Nonprofit · EIN 04-3474322
MASSACHUSETTS INFECTIOUS DISEASES SOCIETY
Tax-exempt · BOSTON, MA 02114
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $12,058 | $14,577 | -$2,519 | $4,432 | – | $4,432 |
| December 31, 2024 | 990-EZ | $17,841 | $16,210 | $1,631 | $6,951 | – | $6,951 |
| December 31, 2023 | 990-EZ | $12,329 | $17,192 | -$4,863 | $5,320 | – | $5,320 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Membership dues
- $12,058
- Program service revenue
- $0
- Investment income
- $0
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $1,659
- Printing, publications and postage
- $1,125
- Other expenses
- $11,793
- Program services (functional)
- $11,793
Balance sheet and other
- Total assets, start of year
- $6,951
- Total assets, end of year
- $4,432
- Total liabilities, end of year
- –
- Net assets, end of year
- $4,432
- Cash, savings and investments
- $4,432
- Gross receipts
- $12,058
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, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Armando Paez | President | 1 | $0 |
| Jungwon Yoon | Treasurer | 1 | $0 |
| Michael Newstein | Clerk | 0 | $0 |
| Magdalena Slosar-Cheah | Director | 1 | $0 |
| Molly Paras | Director | 0 | $0 |
| Judith Strymish | Director | 0 | $0 |
| Dylan Sierney | Director | 0 | $0 |
| Sarah Turbett | Director | 0 | $0 |
| Zoon Wangu | Director | 0 | $0 |
990-EZ for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Armando Paez | President | 1 | $0 |
| Jungwon Yoon | Treasurer | 1 | $0 |
| Michael Newstein | Clerk | 0 | $0 |
| Lawrence Madoff | Vice President | 1 | $0 |
| Erica Shenoy | Director | 0 | $0 |
| Molly Paras | Director | 0 | $0 |
| Magdelena Slosar-Cheah | Director | 0 | $0 |
| Judith Strymish | Director | 0 | $0 |
| Zoon Wangu | Director | 0 | $0 |
990-EZ for the year ended December 31, 2023: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Armando Paez | President | 1 | $0 |
| Jungwon Yoon | Secretary / Treasurer | 1 | $0 |
| Michael Newstein | Clerk | 0 | $0 |
| Lawrence Madoff | Vice President | 0 | $0 |
| Erica Shenoy | Director | 0 | $0 |
| Molly Paras | Director | 0 | $0 |
| Magdelena Slosar-Cheah | Director | 0 | $0 |
| Judith Strymish | Director | 0 | $0 |
| Zoon Wangu | Director | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 55 FRUIT STREET BULFINCH 334, BOSTON, MA 02114-2621
- In care of
- % MASS GENERAL HOSPITAL
- Mailing address (990-N for 2021)
- 334 Bulfinch 55 Fruit Street, Boston MA 02114
- Principal officer (990-N for 2021)
- Armando Paez, 1350 Piper Road, West Springfield MA 01089
- Signed the 990-EZ
- Armando Paez, President
- Phone
- (413) 794-5376
- Return prepared by
- David C Livingstone CPA
Mission
Promote and recognize excellence in research, patient care, public health disease prevention and education in the field of infectious diseases
Program accomplishments
- Promote and recognize excellence inresearch, patient care, public health disease prevention and education in the field of infectious diseasesExpenses $11,793
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-EZ 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
- 04-3474322
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1999
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Voluntary health associations and medical disciplines (G90)
- Assets (IRS master file)
- $4,432
- Income (IRS master file)
- $12,058
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $12,058 | $14,577 | $4,432 | IRS |
| 990-EZ | December 2024 | $17,841 | $16,210 | $6,951 | IRS |
| 990-EZ | December 2023 | $12,329 | $17,192 | $5,320 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-N for 2021 Officer: Armando Paez | December 31, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | 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 04-3474322).
Questions about MASSACHUSETTS INFECTIOUS DISEASES SOCIETY
- What is the EIN of MASSACHUSETTS INFECTIOUS DISEASES SOCIETY?
- The employer identification number (EIN) of MASSACHUSETTS INFECTIOUS DISEASES SOCIETY is 04-3474322.
- Is MASSACHUSETTS INFECTIOUS DISEASES SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
- Are donations to MASSACHUSETTS INFECTIOUS DISEASES SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MASSACHUSETTS INFECTIOUS DISEASES SOCIETY file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of MASSACHUSETTS INFECTIOUS DISEASES SOCIETY 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 MASSACHUSETTS INFECTIOUS DISEASES SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who is the principal officer of MASSACHUSETTS INFECTIOUS DISEASES SOCIETY?
- The 990-N for 2021 names Armando Paez.
- Who are the officers and directors of MASSACHUSETTS INFECTIOUS DISEASES SOCIETY?
- The 990-EZ for the year ended December 31, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does MASSACHUSETTS INFECTIOUS DISEASES SOCIETY have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $12,058, expenses of $14,577 and total assets of $4,432 at year end.
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