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Nonprofit · EIN 47-2775340

MTPC LLC

Tax-exempt · KNOXVILLE, TN 37922

Financials

−$50.9M$24.7M2023$139.8M$2.8M2024$3K$4K2025
Revenue Expenses · by fiscal year end
Financials of MTPC LLC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$3,363$4,031-$668$46,488$0$46,488
December 31, 2024990$139,790,730$2,800,388$136,990,342$47,156$0$47,156
December 31, 2023990-$50,925,790$24,710,078-$75,635,868$29,493,191$166,436,377-$136,943,186
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$0
Investment income
$67
Other revenue
$3,296

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$3,430
Management and general (functional)
$4,031

Balance sheet and other

Total assets, start of year
$47,156
Total assets, end of year
$46,488
Total liabilities, end of year
$0
Net assets, end of year
$46,488
Gross receipts
$3,363
Employees
0
Volunteers
0
Year formed
2014
State of legal domicile
TN

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
JEFFREY PATTONDIRECTOR
Trustee or director
1$0
SCOTT HAMILTONDIRECTOR
Trustee or director
1$0
TERRY DOUGLASSDIRECTOR/CHAIRMAN
Trustee or director
1$0
ROBERT RATZEDIRECTOR
Trustee or director
1$0
MICHAEL CRABTREEDIRECTOR
Trustee or director
1$0
MARY LOU DUBOISPRESIDENT
Officer
1$0
990 for the year ended December 31, 2024: 1 people
NameTitleHours / weekCompensation
MARY LOU DUBOISPRESIDENT
Officer
1$0
990 for the year ended December 31, 2023: 8 people
NameTitleHours / weekCompensationOther / benefits
MARY LOU DUBOISPRESIDENT
Officer
1$122,622$3,078
JEFFREY PATTONDIRECTOR
Trustee or director
1$0$0
SCOTT HAMILTONDIRECTOR
Trustee or director
1$0$0
TERRY DOUGLASSDIRECTOR/CHAIRMAN
Trustee or director
1$0$0
ROBERT RATZEDIRECTOR
Trustee or director
1$0$0
MICHAEL CRABTREEDIRECTOR
Trustee or director
1$0$0
ROBERT VINCILLTREASURER
Officer
1$0$0
CHARLES AIKENSECRETARY
Officer
1$0$0

Address and contacts

Address (IRS master file)
2095 LAKESIDE CENTRE WAY STE 101, KNOXVILLE, TN 37922-6647
In care of
% ANNE SWARTZ
Principal officer (990 for 2025)
MARY LOU DUBOIS, 2095 LAKESIDE CENTRE WAY 101, KNOXVILLE, TN 37922
Signed the 990
MARY LOU DUBOIS, PRESIDENT
Phone
(865) 862-1600
Return prepared by
PYA P C

Mission

THE PURPOSE OF THE ORGANIZATION WAS THE OPERATION OF A PROTON THERAPY TREATMENT CENTER FOR THE TREATMENT OF CANCER AND THE RELIEF OF SUFFERING FOR MEMBERS OF THE COMMUNITY. THE ORGANIZATION WENT THROUGH A BANKRUPTCY FORECLOSURE AND IS IN THE PROCESS OF DISSOLVING.

990 for the year ended December 31, 2025

Program accomplishments

  • THE ORGANIZATION PROVIDED RADIATION THERAPY AND ONCOLOGY PATIENT SERVICES AND TREATMENT IN TENNESSEE AND ADJOINING AREAS OF ALABAMA, MISSISSIPPI, AND KENTUCKY. THE ORGANIZATION WENT THROUGH A BANKRUPTCY FORECLOSURE AND IS IN THE PROCESS OF DISSOLVING.

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
47-2775340
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Hospital or medical research organization
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2015
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E24)
Assets (IRS master file)
$46,488
Income (IRS master file)
$3,363

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$3,363$4,031$46,488XML
990December 2024$139,790,730$2,800,388$47,156XML
990December 2023-$50,925,790$24,710,078$29,493,191XML
990December 2022$17,574,862$33,760,005$96,343,627IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 47-2775340).

Questions about MTPC LLC

What is the EIN of MTPC LLC?
The employer identification number (EIN) of MTPC LLC is 47-2775340.
Is MTPC LLC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
Are donations to MTPC LLC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MTPC LLC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MTPC LLC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MTPC LLC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of MTPC LLC?
The 990 for the year ended December 31, 2025 names MARY LOU DUBOIS.
Who are the officers and directors of MTPC LLC?
The 990 for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
How much revenue does MTPC LLC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $3,363, expenses of $4,031 and total assets of $46,488 at year end.

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