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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 Health System Physician PC Peter Terhaar

Peter Terhaar

Highest compensated employee

Physician at Health System Physician PC

Fiscal year ended December 31, 2018. Published on January 24, 2026.

$426,701
2018

Total compensation

Peter Terhaar has been listed as an employee of Health System Physician PC in Form 990 filings since at least fiscal year 2016. Total compensation for Peter Terhaar has increased by 103.6% from 2016 to 2018.

Annual compensation details

$426,701
+3.5%
Physician
2018
$415k
40 hrs/wk
$13k
--
$412,380
+96.7%
Physician
2017
$388k
40 hrs/wk
$25k
--
$209,605
Physician
2016
$206k
40 hrs/wk
$5k
--

Total compensation by year

Compare the compensation of Peter Terhaar to:

2018

Other employees at Health System Physician PC

Ross Horsley
Physician
$558,541
$550,000 No related comp$8,541
Zia Sheikh
Physician
$466,018
$457,758 No related comp$8,260
Dr William Mills
President
$372,228
$0 $336,385 $35,843
Ira Nierenberg
Physician
$157,661
$156,135 No related comp$1,526
Phyllis Bessey
Physician Assistant
$138,731
$134,460 No related comp$4,271

Revisions to this profile

January 24, 2026:
2018 Health System Physician PC 990 published
January 24, 2026:
2017 Health System Physician PC 990 published
January 24, 2026:
2016 Health System Physician PC 990 published

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