Nonprofit · EIN 88-2591503
N 1 COLLABORATIVE INC
Tax-exempt · SOMERVILLE, MA 02143
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $894,517 | $323,892 | $570,625 | $696,918 | $6,056 | $690,862 |
| December 31, 2024 | 990 | $453,327 | $445,174 | $8,153 | $125,543 | $5,306 | $120,237 |
| December 31, 2023 | 990 | $397,502 | $279,607 | $117,895 | $120,320 | $8,236 | $112,084 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $894,517
- Program service revenue
- $0
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $213,000
- Salaries, compensation and benefits (total)
- $240,529
- Professional fundraising fees
- $0
- Accounting fees
- $27,160
- Travel
- $11,632
- Program services (functional)
- $180,677
- Management and general (functional)
- $94,779
- Fundraising (functional)
- $48,436
Balance sheet and other
- Total assets, start of year
- $125,543
- Total assets, end of year
- $696,918
- Total liabilities, end of year
- $6,056
- Net assets, end of year
- $690,862
- Net assets without donor restrictions
- $690,862
- Gross receipts
- $894,517
- Employees
- 2
- Volunteers
- 60
- Year formed
- 2022
- State of legal domicile
- DE
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 |
|---|---|---|---|
| WINSTON YAN | PRESIDENT Trustee or director, Officer | 10 | $0 |
| JULIA VITARELLO | SECRETARY Trustee or director, Officer | 1 | $0 |
| TIM YU | TREASURER Trustee or director, Officer | 10 | $0 |
| HOLM GRAESSNER | DIRECTOR Trustee or director | 1 | $0 |
| NICOLE BOICE | DIRECTOR Trustee or director | 1 | $0 |
| BRIAN TSENG | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WINSTON YAN | PRESIDENT Trustee or director, Officer | 10 | $0 |
| JULIA VITARELLO | SECRETARY Trustee or director, Officer | 5 | $0 |
| TIM YU | TREASURER Trustee or director, Officer | 10 | $0 |
| HOLM GRAESSNER | DIRECTOR Trustee or director | 1 | $0 |
| NICOLE BOICE | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WINSTON YAN | PRESIDENT Trustee or director, Officer | 5 | $0 |
| JULIA VITARELLO | SECRETARY Trustee or director, Officer | 5 | $0 |
| TIM YU | TREASURER Trustee or director, Officer | 5 | $0 |
| ANNEMIEKE AARTSMA-RUS | DIRECTOR Trustee or director | 2 | $0 |
| HOLM GRAESSNER | DIRECTOR Trustee or director | 1 | $0 |
| NICOLE BOICE | DIRECTOR Trustee or director | 1 | $0 |
| KEITH FLANAGAN | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 7 CAROLE PL, SOMERVILLE, MA 02143-2233
- Principal officer (990 for 2025)
- WINSTON YAN, 7 CAROLE PLACE, SOMERVILLE, MA 02143
- Signed the 990
- WINSTON YAN, PRESIDENT
- Phone
- (772) 678-9669
- Website
- WWW.N1COLLABORATIVE.ORG
- Return prepared by
- KULLMAN CPA LLC
Mission
TO MAKE INDIVIDUALIZED MEDICINES ROUTINELY AND RAPIDLY ACCESSIBLE TO RARE DISEASE PATIENTS WORLDWIDE.
Program accomplishments
- IN 2025, THE ORGANIZATION LAUNCHED TWO OPENLY ACCESSIBLE DATABASES TO SERVE PATIENTS, FAMILIES, RESEARCHERS, AND CLINICIANS WORKING IN THE INDIVIDUALIZED MEDICINE SPACE. THE GENE REGISTRY CATALOGS N-OF-1 PROJECTS, ASSESSED VARIANTS, AND MARKETED GENETIC THERAPIES, PROVIDING A CENTRALIZED RESOURCE TO ADVANCE AWARENESS AND KNOWLEDGE-SHARING ACROSS THE INDIVIDUALIZED MEDICINE FIELD. THE CONNECTIONS PLATFORM ENABLES PEER-TO- PEER NETWORKING ACROSS THE RARE DISEASE COMMUNITY, LINKING PATIENTS AND FAMILIES WITH ONE ANOTHER AS WELL AS WITH RESEARCHERS AND CLINICIANS WORKING ON RELEVANT CONDITIONS, AND HAS GROWN TO MORE THAN 400 COMMUNITY MEMBERS SINCE ITS LAUNCH. BOTH PLATFORMS ARE DESIGNED TO REDUCE THE INFORMATION AND ISOLATION BARRIERS THAT CHARACTERIZE ULTRA-RARE DISEASE. THE ULTIMATE BENEFICIARIES ARE PATIENTS WITH ULTRA-RARE GENETIC CONDITIONS AND THEIR FAMILIES, WHO GAIN ACCESS TO CRITICAL SCIENTIFIC INFORMATION AND A COMMUNITY OF INDIVIDUALS AND EXPERTS WHO CAN SUPPORT THEIR PATH TOWARD TREATMENT.Expenses $72,653
- THE ORGANIZATION HOSTED ITS ANNUAL MEETING AND A SERIES OF VIRTUAL SEMINARS IN 2025, EACH REACHING BETWEEN 100 AND 200 PARTICIPANTS ACROSS THE INDIVIDUALIZED MEDICINE ECOSYSTEM INCLUDING RESEARCHERS, CLINICIANS, PATIENT ADVOCATES, INDUSTRY REPRESENTATIVES, AND FAMILIES OF AFFECTED PATIENTS. EVENTS FEATURED SPEAKERS, PANELS, AND WORKSHOPS FOCUSED ON BEST PRACTICES, COMMUNITY UPDATES, AND FIELD-WIDE STRATEGY FOR ADVANCING INDIVIDUALIZED MEDICINES FOR ULTRA-RARE GENETIC CONDITIONS. BY CONVENING CROSS-SECTOR STAKEHOLDERS IN BOTH IN-PERSON AND VIRTUAL FORMATS, N1C'S CONFERENCES AND SEMINARS ACCELERATE KNOWLEDGE EXCHANGE, FOSTER COLLABORATION, AND BUILD THE SHARED INFRASTRUCTURE NEEDED TO MAKE INDIVIDUALIZED TREATMENTS MORE ROUTINELY AND RAPIDLY ACCESSIBLE TO PATIENTS.Expenses $64,432
- THE ORGANIZATION CONVENES OPEN, CROSS-DISCIPLINARY WORKGROUPS THAT BRING TOGETHER RESEARCHERS, CLINICIANS, AND RARE DISEASE STAKEHOLDERS TO DEVELOP SHARED FRAMEWORKS AND CONSENSUS RESOURCES FOR THE INDIVIDUALIZED MEDICINE FIELD. IN 2025, THE WORKGROUPS PROGRAM PRODUCED CONSENSUS GUIDELINES FOR ASSESSING THE ELIGIBILITY OF PATHOGENIC DNA VARIANTS FOR ANTISENSE OLIGONUCLEOTIDE (ASO) TREATMENTS. WORKGROUPS AND THEIR OUTPUTS ARE OPENLY ACCESSIBLE TO THE BROADER RARE DISEASE COMMUNITY, REACHING MORE THAN 1,000 COMMUNITY MEMBERS INCLUDING RESEARCHERS, CLINICIANS, AND PATIENT ADVOCATES. THE ULTIMATE BENEFICIARIES ARE PATIENTS WITH ULTRA-RARE GENETIC CONDITIONS, WHO GAIN ACCESS TO BETTER-INFORMED CLINICIANS AND RESEARCHERS EQUIPPED WITH SHARED STANDARDS TO EVALUATE AND ADVANCE INDIVIDUALIZED TREATMENT OPTIONS.Expenses $43,592
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
- 88-2591503
- 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
- 2024
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Voluntary health associations and medical disciplines (G19)
- Assets (IRS master file)
- $696,918
- Income (IRS master file)
- $894,517
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $894,517 | $323,892 | $696,918 | IRS |
| 990 | December 2024 | $453,327 | $445,174 | $125,543 | XML |
| 990 | December 2023 | $397,502 | $279,607 | $120,320 | XML |
| 990-EZ | December 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 88-2591503).
Questions about N 1 COLLABORATIVE INC
- What is the EIN of N 1 COLLABORATIVE INC?
- The employer identification number (EIN) of N 1 COLLABORATIVE INC is 88-2591503.
- Is N 1 COLLABORATIVE INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
- Are donations to N 1 COLLABORATIVE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does N 1 COLLABORATIVE 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 N 1 COLLABORATIVE INC 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 N 1 COLLABORATIVE INC 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 N 1 COLLABORATIVE INC?
- The 990 for the year ended December 31, 2025 names WINSTON YAN.
- Who are the officers and directors of N 1 COLLABORATIVE INC?
- The 990 for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does N 1 COLLABORATIVE INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $894,517, expenses of $323,892 and total assets of $696,918 at year end.
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