Nonprofit · EIN 76-0668071
RENAL RESEARCH INC
Tax-exempt · HOUSTON, TX 77030
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $47,112 | $10,640 | $36,472 | $481,066 | $0 | $481,066 |
| December 31, 2024 | 990-EZ | $36,390 | $10,087 | $26,303 | $444,594 | $0 | $444,594 |
| December 31, 2023 | 990 | $16,316 | $8,612 | $7,704 | $368,039 | $0 | $368,039 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Investment income
- $42,858
- Net gain from sales of assets
- $4,254
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $2,190
- Other expenses
- $8,450
Balance sheet and other
- Total assets, start of year
- $444,594
- Total assets, end of year
- $481,066
- Total liabilities, end of year
- $0
- Net assets, end of year
- $481,066
- Cash, savings and investments
- $19,133
- Gross receipts
- $67,981
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DR G M NASSAR | PRESIDENT | 0 | $0 |
| DR A-J KHAN | DIRECTOR | 0 | $0 |
| DR J GONZALEZ | DIRECTOR | 0 | $0 |
| DR T S BRENNAN | VICE PRESIDENT | 0 | $0 |
| DR W N SUKI | SECRETARY | 0 | $0 |
| DR K ACHKAR | DIRECTOR | 0 | $0 |
990-EZ for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DR G M NASSAR | PRESIDENT | 0 | $0 |
| DR A-J KHAN | DIRECTOR | 0 | $0 |
| DR J GONZALEZ | DIRECTOR | 0 | $0 |
| DR T S BRENNAN | VICE PRESIDENT | 0 | $0 |
| DR W N SUKI | SECRETARY | 0 | $0 |
| DR K ACHKAR | DIRECTOR | 0 | $0 |
990 for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation | From related orgs |
|---|---|---|---|---|
| Dr G M Nassar | President Trustee or director, Officer | 0 | $0 | $170,107 |
| Dr A-J Khan | Director Trustee or director | 0 | $0 | $158,328 |
| Dr J Gonzalez | Director Trustee or director | 0 | $0 | $157,978 |
| Dr T S Brennan | Vice President Trustee or director, Officer | 0 | $0 | $0 |
| Dr W N Suki | Secretary Trustee or director, Officer | 0 | $0 | $0 |
| Dr K Achkar | Director Trustee or director | 0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 6560 FANNIN ST STE 1824, HOUSTON, TX 77030-2735
- In care of
- % GEORGE M NASSAR MD
- Signed the 990-EZ
- GEORGE M NASSAR MD, PRESIDENT
- Phone
- (713) 790-9080
- Return prepared by
- SEIDEL SCHROEDER
Mission
MEDICAL RESEARCH RELATED TO KIDNEY DISEASE.
Program accomplishments
- PROVIDED FINANCIAL SUPPORT FOR THE PUBLICATION OF A SCIENTIFIC ARTICLE IN A PEER-REVIEWED JOURNAL.
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 76-0668071
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Hospital or medical research organization
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2001
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Medical research (H44)
- Assets (IRS master file)
- $481,066
- Income (IRS master file)
- $67,981
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $47,112 | $10,640 | $481,066 | XML |
| 990-EZ | December 2024 | $36,390 | $10,087 | $444,594 | XML |
| 990 | December 2023 | $16,316 | $8,612 | $368,039 | XML |
| 990 | December 2022 | $8,806 | $7,736 | $360,335 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | 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 76-0668071).
Questions about RENAL RESEARCH INC
- What is the EIN of RENAL RESEARCH INC?
- The employer identification number (EIN) of RENAL RESEARCH INC is 76-0668071.
- Is RENAL RESEARCH INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
- Are donations to RENAL RESEARCH INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does RENAL RESEARCH 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 RENAL RESEARCH 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 RENAL RESEARCH INC last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of RENAL RESEARCH INC?
- The 990-EZ for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does RENAL RESEARCH INC have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $47,112, expenses of $10,640 and total assets of $481,066 at year end.
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