Society Of Interventional Oncology Inc
Organization summary
Type of Nonprofit
Designated as a Business leagues, chambers of commerce, real estate boards, etc, created for the improvement of business conditions.
Category: Diseases, Disorders, Medical Disciplines / Professional Societies, Associations (NTEE)
Donations to this organization are not tax deductible.
Summary charts: organization finances over time
Revenue $3.75M (2024)
Expenses $4.38M (2024)
Total Assets $10.1M (2024)
Total Liabilities $3.2M (2024)
Tax Filings by Year
Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.
Fiscal Year Ending Dec.
2024
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $237,000 |
6.3%
|
| Program Services | $3,124,931 |
83.3%
|
| Investment Income | $254,723 |
6.8%
|
| Bond Proceeds | $0 | |
| Royalties | $18,440 |
0.5%
|
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $116,803 |
3.1%
|
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $15,750 |
0.4%
|
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $10,052,218 | |
| Total Liabilities | $3,198,603 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Terence Gade (Board Member As Of January) | $7,750 | $0 | $0 |
| Edward Kim (Board Member) | $7,000 | $0 | $0 |
| Jack Jennings (Treasurer) | $1,000 | $0 | $0 |
Document Links
990
Filed on Sept. 5, 2025Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2023
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $1,164,900 |
31.1%
|
| Program Services | $2,493,582 |
66.7%
|
| Investment Income | $109,929 |
2.9%
|
| Bond Proceeds | $0 | |
| Royalties | $14,096 |
0.4%
|
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | -$42,120 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $10,050,985 | |
| Total Liabilities | $2,564,276 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Matthew Callstrom President (Until Feb. 2023, Then Past President) | $0 | $0 | $0 |
| Muneeb Ahmed President Elect (Until Feb. 2023, Then President) | $0 | $0 | $0 |
| Alexis Kelekis Treasurer Until (Feb. 2023, Then President Elect) | $0 | $0 | $0 |
Document Links
990
Filed on Nov. 5, 2024Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2022
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $316,500 |
15.2%
|
| Program Services | $1,742,070 |
83.8%
|
| Investment Income | $21,237 |
1.0%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $7,644,301 | |
| Total Liabilities | $1,106,654 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Matt Callstrom (President) | $0 | $0 | $0 |
| Muneeb Ahmed (President Elect) | $0 | $0 | $0 |
| William Rilling (Past President) | $0 | $0 | $0 |
Document Links
990
Filed on Nov. 7, 2023Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2021
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $5,212,000 |
85.9%
|
| Program Services | $854,765 |
14.1%
|
| Investment Income | $1,018 |
0.0%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $93 |
0.0%
|
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $7,137,936 | |
| Total Liabilities | $500,070 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Matt Callstrom (President) | $0 | $0 | $0 |
| Muneeb Ahmed (President Elect) | $0 | $0 | $0 |
| William Rilling (Past President) | $0 | $0 | $0 |
Document Links
990
Filed on Oct. 25, 2022Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2020
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $1,300,000 |
45.7%
|
| Program Services | $1,543,212 |
54.3%
|
| Investment Income | $1,060 |
0.0%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $2,071,445 | |
| Total Liabilities | $514,888 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Bill Rilling (President) | $0 | $0 | $0 |
| Matt Callstrom (President Elect) | $0 | $0 | $0 |
| Stephen Solomon (Pass President) | $0 | $0 | $0 |
Document Links
990
Filed on Nov. 5, 2021Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2019
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $30,000 |
2.1%
|
| Program Services | $1,373,752 |
97.7%
|
| Investment Income | $1,486 |
0.1%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $1,000 |
0.1%
|
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $1,034,726 | |
| Total Liabilities | $510,285 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Stephen Solomon Md President (Until June, Then Past Pres.) | $0 | $0 | $0 |
| Bill Rilling Pres Elect Then (President As Of July) | $0 | $0 | $0 |
| Matt Callstrom Member Then (President Elect As Of July) | $0 | $0 | $0 |
Document Links
990
Filed on Oct. 26, 2020Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2018
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $454,982 |
24.8%
|
| Program Services | $1,381,522 |
75.2%
|
| Investment Income | $1,247 |
0.1%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $1,185,493 | |
| Total Liabilities | $586,655 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Stephen Solomon Md (Chair) | $0 | $0 | $0 |
| Riad Salem Md Mba (Treasurer) | $0 | $0 | $0 |
| William Rilling Md (President Elect) | $0 | $0 | $0 |
Document Links
990
Filed on Nov. 12, 2019Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2017
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $984,600 |
43.6%
|
| Program Services | $1,274,544 |
56.4%
|
| Investment Income | $192 |
0.0%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $1,175,696 | |
| Total Liabilities | $277,178 |
Document Links
990
Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2016
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $50,000 |
4.8%
|
| Program Services | $989,034 |
95.2%
|
| Investment Income | $0 | |
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $144,363 | |
| Total Liabilities | $17,979 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Jeff H Geschwind Md (Chair) | $0 | $0 | $0 |
| Stephen Solomon Md (Chair Elect) | $0 | $0 | $0 |
| Riccardo Lencioni Md Phd (Immediate Past Chair) | $0 | $0 | $0 |
Document Links
990
Filed on Oct. 17, 2017Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2015
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $0 | |
| Program Services | $996,400 |
100%
|
| Investment Income | $0 | |
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $0 |
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $140,331 | |
| Total Liabilities | $62,500 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Riccardo Lencioni Md Phd (Chair) | $0 | $0 | $0 |
| Jeff H Geschwind Md (Vice Chair) | $0 | $0 | $0 |
| Michael C Soulen Md (Past Chair) | $0 | $0 | $0 |
Document Links
990
Filed on Nov. 3, 2016Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2014
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $0 | |
| Program Services | $832,723 |
99.9%
|
| Investment Income | $6 |
0.0%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $1,043 |
0.1%
|
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $180,313 | |
| Total Liabilities | $19,418 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Riccardo A Lencionimd (Chair) | $0 | $0 | $0 |
| David Lumd (Director) | $0 | $0 | $0 |
| Luigi Solbiatimd (Director) | $0 | $0 | $0 |
Document Links
990
Filed on Nov. 5, 2015Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2013
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $0 | |
| Program Services | $804,199 |
99.7%
|
| Investment Income | $0 | |
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $2,241 |
0.3%
|
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $361,139 | |
| Total Liabilities | $71,403 |
Compensation
| Key Employees and Officers | Compensation | Related | Other |
|---|---|---|---|
| Michael C Soulenmd (Chair (P)) | $0 | $0 | $0 |
| Riccardo A Lencionimd (Chair) | $0 | $0 | $0 |
| David Lumd (Director) | $0 | $0 | $0 |
Document Links
990
Filed on Nov. 5, 2014Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2012
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $0 | |
| Program Services | $695,556 |
99.8%
|
| Investment Income | $0 | |
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $1,088 |
0.2%
|
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $225,217 | |
| Total Liabilities | $6,877 |
Document Links
990
Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2011
Extracted Financial Data
Extracted Financial Data from Form 990
| Notable Sources of Revenue | Percent of Total Revenue | |
|---|---|---|
| Contributions | $0 | |
| Program Services | $604,876 |
99.9%
|
| Investment Income | $34 |
0.0%
|
| Bond Proceeds | $0 | |
| Royalties | $0 | |
| Rental Property Income | $0 | |
| Net Fundraising | $0 | |
| Sales of Assets | $0 | |
| Net Inventory Sales | $0 | |
| Other Revenue | $269 |
0.0%
|
| Notable Expenses | Percent of Total Expenses | |
|---|---|---|
| Executive Compensation | $0 | |
| Professional Fundraising Fees | $0 | |
| Other Salaries and Wages | $0 |
| Assets/Debt | ||
|---|---|---|
| Total Assets | $261,345 | |
| Total Liabilities | $21,677 |
Document Links
990
Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2010
No Extracted Financial Data
Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.
Document Links
990
Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2009
No Extracted Financial Data
Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.
Document Links
990-EZ
Short form tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2008
No Extracted Financial Data
Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.
Document Links
990-EZ
Short form tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2007
No Extracted Financial Data
Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.
Document Links
990
Primary tax return for a nonprofit’s activities, finances, and governance
Fiscal Year Ending Dec.
2005
No Extracted Financial Data
Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.
Document Links
990
Primary tax return for a nonprofit’s activities, finances, and governance
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