Nonprofit · EIN 04-3469680
OBSTETRICAL SOCIETY OF BOSTON INC
Tax-exempt · MARBLEHEAD, MA 01945
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990-EZ | $26,950 | $29,976 | -$3,026 | $13,647 | $0 | $13,647 |
| September 30, 2024 | 990-EZ | $19,025 | $27,804 | -$8,779 | $16,673 | $0 | $16,673 |
| September 30, 2023 | 990-EZ | $22,276 | $24,742 | -$2,466 | $25,452 | $0 | $25,452 |
Financial details: 990-EZ for the year ended September 30, 2025
Revenue
- Membership dues
- $16,400
- Other revenue
- $10,550
Expenses
- Compensation of officers, directors and key employees
- $0
- Other expenses
- $29,976
- Program services (functional)
- $25,614
Balance sheet and other
- Total assets, start of year
- $16,673
- Total assets, end of year
- $13,647
- Total liabilities, end of year
- $0
- Net assets, end of year
- $13,647
- Cash, savings and investments
- $13,647
- Gross receipts
- $26,950
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 September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| NICKI JOHNSON | PRESIDENT | 2 | $0 |
| HOLLY KHACHADOORIAN-ELIA | IMMEDIATE PAST PRESIDENT | 1 | $0 |
| PADMASINI KANDADAI | FIRST VICE PRESIDENT | 1 | $0 |
| ANILA JHA | SECOND VICE PRESIDENT | 1 | $0 |
| MELANIE NATHAN | TREASURER | 3 | $0 |
| THAO THIEU | SECRETARY | 1 | $0 |
| ALISSA DANGEL | MEMBER-AT-LARGE | 1 | $0 |
| ANDREA ZUCKERMAN | SECOND MEMBER-AT-LARGE | 1 | $0 |
| AMY STAGG | THIRD MEMBER-AT-LARGE | 1 | $0 |
990-EZ for the year ended September 30, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KIM THORNTON | PRESIDENT | 2 | $0 |
| SUSAN MANN | IMMEDIATE PAST PRESIDENT | 1 | $0 |
| HOLLY KHACHADOORIAN-ELIA | FIRST VICE PRESIDENT | 1 | $0 |
| NICKI JOHNSON | SECOND VICE PRESIDENT | 1 | $0 |
| MELANIE NATHAN | TREASURER | 3 | $0 |
| THAO THIEU | SECRETARY | 1 | $0 |
| ALISSA DANGEL | MEMBER-AT-LARGE | 1 | $0 |
| ANDREA ZUCKERMAN | SECOND MEMBER-AT-LARGE | 1 | $0 |
| AMY STAGG | THIRD MEMBER-AT-LARGE | 1 | $0 |
990-EZ for the year ended September 30, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SUSAN MANN | PRESIDENT | 2 | $0 |
| ANNIE LIAU | IMMEDIATE PAST PRESIDENT | 1 | $0 |
| JOHN SCHORGE | PAST PRESIDENT | 1 | $0 |
| KIM THORNTON | FIRST VICE PRESIDENT | 1 | $0 |
| HOLLY KHACHADOORIAN-ELIA | SECOND VICE PRESIDENT | 1 | $0 |
| MELANIE NATHAN | TREASURER | 3 | $0 |
| THAO THIEU | SECRETARY | 1 | $0 |
| ALISSA DANGEL | MEMBER-AT-LARGE | 1 | $0 |
Address and contacts
- Address (IRS master file)
- CO MELANIE NATHAN 36 CLIFTON AVE, MARBLEHEAD, MA 01945-0000
- In care of
- % CHARLES KAWADA
- Signed the 990-EZ
- MELANIE NATHAN, TREASURER
- Phone
- (781) 780-1365
- Website
- OBSBOSTON.ORG
- Return prepared by
- POZERSKI HATCH & COMPANY
Mission
TO CULTIVATE AND DISSEMINATE SCIENTIFIC KNOWLEDGE IN THE AREAS OF OBSTETRICS, GYNECOLOGY, AND REPRODUCTIVE ENDOCRINOLOGY.
Program accomplishments
- CONDUCTED MEETINGS OF MEDICAL PROFESSIONALS WITHIN THE FIELD OF GYNECOLOGY AND OBSTETRICS TO FOSTER DISCUSSIONS TO ENHANCE KNOWLEDGE AND PATIENT TREATMENT.Expenses $25,614
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 September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | 990-EZ on file |
| 2023 | September 30, 2024 | February 18, 2025 | 990-EZ on file |
IRS record
- EIN
- 04-3469680
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2001
- Accounting year ends
- September
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Voluntary health associations and medical disciplines (G90)
- Assets (IRS master file)
- $13,647
- Income (IRS master file)
- $26,950
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | September 2025 | $26,950 | $29,976 | $13,647 | XML |
| 990-EZ | September 2024 | $19,025 | $27,804 | $16,673 | XML |
| 990-EZ | September 2023 | $22,276 | $24,742 | $25,452 | XML |
| 990-EZ | September 2022 | – | – | – | IRS |
| 990-EZ | September 2021 | – | – | – | IRS |
| 990-EZ | September 2020 | – | – | – | IRS |
| 990-EZ | September 2019 | – | – | – | IRS |
| 990-EZ | September 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 04-3469680).
Questions about OBSTETRICAL SOCIETY OF BOSTON INC
- What is the EIN of OBSTETRICAL SOCIETY OF BOSTON INC?
- The employer identification number (EIN) of OBSTETRICAL SOCIETY OF BOSTON INC is 04-3469680.
- Is OBSTETRICAL SOCIETY OF BOSTON INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
- Are donations to OBSTETRICAL SOCIETY OF BOSTON INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does OBSTETRICAL SOCIETY OF BOSTON INC file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of OBSTETRICAL SOCIETY OF BOSTON INC due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did OBSTETRICAL SOCIETY OF BOSTON INC last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended September 2025.
- Who are the officers and directors of OBSTETRICAL SOCIETY OF BOSTON INC?
- The 990-EZ for the year ended September 30, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does OBSTETRICAL SOCIETY OF BOSTON INC have?
- On its 990-EZ for the year ended September 30, 2025 it reported revenue of $26,950, expenses of $29,976 and total assets of $13,647 at year end.
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