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Nonprofiteer
← PROTON THERAPY CENTER LLC

Form 990 for tax year 2024

Filed by PROTON THERAPY CENTER LLC.

Totals

Total revenue
$98,273,389
Total expenses
$10,594
Contributions and grants received
$0
Grants paid
$0
Program service revenue
$0
Investment income
$1,908,424
Other revenue
$96,364,965
Total assets, end of year
$19,033
Total liabilities, end of year
$0
Net assets or fund balances, end of year
$19,033
Program services expenses (Part IX)
$5,217
Management and general expenses
$5,377
Fundraising expenses
$0
Program service expenses (Part III)
$5,217

Program services were 49.2% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

Line items

Every line the filer filed in Parts VIII, IX and X, as filed and in filed order. Blank columns are left out, and the lines are not forced to add up to the totals above.

Revenue

Part VIII, the statement of revenue.

  • 3 · Investment income

    total $23,085,541 · excluded $23,085,541

  • 7b · Less cost or other basis and sales expenses

    other assets $21,177,117

  • 7c · Gain or loss

    other assets -$21,177,117

  • 7d · Net gain or loss

    total -$21,177,117 · excluded -$21,177,117

  • 11a · Other revenue: INCOME FROM DEBT FORGIVENESS

    total $94,813,971 · excluded $94,813,971

  • 11b · Other revenue: MISCELLANEOUS INCOME FROM CLOSING

    total $1,550,994 · excluded $1,550,994

  • 11e · Other revenue, total

    $96,364,965

Functional expenses

Part IX, the statement of functional expenses.

  • 11c · Fees: accounting

    total $3,275 · management and general $3,275

  • 11g · Fees: other

    total $3,748 · program services $3,748

  • 24a · Other expenses: BANK FEES

    total $2,102 · management and general $2,102

  • 24b · Other expenses: LICENSES AND PERMITS

    total $1,469 · program services $1,469

Balance sheet

Part X, book values.

  • 1 · Cash, non-interest-bearing

    beginning of year $10,861,801 · end of year $19,033

  • 4 · Accounts receivable

    beginning of year $71,120 · end of year $0

  • 15 · Other assets

    beginning of year $11,170,980 · end of year $0

  • 17 · Accounts payable and accrued expenses

    beginning of year $15,347,979 · end of year $0

  • 20 · Tax-exempt bond liabilities

    beginning of year $78,109,758 · end of year $0

  • 23 · Secured mortgages and notes payable

    beginning of year $3,804,385 · end of year $0

  • 25 · Other liabilities

    beginning of year $23,085,541 · end of year $0

  • 29 · Capital stock, trust principal or current funds

    beginning of year $0 · end of year $0

  • 30 · Paid-in or capital surplus, or land, building or equipment fund

    beginning of year $25,000 · end of year $25,000

  • 31 · Retained earnings, endowment or other funds

    beginning of year -$98,268,762 · end of year -$5,967

Mission and programs · 2024

Mission

THE ORGANIZATION OPERATES A PROTON THERAPY CANCER TREATMENT CENTER IN KNOXVILLE, TENNESSEE, AND SERVICES A MULTI-STATE AREA IN THE SOUTHEASTERN UNITED STATES. PROTON THERAPY IS THE CUTTING EDGE OF RADIATION CANCER TREATMENT. IT IS AN ADVANCED FORM OF RADIATION THAT ALLOWS FOR PRECISION TREATMENT THAT LEAVES SURROUNDING TISSUE UNHARMED AND REDUCES SIDE EFFECTS.PROTON THERAPY CENTER'S GOAL IS TO HELP MAKE PROTON TREATMENT OPTIONS AVAILABLE FOR AS MANY PATIENTS AS POSSIBLE. OUR 90,000 SQ. FOOT FACILITY AND THE SURROUNDING DOWELL SPRINGS CAMPUS PROVIDE A NURTURING OASIS FOR PATIENTS AS THEY RECEIVE TREATMENT.WITH A WEALTH OF RESOURCES, COMPREHENSIVE CARE AND KNOWLEDGEABLE SPECIALISTS WITH YEARS OF EXPERIENCE, PROTON THERAPY CENTER SERVES AS AN IDEAL OPTION FOR PATIENTS IN NEED OF CANCER TREATMENT.

Activities or mission (Part I)

THE ORGANIZATION OPERATES A PROTON THERAPY CENTER IN KNOXVILLE, TENNESSEE, AND SERVICES A MULTI-STATE AREA IN THE SOUTHEASTERN UNITED STATES.

  • THE ORGANIZATION OPERATES A PROTON THERAPY CENTER IN KNOXVILLE, TENNESSEE, AND SERVICES A MULTI-STATE AREA IN THE SOUTHEASTERN UNITED STATES. THE ORGANIZATION PROVIDES COMPREHENSIVE CANCER TREATMENT UTILIZING THE LATEST AND MOST ADVANCED TREATMENT OPTIONS AVAILABLE. THE PROTON THERAPY CENTER TEAM IS COMPRISED OF LEADING SPECIALISTS, CLINICIANS AND EXPERTS WITH MORE THAN 50 YEARS OF PHYSICIAN AND IMAGING ONCOLOGY EXPERIENCE, AND THEY ARE PASSIONATE ABOUT PROVIDING EFFECTIVE AND PERSONAL CARE TO EACH PATIENT SERVED.

    Expenses $5,217

As filed on the 2024 return. The filer continues this part on Schedule O, which is not shown here.

Listed in Part VII

  • Mary Lou Dubois

    FORMER PRESIDENT

    Total calculated
    $0
    Hours/week
    1 + 3 related

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those.

Grants on this return

No itemized grants to organizations on this return.

Related organizations on this return

Schedule R Part II: tax-exempt organizations related to the filer by control. It does not record shared board members or money.

Assets distributed on this return

Schedule N, as filed: what the organization did with its assets when it liquidated or dissolved, or disposed of more than a quarter of them, and who received them. A recipient with an EIN is usually a successor organization; filers also list expenses such as legal fees here.

  • PROTON THERAPY CENTER LIQUIDATING TRUST

    $10,772,632

    Disposition · CASH · Dec 31, 2024 · TRUST

  • PROTON THERAPY CENTER LIQUIDATING TRUST

    $71,120

    Disposition · ACCOUNTS RECEIVABLE · Dec 31, 2024 · TRUST

  • PROTON THERAPY CENTER LIQUIDATING TRUST

    $11,165,229

    Disposition · RESTRICTED CASH · Dec 31, 2024 · TRUST

Provenance

Return type
form_990
Tax year
2024
Filed
17 October 2025
IRS schema version
2024v5.2
Source object
202532909349300043

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