Mission
To acquire and operate an advanced proton therapy treatment center located in Oklahoma City, Oklahoma.
Public Charity
The Oklahoma Proton Foundation
The Oklahoma Proton Foundation is a Public Charity headquartered in Oklahoma City, OK. Financial data from the 2025 filing: $34.4M revenue, $35.8M expenses, $83.3M total assets.
EIN: 844765097
Oklahoma City, OK
Specialty Hospitals
NTEE: E24
Latest filing: 2025
Total Revenue$34.4M
Total Expenses$35.8M
Total Assets$83.3M
Grant Records0
Filing Years2021–2025
Where $100 goes at The Oklahoma Proton Foundation
How The Oklahoma Proton Foundation divides every $100 it spends, from its own Form 990 filings, averaged across 5 years.
$87
Programs
the work itself
$13
Management
running the organization
$0
Fundraising
none reported
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Inside the $87 for programs
$87
The Oklahoma Proton Center, LLC, wholly owned by the Foundation, is a cancer center that has successfully treated thousands of patients from all over the United States and…
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Officers & Directors
Radiologist
Anna Stidham
Board Member
Gary Bridwell
Chair
G Richard Fransen
Treasurer
Les Fout
Board Member
Nicholas J Samarripas
Dosimetry Manager
Randall Johnson
Officer compensation and complete director data available with membership.
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $34.4M | $35.8M | $83.3M |
| 2024 | $28.9M | $32.4M | $81.1M |
| 2023 | $28.0M | $31.4M | $83.2M |
| 2022 | $24.4M | $28.7M | $84.9M |
| 2021 | $19.8M | $22.9M | $88.3M |
Between 2021 and 2025, reported annual revenue grew from $19.8M to $34.4M (+74%), with total assets most recently reported at $83.3M.
Interactive year-over-year charts and full filing details available with membership.