Nonprofit · EIN 13-3492973
RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC
Tax-exempt · REGO PARK, NY 11374
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990-EZ | $61,086 | $32,862 | $28,224 | $251,786 | – | $251,786 |
| August 31, 2024 | 990-EZ | $52,291 | $45,352 | $6,939 | $223,562 | – | $223,562 |
Financial details: 990-EZ for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $12,600
- Membership dues
- $7,535
- Program service revenue
- $27,156
- Investment income
- $13,795
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $6,950
- Other expenses
- $25,912
Balance sheet and other
- Total assets, start of year
- $223,562
- Total assets, end of year
- $251,786
- Total liabilities, end of year
- –
- Net assets, end of year
- $251,786
- Cash, savings and investments
- $251,786
- Gross receipts
- $61,086
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 August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Ren-Dih Sheu | President | 7 | $0 |
| Qiyong Fan | President-Elect | 6 | $0 |
| Xiang Li | Past President | 5 | $0 |
| Minglei Kang | Secretary | 5 | $0 |
| Klaus A Hamacher | Treasurer | 5 | $0 |
| Cesar Della Bianca | Represent Board Member to the AAPM Board of Directors | 3 | $0 |
| Jessica Oijie Huang | Board Member-at-Large | 1 | $0 |
| Elizabeth Hipp | Board Member-at-Large | 1 | $0 |
990-EZ for the year ended August 31, 2024: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Xiang Li | President | 7 | $0 |
| Ren-Dih Sheu | President-Elect | 6 | $0 |
| Haibo Lin | Past President | 5 | $0 |
| Minglei Kang | Secretary | 5 | $0 |
| Klaus A Hamacher | Treasurer | 5 | $0 |
| Cesar Della Bianca | Represent Board Member to the AAPM Board of Directors | 3 | $0 |
| Jessica Oijie Huang | Board Member-at-Large | 1 | $0 |
| Elizabeth Hipp | Board Member-at-Large | 1 | $0 |
Address and contacts
- Address (IRS master file)
- C/O KLAUS A HAMACHER 97 10 62ND DR, REGO PARK, NY 11374-0000
- In care of
- % KLAUS HAMACHER
- Signed the 990-EZ
- Klaus A Hamacher PhD, Treasurer
Mission
The object of the Society is: 1. To promote the application of physics to medicine and biology; 2. To encourage interest and training in medical physics; 3. To prepare and disseminate technical information in medical physics and related fields; 4. To discuss scientific matters pertaining to the application of physics in medicine particularly in radiology and related fields and its application to human welfare.
Program accomplishments
- The largest program service was preparation and distribution of the RAPHEX examination described above. Numerous of the exams were distributed nationwide. In addition a compilation of questions from previous exams is produced as a study guide for medical residents who will be taking the ABR exam.
- The second-largest program activity was the presentation of scientific talks at monthly meetings held between September and August. The topics cover Radiation Oncology Diagnostic Medical Physics Nuclear Medicine and Health Physics and the talks are given by nationally recognized medical physicists.
- RAMPS holds every year the Vacirca Young Investigator Symposium which provides an opportunity for young scientists to showcase their research and the Annual RAMPS symposium a one day all day scientific symposium focused on one specific aspect of medical physics.
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 August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990-EZ on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990-EZ on file |
IRS record
- EIN
- 13-3492973
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1991
- Accounting year ends
- August
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $251,786
- Income (IRS master file)
- $61,086
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | August 2025 | $61,086 | $32,862 | $251,786 | XML |
| 990-EZ | August 2024 | $52,291 | $45,352 | $223,562 | XML |
| 990-EZ | August 2023 | – | – | – | IRS |
| 990-EZ | August 2022 | – | – | – | 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 13-3492973).
Questions about RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC
- What is the EIN of RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC?
- The employer identification number (EIN) of RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC is 13-3492973.
- Is RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1991.
- Are donations to RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC 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 RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended August 2025.
- Who are the officers and directors of RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC?
- The 990-EZ for the year ended August 31, 2025 lists 8 people; 0 received compensation from the organization.
- How much revenue does RADIOLOGICAL & MEDICAL PHYSICS SOCIETY OF N Y INC have?
- On its 990-EZ for the year ended August 31, 2025 it reported revenue of $61,086, expenses of $32,862 and total assets of $251,786 at year end.
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