Nonprofit · EIN 26-2587835
NEW ENGLAND NEUROSURGICAL SOCIETY
Tax-exempt · LEBANON, NH 03756
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $165,124 | $143,430 | $21,694 | $90,047 | $0 | $90,047 |
| December 31, 2024 | 990 | $156,253 | $121,846 | $34,407 | $68,353 | $0 | $68,353 |
| December 31, 2023 | 990 | $147,718 | $156,508 | -$8,790 | $33,945 | $6,709 | $27,236 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $165,124
- Membership dues
- $165,124
- Program service revenue
- $0
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $697
- Accounting fees
- $2,000
- Program services (functional)
- $143,430
Balance sheet and other
- Total assets, start of year
- $68,353
- Total assets, end of year
- $90,047
- Total liabilities, end of year
- $0
- Net assets, end of year
- $90,047
- Gross receipts
- $165,124
- Employees
- 0
- Volunteers
- 5
- Year formed
- 2008
- State of legal domicile
- NH
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 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Ron Riesenburger | President Trustee or director | 1 | $0 |
| Jennifer Moliterno | Secretary Trustee or director | 1 | $0 |
| Wenya Linda Bi | Treasurer Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Ron Riesenburger | President Trustee or director | 1 | $0 |
| Jennifer Moliterno | Secretary Trustee or director | 1 | $0 |
| Wenya Linda Bi | Treasurer Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Dennis Oh MD | President Trustee or director | 1 | $0 |
| Mike Groff MD | Secretary Trustee or director | 1 | $0 |
| Ron I Riesenburger | Treasurer Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1 MEDICAL CENTER DR, LEBANON, NH 03756-1000
- In care of
- % ANDREW E WAKEFIELD
- Principal officer (990 for 2025)
- Ron I Riesenburger, 1 Medical Center Dr Dartmouth, Lebanon, NH 03756
- Signed the 990
- Wenya L Bi, Treasurer
- Phone
- (413) 794-5600
- Return prepared by
- TRUST FINANCIAL SERVICES LLC
Mission
The society supports ongoing education, research activities and collegiality. The society and its members provide ongoing mentorship for physicians in training, medical students. The Society proivdes support for training programs in particular, a cranial skull based surgery course.
Program accomplishments
- To provide and promote the education and advance the theory of neurosurgery.Expenses $143,430 · revenue $165,124
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 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 26-2587835
- 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
- 2020
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Voluntary health associations and medical disciplines (G03)
- Assets (IRS master file)
- $90,047
- Income (IRS master file)
- $165,124
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $165,124 | $143,430 | $90,047 | IRS |
| 990 | December 2024 | $156,253 | $121,846 | $68,353 | IRS |
| 990 | December 2023 | $147,718 | $156,508 | $33,945 | XML |
| 990 | December 2022 | $132,981 | $169,363 | $36,026 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | 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 26-2587835).
Questions about NEW ENGLAND NEUROSURGICAL SOCIETY
- What is the EIN of NEW ENGLAND NEUROSURGICAL SOCIETY?
- The employer identification number (EIN) of NEW ENGLAND NEUROSURGICAL SOCIETY is 26-2587835.
- Is NEW ENGLAND NEUROSURGICAL SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
- Are donations to NEW ENGLAND NEUROSURGICAL SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does NEW ENGLAND NEUROSURGICAL SOCIETY 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 NEW ENGLAND NEUROSURGICAL 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 NEW ENGLAND NEUROSURGICAL SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of NEW ENGLAND NEUROSURGICAL SOCIETY?
- The 990 for the year ended December 31, 2025 names Ron I Riesenburger.
- Who are the officers and directors of NEW ENGLAND NEUROSURGICAL SOCIETY?
- The 990 for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does NEW ENGLAND NEUROSURGICAL SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $165,124, expenses of $143,430 and total assets of $90,047 at year end.
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