Nonprofit · EIN 68-0213997
ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS
Also known as ANCO
Tax-exempt · NAPA, CA 94558
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,790,708 | $1,754,900 | $35,808 | $3,477,101 | $1,781,663 | $1,695,438 |
| December 31, 2024 | 990 | $1,993,655 | $1,835,934 | $157,721 | $2,800,757 | $1,141,127 | $1,659,630 |
| December 31, 2023 | 990 | $1,681,744 | $1,384,030 | $297,714 | $1,529,258 | $27,349 | $1,501,909 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $1,701,758
- Investment income
- $84,447
- Other revenue
- $4,503
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $204,544
- Other salaries and wages
- $165,507
- Salaries, compensation and benefits (total)
- $481,879
- Professional fundraising fees
- $0
- Accounting fees
- $19,455
- Occupancy
- $12,300
- Travel
- $62,670
Balance sheet and other
- Total assets, start of year
- $2,800,757
- Total assets, end of year
- $3,477,101
- Total liabilities, end of year
- $1,781,663
- Net assets, end of year
- $1,695,438
- Publicly traded securities
- $2,303,686
- Gross receipts
- $1,790,708
- Employees
- 3
- Volunteers
- 33
- Year formed
- 1991
- 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 | Other / benefits |
|---|---|---|---|---|
| Courtney G Flookes | Executive Dir. Officer | 40 | $190,544 | $14,000 |
| Gigi Chen MD | Director Trustee or director | 7 | $0 | $0 |
| Helen K Chew MD | Director Trustee or director | 7 | $0 | $0 |
| Natalia Colocci MD | Director Trustee or director | 7 | $0 | $0 |
| Bradley Ekstrand MD | Director Trustee or director | 7 | $0 | $0 |
| Matthew Gubens MD | Director Trustee or director | 7 | $0 | $0 |
| Steve Y Lee MD | Director Trustee or director | 7 | $0 | $0 |
| Piyush Srivastava MD | Director Trustee or director | 7 | $0 | $0 |
| Lucas Vitzthum MD | Director Trustee or director | 7 | $0 | $0 |
| Nia Beckley MD | Director Trustee or director | 7 | $0 | $0 |
| Millie Das MD | President Officer | 7 | $0 | $0 |
| Michael Zachary Koontz MD | Vice President Officer | 7 | $0 | $0 |
| Mohana Ray MD | Secretary Officer | 7 | $0 | $0 |
| A Dimitrios Colevas MD | Treasurer Officer | 7 | $0 | $0 |
990 for the year ended December 31, 2024: 14 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| COURTNEY G FLOOKES | EXECUTIVE DI Trustee or director, Officer | 40 | $184,172 | $10,669 |
| MILLIE DAS MD | PRESIDENT Trustee or director, Officer | 7 | $0 | $0 |
| MICHAEL ZACHARY KOONTZ MD | VICE PRESIDE Trustee or director, Officer | 7 | $0 | $0 |
| MOHANA ROY MD | SECRETARY Trustee or director, Officer | 7 | $0 | $0 |
| DAVID GANDARA MD | TREASURER Trustee or director, Officer | 7 | $0 | $0 |
| GIGI CHEN MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| HELEN K CHEW MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| A DIMITRIOS COLEVAS MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| BRADLEY C EKSTRAND MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| MATTHEW GUBENS MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| STEVE Y LEE MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| DANIEL P MIRDA MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| PIYUSH SRIVASTAVA | DIRECTOR Trustee or director | 7 | $0 | $0 |
| SHRUTI PATEL MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
990 for the year ended December 31, 2023: 14 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| COURTNEY G FLOOKES | EXECUTIVE DI Trustee or director, Officer | 40 | $161,982 | $52,598 |
| THACH-GIAO TRUONG MD | PRESIDENT Trustee or director, Officer | 7 | $0 | $0 |
| ZACH KOONTZ MD | VICE PRESIDE Trustee or director, Officer | 7 | $0 | $0 |
| MOHANA ROY MD | SECRETARY Trustee or director, Officer | 7 | $0 | $0 |
| DAVID GANDARA MD | TREASURER Trustee or director, Officer | 7 | $0 | $0 |
| GIGI CHEN MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| HELEN CHEW MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| A DIMITRIOS COLEVAS MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| MILLIE DAS MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| BRADLEY C EKSTRAND MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| MATTHEW GUBENS MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| STEVE LEE MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| DANIEL P MIRDA MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
| SHRUTI PATEL MD | DIRECTOR Trustee or director | 7 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 4225 SOLANO AVE PMB 764, NAPA, CA 94558-1611
- Principal officer (990 for 2025)
- Courtney G Flookes, 4225 Solano Avenue 764, Napa, CA 94558
- Signed the 990
- Courtney G Flookes, Executive Dir.
- Phone
- (415) 472-3960
- Return prepared by
- HARMON BURSTYN CPA
California records
California keeps its own records of charities and corporations. Search them by EIN 68-0213997 or by the name ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS.
- 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
ANCO (Association of Northern California Oncologists) was founded in 1991 to advocate, educate, and inform the practicing hematologist/oncologist to ensure delivery of the highest quality care to people living with cancer.
Program accomplishments
- THE ORGANIZATION CONDUCTED EDUCATIONAL PROGRAMS, PUBLISHED A NEWSLETTER ANDPROVIDED A FORUM FOR THE EXCHANGE OF IDEAS IN SEARCH OF MORE EFFECTIVETREATMENTS FOR ONCOLOGISTS AND HEMATOLOGISTS.Expenses $975,713
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
- 68-0213997
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1992
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $3,477,101
- Income (IRS master file)
- $1,790,708
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,790,708 | $1,754,900 | $3,477,101 | XML |
| 990 | December 2024 | $1,993,655 | $1,835,934 | $2,800,757 | IRS |
| 990 | December 2023 | $1,681,744 | $1,384,030 | $1,529,258 | XML |
| 990 | December 2022 | $1,381,796 | $1,279,247 | $1,204,195 | 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 68-0213997).
Questions about ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS
- What is the EIN of ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS?
- The employer identification number (EIN) of ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS is 68-0213997.
- Is ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1992.
- Are donations to ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS 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 ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS 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 ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS 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 ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS?
- The 990 for the year ended December 31, 2025 names Courtney G Flookes.
- Who are the officers and directors of ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS?
- The 990 for the year ended December 31, 2025 lists 14 people; 1 received compensation from the organization, the highest $190,544 (Courtney G Flookes, Executive Dir.).
- How much revenue does ASSOCIATION OF NORTHERN CALIFORNIA ONCOLOGISTS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,790,708, expenses of $1,754,900 and total assets of $3,477,101 at year end.
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