Nonprofit · EIN 56-6067043
AMERICAN BOARD OF NEUROLOGICAL SURGERY
Tax-exempt · WASHINGTON, DC 20006
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $4,492,015 | $4,858,786 | -$366,771 | $14,917,754 | $645,103 | $14,272,651 |
| December 31, 2023 | 990 | $4,177,661 | $5,066,015 | -$888,354 | $14,358,915 | $914,410 | $13,444,505 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $1,508,110
- Membership dues
- $1,508,110
- Program service revenue
- $2,742,434
- Investment income
- $241,471
- Net gain from sales of assets
- $791
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $1,210,152
- Salaries, compensation and benefits (total)
- $1,384,099
- Professional fundraising fees
- $0
- Legal fees
- $392,966
- Accounting fees
- $117,563
- Occupancy
- $14,573
- Travel
- $1,269,066
- Depreciation
- $249,394
- Program services (functional)
- $1,649,034
- Management and general (functional)
- $3,209,752
Balance sheet and other
- Total assets, start of year
- $14,358,915
- Total assets, end of year
- $14,917,754
- Total liabilities, end of year
- $645,103
- Net assets, end of year
- $14,272,651
- Land, buildings and equipment
- $252,346
- Publicly traded securities
- $11,354,397
- Net assets without donor restrictions
- $14,272,651
- Gross receipts
- $4,507,189
- Employees
- 11
- Volunteers
- 230
- Year formed
- 1940
- 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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CARGILL ALLEYNE MD | DIRECTOR Trustee or director | 3 | $0 |
| RUSSELL LONSER MD | CHAIR Trustee or director, Officer | 3 | $0 |
| HOWARD RIINA MD | SECRETARY Trustee or director, Officer | 3 | $0 |
| RICHARD BYRNE MD | TREASURER Trustee or director, Officer | 3 | $0 |
| LANGSTON HOLLY MD | DIRECTOR Trustee or director | 3 | $0 |
| JUDY HUANG MD | DIRECTOR Trustee or director | 3 | $0 |
| RANDY JENSEN MD | DIRECTOR Trustee or director | 3 | $0 |
| MARK KRIEGER MD | DIRECTOR Trustee or director | 3 | $0 |
| JAMIE ULLMAN MD | DIRECTOR Trustee or director | 3 | $0 |
| BRIAN HOH MD | DIRECTOR Trustee or director | 3 | $0 |
| PAUL CAMARATA MD | VICE CHAIR Trustee or director, Officer | 3 | $0 |
| JAMES MARKERT MD | DIRECTOR Trustee or director | 3 | $0 |
| NATHAN SELDEN MD | VICE CHAIR Trustee or director, Officer | 3 | $0 |
| PRAVEEN MUMMANENI MD | DIRECTOR Trustee or director | 3 | $0 |
| LUIS TUMIALAN MD | DIRECTOR Trustee or director | 3 | $0 |
990 for the year ended December 31, 2023: 16 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELIZABETH S KOEHNEN | FORMER CAO Officer | 40 | $360,744 | $159,429 |
| MARJORIE WANG MD | CHAIR Trustee or director, Officer | 8 | $0 | $0 |
| CARGILL ALLEYNE MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| PAUL CAMARATA MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| HOWARD RIINA MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| RICHARD BYRNE MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| LANGSTON HOLLY MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JUDY HUANG MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| RANDY JENSEN MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| MARK KRIEGER MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JAMIE ULLMAN MD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| RUSSELL LONSER MD | SECRETARY Trustee or director, Officer | 3 | $0 | $0 |
| JOHN WILSON MD | TREASURER Trustee or director, Officer | 3 | $0 | $0 |
| NATHAN SELDEN MD | TREASURER Trustee or director | 3 | $0 | $0 |
| STEVEN KALKANIS MD | VICE CHAIR Trustee or director, Officer | 3 | $0 | $0 |
| PRAVEEN MUMMANENI MD | VICE CHAIR Trustee or director | 3 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 2000 PENNSYLVANIA AVE NW, WASHINGTON, DC 20006-1811
- Principal officer (990 for 2024)
- MARJORIE WANG, 2000 PENNSYLVANIA AVE NW STE 5001, WASHINGTON, DC 20006
- Signed the 990
- MARJORIE WANG, EXECUTIVE DIRECTOR
- Phone
- (507) 322-0400
- Website
- WWW.ABNS.ORG
- Return prepared by
- HAWKINS ASH CPAS LLP
Mission
THE PRIMARY PURPOSE OF ABNS IS TO CONDUCT EXAMINATIONS OF CANDIDATES WHO VOLUNTARILY SEEK CERTIFICATION, AND TO ISSUE CERTIFICATES TO THOSE WHO MEET THE REQUIRMENTS OF THE BOARD.
Program accomplishments
- A. IN MARCH OF 2024, THE PRIMARY EXAM WAS TAKEN BY 651 EXAMINEES FOR SELF-ASSESSMENT AND 208 EXAMINEES FOR CREDIT. THE PASS RATE FOR THOSE WHO TOOK IT FOR CREDIT WAS 97.1%.B. THE ABNS ORAL EXAMINATION IS GIVEN TWICE A YEAR; SPRING AND FALL. THE 2024 SPRING ADMINISTRATION HAD A PASS RATE OF 91.4%. THE 2024 FALL ADMINISTRATION HAD A PASS RATE OF 86.7%. C. THERE ARE CURRENTLY 6,214 ACTIVE DIPLOMATES. D. IN 2024, 14 INDIVIDUALS LOST BOARD CERTIFICATION. E. WE ARE ACTIVELY TRACKING MORE THAN 1,600 RESIDENTS ENROLLED IN AN ACGME ACCREDITED NEUROSURGERY PROGRAM.F. IN 2021, THE ABNS REQUIRED ALL NEW GRADUATES TO BEGIN PARTICIPATING IN CONTINUOUS CERTIFICATION. IN 2024, THE PARTICIPATION IN OUR LEARNING TOOLS FOR THE CC PROGRAM ARE LISTED BELOW: H. 717 UNIQUE COMPLETIONS (NOT INCLUDED IN PROCESS, STARTED, ETC.):I. 3812 GENERAL LEARNING TOOL COMPLETIONSII. 412 CNS ENDOVASCULAR LEARNING TOOL COMPLETIONSIII. 269 NCC LEARNING TOOL COMPLETIONSIV. 397 PEDS LEARNING TOOL COMPLETIONSExpenses $1,649,034 · revenue $2,743,225
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 | Not 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
- 56-6067043
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1970
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $14,917,754
- Income (IRS master file)
- $4,507,189
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $4,492,015 | $4,858,786 | $14,917,754 | XML |
| 990 | December 2023 | $4,177,661 | $5,066,015 | $14,358,915 | XML |
| 990 | December 2022 | $5,234,388 | $3,540,663 | $13,510,767 | 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 56-6067043).
Questions about AMERICAN BOARD OF NEUROLOGICAL SURGERY
- What is the EIN of AMERICAN BOARD OF NEUROLOGICAL SURGERY?
- The employer identification number (EIN) of AMERICAN BOARD OF NEUROLOGICAL SURGERY is 56-6067043.
- Is AMERICAN BOARD OF NEUROLOGICAL SURGERY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1970.
- Are donations to AMERICAN BOARD OF NEUROLOGICAL SURGERY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does AMERICAN BOARD OF NEUROLOGICAL SURGERY 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 AMERICAN BOARD OF NEUROLOGICAL SURGERY 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 AMERICAN BOARD OF NEUROLOGICAL SURGERY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of AMERICAN BOARD OF NEUROLOGICAL SURGERY?
- The 990 for the year ended December 31, 2024 names MARJORIE WANG.
- Who are the officers and directors of AMERICAN BOARD OF NEUROLOGICAL SURGERY?
- The 990 for the year ended December 31, 2024 lists 15 people; 0 received compensation from the organization.
- How much revenue does AMERICAN BOARD OF NEUROLOGICAL SURGERY have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $4,492,015, expenses of $4,858,786 and total assets of $14,917,754 at year end.
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