Nonprofit · EIN 04-2781368
LONGWOOD RESEARCH INSTITUTE INC
Tax-exempt · BOSTON, MA 02115
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990 | $0 | $309,101 | -$309,101 | $82,235,364 | $0 | $82,235,364 |
| September 30, 2024 | 990 | $1,290,000 | $440,556 | $849,444 | $82,512,864 | $0 | $82,512,864 |
| September 30, 2023 | 990 | $1,976,400 | $568,321 | $1,408,079 | $81,663,420 | $0 | $81,663,420 |
Financial details: 990 for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $0
- 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
- Occupancy
- $309,101
- Program services (functional)
- $309,101
Balance sheet and other
- Total assets, start of year
- $82,512,864
- Total assets, end of year
- $82,235,364
- Total liabilities, end of year
- $0
- Net assets, end of year
- $82,235,364
- Land, buildings and equipment
- $74,599,375
- Net assets without donor restrictions
- $82,235,364
- Gross receipts
- $0
- Employees
- 0
- Volunteers
- 0
- Year formed
- 1982
- State of legal domicile
- MA
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 September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| Kevin Churchwell MD | President & Trustee Trustee or director, Officer | 1 | $0 | $3,311,889 | $178,434 |
| Douglas Vanderslice | Treasurer & Trustee Trustee or director, Officer | 1 | $0 | $1,859,177 | $94,499 |
| Christopher Viney JD | Clerk & Trustee Trustee or director, Officer | 1 | $0 | $1,034,936 | $70,530 |
| Michele Garvin Esq | Former Clerk & Trustee Former | 0 | $0 | $979,529 | $75,021 |
| Sandra Fenwick | Former President & Trustee Former | 0 | $0 | $437,833 | $0 |
| Douglas Berthiaume | Chairman Trustee or director, Officer | 1 | $0 | $0 | $0 |
990 for the year ended September 30, 2024: 6 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| Kevin Churchwell MD | President & Trustee Trustee or director, Officer | 1 | $0 | $3,062,633 | $135,259 |
| Douglas Vanderslice | Treasurer & Trustee Trustee or director, Officer | 1 | $0 | $1,604,073 | $80,122 |
| Michele Garvin Esq | Clerk & Trustee (END 10/16/23) Trustee or director, Officer | 0 | $0 | $1,201,614 | $53,172 |
| Sandra Fenwick | Former President & Trustee Former | 0 | $0 | $939,289 | $0 |
| Christopher Viney JD | Clerk & Trustee (BEGIN 10/16/23) Trustee or director, Officer | 1 | $0 | $174,862 | $20,376 |
| Douglas Berthiaume | Chairman Trustee or director, Officer | 1 | $0 | $0 | $0 |
990 for the year ended September 30, 2023: 5 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| Kevin Churchwell MD | President & Trustee Trustee or director, Officer | 0 | $0 | $3,239,502 | $125,802 |
| Douglas Vanderslice | Treasurer & Trustee Trustee or director, Officer | 0 | $0 | $1,981,768 | $75,202 |
| Michele Garvin Esq | Secretary & Trustee Trustee or director, Officer | 0 | $0 | $1,698,464 | $45,408 |
| Sandra Fenwick | Former President & Trustee Former | 0 | $0 | $958,796 | $0 |
| Douglas Berthiaume | Chairman Trustee or director | 0 | $0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 300 LONGWOOD AVE, BOSTON, MA 02115-5724
- Principal officer (990 for 2024)
- Kevin B Churchwell MD, 300 Longwood Avenue, Boston, MA 02115
- Signed the 990
- Doug Vanderslice, EVP, CFO & Treasurer
- Phone
- (617) 355-6000
- Return prepared by
- Ernst & Young LLP
Mission
Longwood Research Institute, Inc. works to promote and expand human knowledge in the field of medical science, public health and the health and welfare of infants, children, adolescents and adults by directly engaging in the continuous active conduct of medical and other scientific research by means of investigations, experiments, and studies within the associated disciplines spanning the medical sciences to discover, develop, verify or clarify knowledge and understanding. It also holds, owns, maintains, improves, and operates real property for the benefit of The Children's Hospital Corporation.
Program accomplishments
- Longwood Research Institute, Inc. works to promote and expand human knowledge in the field of medical science, public health and the health and welfare of infants, children, adolescents and adults by directly engaging in the continuous active conduct of medical and other scientific research by means of investigations, experiments, and studies within the associated disciplines spanning the medical sciences to discover, develop, verify or clarify knowledge and understanding. It also holds, owns, maintains, improves, and operates real property for the benefit of The Children's Hospital Corporation.Expenses $309,101
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 on file |
| 2023 | September 30, 2024 | February 18, 2025 | 990 on file |
IRS record
- EIN
- 04-2781368
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization (509(a)(3))
- Donations deductible (Pub 78)
- Supporting organization of unknown type
- Exempt since
- 1989
- Accounting year ends
- September
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Human services (P37Z)
- Assets (IRS master file)
- $82,235,364
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | September 2025 | $0 | $309,101 | $82,235,364 | XML |
| 990 | September 2024 | $1,290,000 | $440,556 | $82,512,864 | XML |
| 990 | September 2023 | $1,976,400 | $568,321 | $81,663,420 | XML |
| 990 | September 2022 | $4,329,200 | $461,190 | $80,255,341 | IRS |
| 990 | September 2021 | – | – | – | IRS |
| 990 | September 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 04-2781368).
Questions about LONGWOOD RESEARCH INSTITUTE INC
- What is the EIN of LONGWOOD RESEARCH INSTITUTE INC?
- The employer identification number (EIN) of LONGWOOD RESEARCH INSTITUTE INC is 04-2781368.
- Is LONGWOOD RESEARCH INSTITUTE INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to LONGWOOD RESEARCH INSTITUTE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
- Which annual return does LONGWOOD RESEARCH INSTITUTE INC file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of LONGWOOD RESEARCH INSTITUTE 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 LONGWOOD RESEARCH INSTITUTE INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended September 2025.
- Who is the principal officer of LONGWOOD RESEARCH INSTITUTE INC?
- The 990 for the year ended September 30, 2025 names Kevin B Churchwell MD.
- Who are the officers and directors of LONGWOOD RESEARCH INSTITUTE INC?
- The 990 for the year ended September 30, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does LONGWOOD RESEARCH INSTITUTE INC have?
- On its 990 for the year ended September 30, 2025 it reported revenue of $0, expenses of $309,101 and total assets of $82,235,364 at year end.
Other nonprofits in BOSTON
- ACTION FOR BOSTON COMMUNITY DEVELOPMENT EIN 04-2304133 · last filed 990 for 2025
- YOUNG MENS CHRISTIAN ASSOCIATION OF GREATER BOSTON INC EIN 04-2103551 · last filed 990 for 2025
- PINE STREET INN INC EIN 04-2516093 · last filed 990 for 2025
- THE HOME FOR LITTLE WANDERERS INC EIN 04-2104764 · last filed 990 for 2025
- CENTRAL BOSTON ELDER SERVICES INC EIN 04-2546441 · last filed 990 for 2025
- BOSTON HEALTH CARE FOR THE HOMELESS PROGRAM INC EIN 04-3160480 · last filed 990 for 2025
- SOCIAL FINANCE INC EIN 27-4620963 · last filed 990 for 2024
- NEWBRIDGE ON THE CHARLES INC EIN 38-3707573 · last filed 990 for 2025