Nonprofit · EIN 20-1285673
WINTER COURSE OF INFECTIOUS DISEASES
Tax-exempt · DENVER, CO 80220
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $220,604 | $166,728 | $53,876 | $213,486 | $0 | $213,486 |
| December 31, 2023 | 990-PF | $217,721 | $228,708 | -$10,987 | $159,610 | $0 | $159,610 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $69,930
- Interest
- $904
- Other income
- $149,770
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $5,750
- Excise tax on investment income
- $13
Balance sheet and other
- Total assets, start of year
- $159,610
- Total assets, end of year
- $213,486
- Total liabilities, end of year
- $0
- Net assets, end of year
- $213,486
- Fair market value of assets
- $213,486
- Net investment income
- $904
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-PF for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Daniel Diekema 17 Briar Cliff Road, Harpswell, ME 04079 | President | 0.5 | $2,000 |
| Paul Auwaerter 2081 Joppa Road, Lutherville, MD 21093 | Director | 0.5 | $2,000 |
| Debra A Goff 5605 Lakeshore Ave, Westerville, OH 43082 | Director | 0.5 | $1,000 |
| Carl LeBuhn 1903 Broadway, Paducah, KY 42001 | Director | 0.5 | $750 |
| Helen Boucher 114 Abbott Road, Wellsesley, MA 02481 | Director | 0.5 | $0 |
| AW Karchmer 248 Boston Post Road, Weston, MA 02493 | Secretary/Treas | 0.5 | $0 |
| Barbara Murray 3220 Georgetown, Houston, TX 77005 | Director | 0.5 | $0 |
| Richard Wenzel PO Box 901, White Stone, VA 22578 | Director | 0.5 | $0 |
| Carlos Del Rio 2342 Massey Lane, Decatur, GA 30033 | Director | 0.5 | $0 |
| Kimberly E Hanson 1774 E Michigan Ave, Salt Lake City, UT 84108 | Director | 0.5 | $0 |
990-PF for the year ended December 31, 2023: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Richard Wenzel PO Box 901, White Stone, VA 22578 | Director | 0.5 | $1,500 |
| Paul Auwaerter 2081 Joppa Road, Lutherville, MD 21093 | Director | 0.5 | $1,500 |
| Debra A Goff 5605 Lakeshore Ave, Westerville, OH 43082 | Director | 0.5 | $1,500 |
| Kimberly E Hanson 1774 E Michigan Ave, Salt Lake City, UT 84108 | Director | 0.5 | $1,500 |
| Carl LeBuhn 1903 Broadway, Paducah, KY 42001 | Director | 0.5 | $750 |
| Helen Boucher 114 Abbott Road, Wellsesley, MA 02481 | Director | 0.5 | $0 |
| AW Karchmer 248 Boston Post Road, Weston, MA 02493 | Secretary/Treas | 0.5 | $0 |
| Barbara Murray 3220 Georgetown, Houston, TX 77005 | Director | 0.5 | $0 |
| Daniel Diekema 17 Briar Cliff Road, Harpswell, ME 04079 | President | 0.5 | $0 |
| Carlos Del Rio 2342 Massey Lane, Decatur, GA 30033 | Director | 0.5 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 201090, DENVER, CO 80220-7090
- In care of
- % A KARCHMER MD LOWRY MEDICAL
- Signed the 990-PF
- Daniel Diekema, President
- Phone
- (303) 210-2165
- Return prepared by
- Conklin Gilpin & Wertz PLLC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. 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 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 20-1285673
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2005
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Education (B60)
- Assets (IRS master file)
- $213,486
- Income (IRS master file)
- $220,604
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $220,604 | $166,728 | $213,486 | XML |
| 990-PF | December 2023 | $217,721 | $228,708 | $159,610 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | 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 20-1285673).
Questions about WINTER COURSE OF INFECTIOUS DISEASES
- What is the EIN of WINTER COURSE OF INFECTIOUS DISEASES?
- The employer identification number (EIN) of WINTER COURSE OF INFECTIOUS DISEASES is 20-1285673.
- Is WINTER COURSE OF INFECTIOUS DISEASES tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
- Are donations to WINTER COURSE OF INFECTIOUS DISEASES tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does WINTER COURSE OF INFECTIOUS DISEASES file?
- Form 990-PF. Private foundations file every year.
- When is the next return of WINTER COURSE OF INFECTIOUS DISEASES due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WINTER COURSE OF INFECTIOUS DISEASES last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of WINTER COURSE OF INFECTIOUS DISEASES?
- The 990-PF for the year ended December 31, 2024 lists 10 people; 4 received compensation from the organization, the highest $2,000 (Daniel Diekema, President).
- How much revenue does WINTER COURSE OF INFECTIOUS DISEASES have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $220,604, expenses of $166,728 and total assets of $213,486 at year end.
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