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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 The Proton Therapy Center LLC Benjamin H Robison

Benjamin H Robison

Highest compensated employee

Director, Medical Physics at The Proton Therapy Center LLC

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

$199,875
2018

Total compensation

Benjamin H Robison has been listed as an employee of The Proton Therapy Center LLC in Form 990 filings since at least fiscal year 2016. Total compensation for Benjamin H Robison has increased by 15.3% from 2016 to 2018.

Annual compensation details

$199,875
-13%
Director, Medical Physics
2018
$188k org
40 hrs/wk
$13k other
--
$229,633
+32.5%
Director, Medical Physics
2017
$217k org
40 hrs/wk
$14k other
--

Total compensation by year

Compare the compensation of Benjamin H Robison to:

2018

Other employees at The Proton Therapy Center LLC

Michael J Sommi
Secretary
$0
Robert Vincill
Treasurer
$0
Carl Koella
President
$0
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Revisions to this profile

January 24, 2026:
2018 The Proton Therapy Center LLC 990 published
January 24, 2026:
2017 The Proton Therapy Center LLC 990 published
January 24, 2026:
2016 The Proton Therapy Center LLC 990 published

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$173,286
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2016
$169k org
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--