Nonprofit · EIN 42-1769020
INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY
Tax-exempt · LA MESA, CA 91941
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-EZ | $174,288 | $184,430 | -$10,142 | $238,741 | $863 | $237,878 |
| December 31, 2023 | 990-EZ | $133,981 | $239,676 | -$105,695 | $248,883 | $863 | $248,020 |
Financial details: 990-EZ for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $25,000
- Program service revenue
- $149,270
- Investment income
- $18
Expenses
- Compensation of officers, directors and key employees
- $72,000
- Salaries, compensation and benefits (total)
- $72,000
- Printing, publications and postage
- $802
- Other expenses
- $111,628
- Program services (functional)
- $183,495
Balance sheet and other
- Total assets, start of year
- $248,883
- Total assets, end of year
- $238,741
- Total liabilities, end of year
- $863
- Net assets, end of year
- $237,878
- Cash, savings and investments
- $238,741
- Gross receipts
- $174,288
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-EZ for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MICHELLE CHRISTIERSON | Treasurer & Sec | 40 | $72,000 |
| Geoffrey D Rubin | President | 2 | $0 |
| Olga R Brook MD | Director | 1 | $0 |
| Lakshmi Anathakrishnan | Director | 1 | $0 |
| Emmanuel Coche MD | Director | 1 | $0 |
| GUANG-HONG CHEN | Secretary | 1 | $0 |
| Bari Dane MD | Director | 1 | $0 |
| Daniel I Glazer MD | Director | 1 | $0 |
| Masahiro Jinzaki MD | Director | 1 | $0 |
| CYNTHIA MCCOLLOUGH PHD | Vice President | 1 | $0 |
| DUSHYANT SAHANI MD | Director | 2 | $0 |
990-EZ for the year ended December 31, 2023: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Geoffrey D Rubin | President | 2 | $0 |
| ARUN KRISHNARAJ MD MPH | Director | 1 | $0 |
| Lakshmi Anathakrishnan | Director | 1 | $0 |
| GUANG-HONG CHEN | Secretary | 1 | $0 |
| MICHAEL LEV | Director | 1 | $0 |
| CYNTHIA MCCOLLOUGH PHD | Vice President | 1 | $0 |
| KOEN NIEMAN MD | Director | 1 | $0 |
| MICHELLE CHRISTIERSON | Treasurer & Sec | 40 | $0 |
| DUSHYANT SAHANI MD | Director | 2 | $0 |
| CHARLES WHITE MD | Director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 4530 GLEN ST, LA MESA, CA 91941-5434
- In care of
- % SUSIE SPIELMAN
- Signed the 990-EZ
- MICHELLE CHRISTIERSON, Treasurer
- Phone
- (650) 619-8001
- Website
- www.isct.org
- Return prepared by
- Bianchi Kasavan & Pope LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 42-1769020 or by the name INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
ISCT's mission is to serve the health care needs of the general public through the support of science, teaching and research and the quality of service in the field of computed tomography.
Program accomplishments
- ISCT presented A PREMIER 3-DAY CT CONFERENCE WITH UNIQUE MEETING FORMATS AND PARTICIPATION OF WORLD EXPERTS. WITH THE RAPID PACE OF TECHNOLOGY CHANGE IN CT, THE CT CONFERENCE HIGHLIGHTED EVOLVING CT TECHNOLOGY AND PLAYED A KEY ROLE IN DISSEMNIATING THE CAPABILITIES AND POTENTIAL FOR VARIOUS PLATFORMS. THE CONFERENCE ALSO SERVED AS A FORUM FOR INVESTIGATORS TO COLLABORATE AND COMPARE IMAGING APPROACHES AND RESULTS.Expenses $183,495
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 42-1769020
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible
- No
- Exempt since
- 2011
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Health care (E036)
- Assets (IRS master file)
- $238,741
- Income (IRS master file)
- $174,288
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2024 | $174,288 | $184,430 | $238,741 | XML |
| 990-EZ | December 2023 | $133,981 | $239,676 | $248,883 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 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 42-1769020).
Questions about INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY
- What is the EIN of INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY is 42-1769020.
- Is INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
- Are donations to INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2024.
- Who are the officers and directors of INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY?
- The 990-EZ for the year ended December 31, 2024 lists 11 people; 1 received compensation from the organization, the highest $72,000 (MICHELLE CHRISTIERSON, Treasurer & Sec).
- How much revenue does INTERNATIONAL SOCIETY OF COMPUTED TOMOGRAPHY have?
- On its 990-EZ for the year ended December 31, 2024 it reported revenue of $174,288, expenses of $184,430 and total assets of $238,741 at year end.
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