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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 Florida Proton Therapy Institute Inc. William J Glidden

William J Glidden

Highest compensated employee

LEAD Certified Medical Dosimetrist at Florida Proton Therapy Institute Inc.

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

$142,427
2023

Total compensation

William J Glidden has been listed as an employee of Florida Proton Therapy Institute Inc. in Form 990 filings since at least fiscal year 2016. Total compensation for William J Glidden has increased by 9.1% from 2016 to 2023.

Annual compensation details

$142,427
-15.7%
LEAD Certified Medical Dosimetrist
2023
$140k org
40 hrs/wk
$4k other
--
$168,950
+10.3%
LEAD Certified Medical Dosimetrist
2022
$157k org
40 hrs/wk
$13k other
--

Total compensation by year

Compare the compensation of William J Glidden to:

2023

Other employees at Florida Proton Therapy Institute Inc.

Nancy P Mendenhall
Trustee/Medical Director
$683,916
$660,786 from orgNo related comp$23,130 other
Stuart Klein
Executive Director
$433,022
$417,273 from orgNo related comp$15,749 other
Kevin Kirby
Director of Clinical Dosimetry
$196,285
$190,517 from orgNo related comp$5,768 other
Trevor Fleming
Director of Technical Services
$187,051
$181,692 from orgNo related comp$5,359 other
Emma V Viviers
Treatment Planning Physicist
$186,865
$183,258 from orgNo related comp$3,607 other
Tommie L Allen
Chief Financial Officer (END 06-23)
$165,244
$160,505 from orgNo related comp$4,739 other
Nataliya Getman
LEAD Certified Medical Dosimetrist
$148,245
$144,737 from orgNo related comp$3,508 other
Heather K Oakley
Social Services Director
$141,205
$137,274 from orgNo related comp$3,931 other
Bridgette D Carter
LEAD Pediatric Certified Medical Dosimetrist
$134,846
$131,331 from orgNo related comp$3,515 other
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Revisions to this profile

January 25, 2026:
2023 Florida Proton Therapy Institute Inc. 990 published
January 25, 2026:
2022 Florida Proton Therapy Institute Inc. 990 published
January 25, 2026:
2021 Florida Proton Therapy Institute Inc. 990 published

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$153,191
-4.2%
LEAD Dosimetrist
2021
$140k org
40 hrs/wk
$14k other
--
$159,828
+2.9%
LEAD Dosimetrist
2020
$146k org
40 hrs/wk
$14k other
--
$155,318
+1.4%
LEAD Dosimetrist
2019
$148k org
40 hrs/wk
$8k other
--
$153,192
+15.3%
LEAD Dosimetrist
2018
$140k org
40 hrs/wk
$14k other
--
$132,844
+1.7%
LEAD Dosimetrist
2017
$121k org
40 hrs/wk
$13k other
--
$130,567
LEAD Dosimetrist
2016
$119k org
40 hrs/wk
$13k other
--

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2023
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$178,537