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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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Organizations Health Care The Oklahoma Proton Foundation

The Oklahoma Proton Foundation

Fiscal year ending 2024. Filed on November 18, 2025.

5901 West Memorial Road
Oklahoma City, Oklahoma 73142

The Oklahoma Proton Foundation (EIN: 84-4765097) has filed an IRS Form 990 since fiscal year 2021. In its fiscal year 2024 IRS Form 990 filing, The Oklahoma Proton Foundation, a 501(c)(3) charitable organization, reported compensation for 5 out of 78 total employees. Among the employees shown here, the average compensation is $187,484. The highest compensated employee at The Oklahoma Proton Foundation is Yi le with fiscal year 2024 compensation of $252,718.

Revenue, expenses, and employee compensation

Revenue

$28,894,386

Expenses

$32,372,725

Employee compensation

$5,697,267
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Yi le
Director of Physics
$252,718
$252,718 No related compNo other comp
Levi Garrett
Former Physicist
$195,452
$195,452 No related compNo other comp
Thanh Nguyen
Physicist
$170,503
$170,503 No related compNo other comp
Randall Johnson
Dosimetry Manager
$165,047
$165,047 No related compNo other comp
Ying Feng
Dosimetrist
$153,699
$153,699 No related compNo other comp

Benchmark Employee Compensation

Non-Employee Board Members

Nicholas J Samarripas
Board Member
$6,250
$6,250 No related compNo other comp
Gary Bridwell
Board Member
$6,250
$6,250 No related compNo other comp
Les Fout
Treasurer
$6,250
$6,250 No related compNo other comp
Rodney Baker
Secretary
$6,250
$6,250 No related compNo other comp
G Richard Fransen
Chair
$6,250
$6,250 No related compNo other comp
Steve Rowley
Board Member
$6,250
$6,250 No related compNo other comp

Contractors

Han-Chih Chang
$2,422,242
Allied Health Management LLC
$2,366,841
Blue Orca Marketing LLC
$1,697,653
Radiation Business Solutions Inc.
$791,123
IBA Proton Therapy Inc
$776,649

Mission Statement

Organization was formed to acquire and operate a proton therapy center located in Oklahoma City, Oklahoma. The proton therapy center operates under the name of The Oklahoma Proton Center, LLC. Proton therapy is the cutting edge of radiation cancer treatment. It is an advanced form of radiation therapy utilized for a growing list of clinical indications, including brain, breast, lung, prostate, and pediatric cancers.

Revisions to this organization profile

November 18, 2025:
2024 The Oklahoma Proton Foundation 990 filed
September 13, 2024:
2023 The Oklahoma Proton Foundation 990 filed
November 14, 2023:
2022 The Oklahoma Proton Foundation 990 filed

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