Nonprofit · EIN 23-7087029
AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY
Tax-exempt · SCHAUMBURG, IL 60173
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $6,618,476 | $6,644,108 | -$25,632 | $4,496,364 | $1,361,284 | $3,135,080 |
| December 31, 2023 | 990 | $6,406,596 | $6,310,616 | $95,980 | $4,050,769 | $957,636 | $3,093,133 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $2,106,494
- Program service revenue
- $3,222,918
- Investment income
- $71,053
- Royalties
- $1,209,582
- Net gain from sales of assets
- -$6,226
- Other revenue
- $1,218,011
Expenses
- Grants and similar amounts paid
- $881,013
- Compensation of officers, directors and key employees
- $469,765
- Other salaries and wages
- $1,312,557
- Salaries, compensation and benefits (total)
- $1,884,278
- Professional fundraising fees
- $0
- Legal fees
- $28,230
- Accounting fees
- $100,901
- Occupancy
- $157,366
- Travel
- $560,422
- Depreciation
- $44,255
- Program services (functional)
- $5,071,689
- Management and general (functional)
- $1,442,700
- Fundraising (functional)
- $129,719
Balance sheet and other
- Total assets, start of year
- $4,050,769
- Total assets, end of year
- $4,496,364
- Total liabilities, end of year
- $1,361,284
- Net assets, end of year
- $3,135,080
- Land, buildings and equipment
- $137,208
- Publicly traded securities
- $2,333,723
- Net assets without donor restrictions
- $2,988,855
- Net assets with donor restrictions
- $146,225
- Gross unrelated business income
- $27,600
- Gross receipts
- $7,783,678
- Employees
- 15
- Volunteers
- 1,287
- Year formed
- 2006
- State of legal domicile
- IL
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 | Other / benefits |
|---|---|---|---|---|
| ELAINE LARKIN-LEIGHTON | EXECUTIVE DIRECTOR Officer | 45 | $429,483 | $40,283 |
| CATHERINE POWERS | DEVELOPMENT SENIOR MGR Highest-paid employee | 1 | $135,372 | $33,739 |
| JESSICA DORNFELD | DIRECTOR OF MARKETING & ME Highest-paid employee | 40 | $129,446 | $39,384 |
| ALENA FREY | DIRECTOR OF EDUCATION & ME Highest-paid employee | 40 | $140,785 | $3,206 |
| DAVID THORDARSON MD | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| SHELDON S LIN MD | PRESIDENT-ELECT Trustee or director, Officer | 2 | $0 | $0 |
| SCOTT ELLIS MD | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| CASEY HUMBYRD MD | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| CHRISTOPHER CHIODO MD | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MICHAEL ARONOW MD | IMMEDIATE PAST PRESIDENT Trustee or director | 1 | $0 | $0 |
| BRYAN DEN HARTOG MD | IMMEDIATE PAST PRESIDENT THROUGH SEPT 2024 Trustee or director | 1 | $0 | $0 |
| ERROLL BAILEY MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
| JEANNIE HUH MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
| DANIEL GUSS MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
| PAMELA LUK MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
4 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JASON BARITEAU MD | MEMBER AT LARGE Trustee or director | 1 | $0 |
| KELLY HYNES MD | MEMBER AT LARGE Trustee or director | 1 | $0 |
| ANISH KADKIA MD | MEMBER AT LARGE Trustee or director | 1 | $0 |
| J TURNER VOSSELLER MD | MEMBER AT LARGE Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 15 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELAINE LARKIN-LEIGHTON | EXECUTIVE DIRECTOR Officer | 45 | $412,247 | $52,900 |
| CATHERINE POWERS | DEVELOPMENT SENIOR MGR Highest-paid employee | 1 | $131,572 | $32,052 |
| JESSICA DORNFELD | DIRECTOR OF MARKETING & MEMBERSHIP Highest-paid employee | 40 | $123,854 | $37,749 |
| ALENA FREY | DIRECTOR OF EDUCATION & ME Highest-paid employee | 40 | $135,154 | $1,648 |
| BRYAN DEN HARTOG MD | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| MICHAEL ARONOW MD | PRESIDENT-ELECT Trustee or director, Officer | 2 | $0 | $0 |
| DAVID THORDARSON MD | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| SCOTT ELLIS MD | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| SHELDON S LIN MD | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| CHRISTOPHER DIGIOVANNI MD | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| JONATHON BACKUS MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
| REBECCA CERRATO MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
| DANIEL GUSS MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
| PAMELA LUK MD | MEMBER-AT-LARGE Trustee or director | 1 | $0 | $0 |
| J TURNER VOSSELLER MD | MEMBER AT LARGE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1515 E WOODFIELD RD STE 850, SCHAUMBURG, IL 60173-5480
- In care of
- % ELAINE LEIGHTON
- Principal officer (990 for 2024)
- DAVID THORDARSON MD, 1515 E WOODFIELD ROAD SUITE 850, SCHAUMBURG, IL 60173
- Signed the 990
- DAVID THORDARSON MD, PRESIDENT
- Phone
- (847) 698-4654
- Website
- WWW.AOFAS.ORG
- Return prepared by
- CLIFTONLARSONALLEN LLP
Mission
THE AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY (AOFAS) PROMOTES QUALITY, ETHICAL, AND COST EFFECTIVE PATIENT CARE THROUGH EDUCATION, RESEARCH, AND TRAINING OF ORTHOPAEDIC SURGEONS AND OTHER HEALTH CARE PROVIDERS.
Program accomplishments
- SUPPORT RESEARCH AND EDUCATIONAL ACTIVITIES RELATED TO MEDICAL CARE OF THE FOOT AND ANKLE. 2,500 INDIVIDUALS SERVED.Expenses $5,071,689 · grants $881,013 · revenue $3,203,747
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
- 23-7087029
- 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
- 2003
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Health care (E03)
- Assets (IRS master file)
- $4,496,364
- Income (IRS master file)
- $7,783,678
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $6,618,476 | $6,644,108 | $4,496,364 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $6,406,596 | $6,310,616 | $4,050,769 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $5,912,169 | $5,723,835 | $3,979,780 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 23-7087029).
Questions about AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY
- What is the EIN of AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY?
- The employer identification number (EIN) of AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY is 23-7087029.
- Is AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
- Are donations to AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY 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 ORTHOPAEDIC FOOT & ANKLE SOCIETY 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 ORTHOPAEDIC FOOT & ANKLE SOCIETY 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 ORTHOPAEDIC FOOT & ANKLE SOCIETY?
- The 990 for the year ended December 31, 2024 names DAVID THORDARSON MD.
- Who are the officers and directors of AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY?
- The 990 for the year ended December 31, 2024 lists 19 people; 4 received compensation from the organization, the highest $429,483 (ELAINE LARKIN-LEIGHTON, EXECUTIVE DIRECTOR).
- How much revenue does AMERICAN ORTHOPAEDIC FOOT & ANKLE SOCIETY have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $6,618,476, expenses of $6,644,108 and total assets of $4,496,364 at year end.
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