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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 Piedmont Heart Institute Inc Dr William Knopf

Dr William Knopf

Former

Former Board Member at Piedmont Heart Institute Inc

Fiscal year ended June 30, 2018. Published on January 24, 2026.

$552,500
2018

Total compensation

Dr William Knopf has been listed as an employee of Piedmont Heart Institute Inc in Form 990 filings since at least fiscal year 2016. Total compensation for Dr William Knopf has decreased by 37.4% from 2016 to 2018.

Annual compensation details

$552,500
-35%
Former Board Member
2018
$553k related
55 hrs/wk
$850,000
-3.7%
Former Board Member
2017
$850k related
--
$882,692
Former Board Member
2016

Total compensation by year

Compare the compensation of Dr William Knopf to:

2018

Other employees at Piedmont Heart Institute Inc

Mr Gregory A Hurst
Board Member
$1,997,536
$0 from org$1,973,760 from related$23,776 other
Mr Sidney Kirschner
Former Chairman and CEO
$1,242,029
$0 from org$1,135,176 from related$106,853 other
Mr Michael McAnder
Treasurer
$1,153,774
$0 from org$1,029,023 from related$124,751 other
Dr Charles Brown
Chief Executive Officer
$1,078,548
$0 from org$1,046,080 from related$32,468 other
Dr Federico Milla
Cardio Surgeon
$1,047,550
$1,023,499 from orgNo related comp$24,051 other
Mr Jay D Mitchell
Former Secretary
$1,030,379
$0 from org$1,030,379 from relatedNo other comp
Dr Peter Barrett
Cardiologist
$889,659
$857,144 from orgNo related comp$32,515 other
Ms Elizabeth Leddy
Secretary From 2/27/17
$617,898
$0 from org$552,329 from related$65,569 other
Mr Richard Tanzella
Board Member
$589,951
$0 from org$544,865 from related$45,086 other
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Revisions to this profile

January 24, 2026:
2018 Piedmont Heart Institute Inc 990 published
January 24, 2026:
2017 Piedmont Heart Institute Inc 990 published
January 24, 2026:
2016 Piedmont Heart Institute Inc 990 published

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2018
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