Nonprofit · EIN 82-5124843
HEALTH HUB SF
Tax-exempt · TIBURON, CA 94920
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $373,925 | $325,426 | $48,499 | $44,286 | $0 | $44,286 |
| December 31, 2024 | 990 | $687,234 | $890,878 | -$203,644 | $319,269 | $0 | $319,269 |
| December 31, 2023 | 990 | $740,581 | $517,920 | $222,661 | $652,691 | $0 | $652,691 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $373,925
- 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
- Travel
- $6,469
- Program services (functional)
- $185,086
- Management and general (functional)
- $140,340
Balance sheet and other
- Total assets, start of year
- $319,269
- Total assets, end of year
- $44,286
- Total liabilities, end of year
- $0
- Net assets, end of year
- $44,286
- Gross receipts
- $373,925
- Employees
- 0
- Volunteers
- 2
- Year formed
- 2018
- State of legal domicile
- CA
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 |
|---|---|---|---|
| MARK GOLDSTEIN | PRESIDENT Officer | 10 | $0 |
| BARRY SELIK | VICE CHANCELLOR Officer | 10 | $0 |
| OIENDRILLA DAS | DIRECTOR OF MARKETING Officer | 20 | $0 |
990 for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARK GOLDSTEIN | PRESIDENT Officer | 10 | $0 |
| BARRY SELIK | VICE CHANCELLOR Officer | 10 | $0 |
| OIENDRILLA DAS | DIRECTOR OF MARKETING Officer | 20 | $0 |
990 for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARK GOLDSTEIN | PRESIDENT Officer | 10 | $0 |
| BARRY SELIK | VICE CHANCELLOR Officer | 10 | $0 |
| OIENDRILLA DAS | DIRECTOR OF MARKETING Officer | 20 | $0 |
Address and contacts
- Address (IRS master file)
- 2900 PARADISE DR, TIBURON, CA 94920-1211
- In care of
- % MARK GOLDSTEIN
- Principal officer (990 for 2025)
- MARK GOLDSTEIN, 2900 PARADISE DRIVE, TIBURON, CA 94920
- Signed the 990
- MARK GOLDSTEIN, FOUNDER
- Phone
- (415) 300-4339
- Website
- www.digitalhealthhub.org
- Return prepared by
- R & A Tax & Accounting LLC
California records
California keeps its own records of charities and corporations. Search them by EIN 82-5124843 or by the name HEALTH HUB SF.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
TO PROVIDE AND FACILITATE EDUCATIONAL OPPORTUNITIES BETWEEN DOCTORS AND OTHERS IN THE HEALTHCARE AND LIFE SCIENCES COMMUNITY.
Program accomplishments
- TO PROVIDE AND FACILITATE EDUCATIONAL OPPORTUNITIES BETWEEN DOCTORS AND OTHERS IN THE HEALTHCARE AND LIFE SCIENCES COMMUNITY.Expenses $185,086 · revenue $373,925
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
- 82-5124843
- 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
- 2018
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Medical research (H99)
- Assets (IRS master file)
- $44,286
- Income (IRS master file)
- $373,925
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $373,925 | $325,426 | $44,286 | XML |
| 990 | December 2024 | $687,234 | $890,878 | $319,269 | IRS |
| 990 | December 2023 | $740,581 | $517,920 | $652,691 | XML |
| 990 | December 2022 | $977,850 | $413,006 | $831,990 | IRS |
| 990 | December 2021 | $497,052 | $237,080 | $272,093 | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | 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 82-5124843).
Questions about HEALTH HUB SF
- What is the EIN of HEALTH HUB SF?
- The employer identification number (EIN) of HEALTH HUB SF is 82-5124843.
- Is HEALTH HUB SF tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
- Are donations to HEALTH HUB SF tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does HEALTH HUB SF 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 HEALTH HUB SF 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 HEALTH HUB SF 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 HEALTH HUB SF?
- The 990 for the year ended December 31, 2025 names MARK GOLDSTEIN.
- Who are the officers and directors of HEALTH HUB SF?
- The 990 for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does HEALTH HUB SF have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $373,925, expenses of $325,426 and total assets of $44,286 at year end.
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