Nonprofit · EIN 36-3832205
AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS
Tax-exempt · ROSEMONT, IL 60018
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $10,174,605 | $9,946,406 | $228,199 | $12,853,864 | $2,782,134 | $10,071,730 |
| December 31, 2023 | 990 | $9,494,616 | $8,701,815 | $792,801 | $11,444,483 | $1,873,321 | $9,571,162 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $2,271,040
- Program service revenue
- $6,814,323
- Investment income
- $391,406
- Royalties
- $644,577
- Net gain from sales of assets
- $137,390
- Other revenue
- $697,836
Expenses
- Grants and similar amounts paid
- $933,017
- Compensation of officers, directors and key employees
- $889,316
- Other salaries and wages
- $904,446
- Salaries, compensation and benefits (total)
- $2,157,923
- Professional fundraising fees
- $0
- Legal fees
- $1,321
- Accounting fees
- $81,417
- Occupancy
- $124,293
- Travel
- $346,208
- Depreciation
- $27,990
Balance sheet and other
- Total assets, start of year
- $11,444,483
- Total assets, end of year
- $12,853,864
- Total liabilities, end of year
- $2,782,134
- Net assets, end of year
- $10,071,730
- Land, buildings and equipment
- $31,032
- Publicly traded securities
- $7,859,072
- Net assets without donor restrictions
- $9,442,330
- Net assets with donor restrictions
- $629,400
- Gross unrelated business income
- $46,066
- Gross receipts
- $10,303,160
- Employees
- 11
- Volunteers
- 215
- Year formed
- 1992
- 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 |
|---|---|---|---|---|
| ZARSKI MICHAEL | EXECUTIVE DIRECTOR Officer | 50 | $400,000 | $23,810 |
| KERR JOSHUA | DEPUTY EXECUTIVE DIRECTOR Key employee | 50 | $191,100 | $35,990 |
| WOLFE SIGITA | SR DIR OF EDUCATION AND SC Key employee | 50 | $157,988 | $20,428 |
| MALVAR-LEDDA RENALIN J | SR DIR OF EVENTS AND OPERA Highest-paid employee | 45 | $126,329 | $47,201 |
| MITCHELL JEFF | DIR OF MKTG AND CORP RELAT Highest-paid employee | 45 | $131,433 | $34,200 |
| RODGERS CHIARA | DIR OF RESEARCH AND HUMANI Highest-paid employee | 40 | $135,188 | $19,744 |
| LUSK EILEEN | SENIOR DIRECTOR OF MEMBERS Highest-paid employee | 44 | $136,861 | $10,930 |
| ROBINSON KENNETH | COMMUNICATIONS MANAGER Highest-paid employee | 40 | $106,180 | $15,620 |
| BROWNE JAMES A | TREASURER Trustee or director, Officer | 2 | $20,000 | $0 |
| LEVINE BRETT | MEMBER-AT-LARGE Trustee or director | 2 | $20,000 | $0 |
| BELLAMY JAIME L | MEMBER-AT-LARGE Trustee or director | 2 | $20,000 | $0 |
| HUDDLESTON JAMES I | PRESIDENT/FIRST VP Trustee or director, Officer | 2 | $0 | $0 |
| PARVIZI JAVAD | PAST PRESIDENT/PRESIDENT Trustee or director | 2 | $0 | $0 |
| MENEGHINI R MICHAEL | FIRST VP/SECOND VP Trustee or director, Officer | 2 | $0 | $0 |
| ABDEL MATTHEW P | THIRD VP/MEMBER-AT-LARGE Trustee or director, Officer | 2 | $0 | $0 |
5 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAIN RINA | MEMBER-AT-LARGE Trustee or director | 2 | $0 |
| MIHALKO WILLIAM M | MEMBER-AT-LARGE Trustee or director | 2 | $0 |
| SIERRA RAFAEL J | SECRETARY Trustee or director, Officer | 2 | $0 |
| CHEN ANTONIA F | SECOND VP/THIRD VP Trustee or director, Officer | 2 | $0 |
| DELANOIS RONALD E | MEMBER-AT-LARGE Trustee or director | 2 | $0 |
990 for the year ended December 31, 2023: 22 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ZARSKI MICHAEL | EXECUTIVE DIRECTOR Officer | 50 | $356,325 | $24,514 |
| KERR JOSHUA | DEPUTY EXECUTIVE DIRECTOR Key employee | 50 | $182,000 | $33,112 |
| WOLFE SIGITA | SR DIR OF EDUCATION AND SC Key employee | 50 | $150,465 | $18,899 |
| LUSK EILEEN | SENIOR DIRECTOR OF MEMBERSHIP Highest-paid employee | 44 | $130,344 | $38,433 |
| MALVAR-LEDDA RENALIN J | SR DIR OF EVENTS AND OPERA Highest-paid employee | 45 | $120,313 | $43,234 |
| MITCHELL JEFF | DIR OF MKTG AND CORP RELAT Highest-paid employee | 45 | $125,174 | $31,400 |
| RODGERS CHIARA | DIR OF RESEARCH AND HUMANI Highest-paid employee | 40 | $125,174 | $18,133 |
| BELLAMY JAIME L | MEMBER-AT-LARGE Trustee or director | 2 | $25,000 | $0 |
| BROWNE JAMES A | TREASURER Trustee or director, Officer | 2 | $20,000 | $0 |
| SPRINGER BRYAN D | PRESIDENT/PAST PRESIDENT Trustee or director | 2 | $0 | $0 |
| IORIO RICHARD | PAST PRESIDENT Trustee or director | 2 | $0 | $0 |
| HUDDLESTON JAMES I | FIRST VP/SECOND VP Trustee or director, Officer | 2 | $0 | $0 |
| CHEN ANTONIA F | THIRD VP Trustee or director | 2 | $0 | $0 |
| MANNING DAVID W | MEMBER-AT-LARGE Trustee or director | 2 | $0 | $0 |
| TUCKER KIM K | MEMBER-AT-LARGE Trustee or director | 2 | $0 | $0 |
| NUNLEY RYAN M | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| PARVIZI JAVAD | PRESIDENT/FIRST VP Trustee or director, Officer | 2 | $0 | $0 |
| MIHALKO WILLIAM M | MEMBER-AT-LARGE Trustee or director | 2 | $0 | $0 |
| SIERRA RAFAEL J | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MENEGHINI R MICHAEL | SECOND VP/THIRD VP Trustee or director, Officer | 2 | $0 | $0 |
| DELANOIS RONALD E | MEMBER-AT-LARGE Trustee or director | 2 | $0 | $0 |
| ABDEL MATTHEW P | MEMBER-AT-LARGE Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 9400 W HIGGINS RD STE 230, ROSEMONT, IL 60018-4976
- In care of
- % AMER
- Principal officer (990 for 2024)
- MICHAEL ZARSKI, 9400 W HIGGINS RD 230, ROSEMONT, IL 600184976
- Signed the 990
- MICHAEL ZARSKI, EXECUTIVE DIRECTOR
- Phone
- (847) 698-1200
- Website
- WWW.AAHKS.ORG
- Return prepared by
- MANN WEITZ & ASSOCIATES LLC
Mission
TO ADVANCE HIP AND KNEE PATIENT CARE THROUGH EDUCATION, ADVOCACY, RESEARCH AND OUTREACH.
Program accomplishments
- ANNUAL MEETING - THE ASSOCIATION CONDUCTS AN ACCREDITED MEDICAL EDUCATION CONFERENCE ATTENDED BY OVER 5,000 SURGEONS AND INDUSTRY PROFESSIONALS, 4,857 LIVE ATTENDEES AND 317 VIRTUAL ATTENDEES FOR THE 2024 HYBRID ANNUAL MEETING. NO INTERNATIONAL GRANTS GIVEN IN 2024. ORIGINAL RESEARCH, SURGICAL TECHNIQUES AND HEALTH POLICY TOPICS ARE PRESENTED. THE PROCEEDINGS OF THE CONFERENCE ARE PUBLISHED IN ONE OF THE ASSOCIATION'S OFFICIAL PUBLICATIONS, JOURNAL OF ARTHROPLASTY. ADDITIONAL ACCREDITED CONTINUING MEDICAL EDUCATION ACTIVITIES WERE CONDUCTED.
- HEALTH POLICY ACTIVITIES - FEDERAL POLICY MAKERS IN CONGRESS AND THE EXECUTIVE DEPARTMENTS AND AGENCIES WERE PROVIDED INFORMATION AND ANALYSIS ABOUT TOTAL JOINT ARTHROPLASTY OVER THE COURSE OF THE YEAR. THIS ASSISTS THE GOVERNMENT IN MAKING BETTER DECISIONS ON HEALTHCARE RELATED MATTERS THAT AFFECT MILLIONS OF PATIENTS. THE ASSOCIATION ALSO ORGANIZES AND SUPPORTS A HEALTH POLICY FELLOWS PROGRAM THAT ALLOWED SEVERAL SURGEON-MEMBERS TO ATTEND VARIOUS EVENTS IN WASHINGTON DC AND ELSEWHERE RELATED TO HEALTH POLICY AND TO INTERACT WITH HIGH-LEVEL FEDERAL OFFICIALS AND LEGISLATORS. THE HEALTH POLICY FELLOWSHIP ALLOWS THE PARTICIPANTS TO BECOME MORE EFFECTIVE AT UNDERSTANDING AND ASSISTING THE PROCESS BY WHICH POLICY BECOMES LAW AND REGULATION.
- RESEARCH - THE ASSOCIATION PRODUCES TWO PEER-REVIEWED MEDICAL JOURNALS, THE JOURNAL OF ARTHROPLASTY AND ARTHROPLASTY TODAY. THESE JOURNALS CONVEY THE RESULTS OF RESEARCH THAT CAN ALTER AND IMPROVE THE PRACTICE OF TOTAL JOINT ARTHROPLASTY. THE ASSOCIATION'S RESEARCH COMMITTEE ALSO CONDUCTED THE EVALUATION OF GRANT APPLICATIONS SUBMITTED FOR FUNDING TO THE RELATED FOUNDATION FOR ARTHROPLASTY RESEARCH AND EDUCATION. FELLOWSHIP GRANT RECIPIENTS MUST HAVE A CURRENT PROGRAM AGREEMENT WITH AAHKS AND SF MATCH ACCOUNT. RECEIPT OF FUNDS REQUIRES COMPLETION OF A FELLOWSHIP MATCH PROGRAM DIRECTOR AND COORDINATOR SURVEY.
- QUALITY MEASURES PROJECT - INTENDED TO ALIGN WITH THE CMS REQUIREMENT BY COVERING ALL PHASES OF SURGICAL CARE AS A MEASURE SET. PATIENT EDUCATION IN THE WAY OF WEB VIDEOS.
- FELLOWSHIP MATCH PROGRAMS - THE ADULT RECONSTRUCTIVE HIP AND KNEE FELLOWSHIP MATCH PROGRAM ASSISTS ORTHOPAEDIC RESIDENTS WITH OBTAINING FELLOWSHIPS IN ADULT RECONSTRUCTION IN AN ORDERLY WAY. THE AMERICAN ASSOCIATION OF HIP AND KNEE SURGEONS, THE HIP SOCIETY AND THE KNEE SOCIETY HAVE ESTABLISHED THIS FELLOWSHIP MATCH PROGRAM. RESIDENTS APPLY TO HOSPITALS THAT HAVE FELLOWSHIP PROGRAMS, AND ARE MATCHED TO PROGRAMS IN A BLINDED MUTUAL RANKING PROCESS FOR FURTHER FELLOWSHIP-LEVEL TRAINING.
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
- 36-3832205
- 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)
- $12,853,864
- Income (IRS master file)
- $10,303,160
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $10,174,605 | $9,946,406 | $12,853,864 | XML |
| 990 | December 2023 | $9,494,616 | $8,701,815 | $11,444,483 | XML |
| 990 | December 2022 | $9,412,032 | $8,633,315 | $11,054,452 | 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 36-3832205).
Questions about AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS
- What is the EIN of AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS?
- The employer identification number (EIN) of AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS is 36-3832205.
- Is AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1992.
- Are donations to AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS 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 ASSOCIATION OF HIP & KNEE SURGEONS 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 ASSOCIATION OF HIP & KNEE SURGEONS 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 ASSOCIATION OF HIP & KNEE SURGEONS?
- The 990 for the year ended December 31, 2024 names MICHAEL ZARSKI.
- Who are the officers and directors of AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS?
- The 990 for the year ended December 31, 2024 lists 20 people; 11 received compensation from the organization, the highest $400,000 (ZARSKI MICHAEL, EXECUTIVE DIRECTOR).
- How much revenue does AMERICAN ASSOCIATION OF HIP & KNEE SURGEONS have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $10,174,605, expenses of $9,946,406 and total assets of $12,853,864 at year end.
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