Pryor

William Pryor

Officer

Executive Vice President, Chief Admin. at Mercy Hospital of Buffalo

Fiscal year ended December 31, 2023. Published on January 25, 2026.

$592,564
2023

Total compensation

William Pryor has been listed as an employee of Mercy Hospital of Buffalo in Form 990 filings since fiscal year 2019. Total compensation for William Pryor has decreased by 2.5% from 2019 to 2023.

Annual compensation details

$592,564
-15.6%
Executive Vice President, Chief Admin.
2023
$525k related
55 hrs/wk
$69k other
--
$701,676
+2.6%
Executive Vice President, Chief Admin.
2022
$654k related
55 hrs/wk
$49k other
--

Total compensation by year

Compare the compensation of William Pryor to:

2023

Other employees at Mercy Hospital of Buffalo

Mark Sullivan
President and Chief Executive Officer
$1,740,064
$0 from org$1,635,876 from related$104,188 other
Joyce Markiewicz
Chief Business Development Officer President and CEO
$1,168,362
$0 from org$1,086,472 from related$81,890 other
Dr Stephen Downing
Physician
$897,893
$837,861 from orgNo related comp$60,032 other
Dr Jay Bolnick
Physician
$883,050
$845,569 from orgNo related comp$37,481 other
Dr Harsh Jain
Physician
$860,375
$813,366 from orgNo related comp$47,009 other
Dr Lee Guterman
Physician
$859,765
$801,365 from orgNo related comp$58,400 other
James M Garvey
Executive Vice President, Chief Operat
$840,358
$0 from org$773,675 from related$66,683 other
Dr Jiantao Xiao
Physician
$834,577
$792,516 from orgNo related comp$42,061 other
David MacHolz
Chief Financial Officer
$752,385
$0 from org$672,043 from related$80,342 other
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Revisions to this profile

January 25, 2026:
2023 Mercy Hospital of Buffalo 990 published
January 25, 2026:
2022 Mercy Hospital of Buffalo 990 published
January 25, 2026:
2021 Mercy Hospital of Buffalo 990 published

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