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Nonprofit · EIN 23-7366930

INTERNATIONAL SKELETAL SOCIETY INC

Tax-exempt · EAST DUNDEE, IL 60118

Financials

$1.6M$1.8M2023$1.3M$1.5M2024
Revenue Expenses · by fiscal year end
Financials of INTERNATIONAL SKELETAL SOCIETY INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
May 31, 2025990$1,331,117$1,470,468-$139,351$2,381,101$166,995$2,214,106
May 31, 2024990$1,574,034$1,757,930-$183,896$2,399,867$70,653$2,329,214
Financial details: 990 for the year ended May 31, 2025

Revenue

Contributions, gifts and grants
$144,550
Membership dues
$144,550
Program service revenue
$1,143,118
Investment income
$35,834
Other revenue
$7,615

Expenses

Grants and similar amounts paid
$83,000
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$12,490
Travel
$137,314
Program services (functional)
$1,118,749
Management and general (functional)
$351,719

Balance sheet and other

Total assets, start of year
$2,399,867
Total assets, end of year
$2,381,101
Total liabilities, end of year
$166,995
Net assets, end of year
$2,214,106
Publicly traded securities
$131,892
Net assets without donor restrictions
$2,214,106
Gross receipts
$1,331,117
Employees
0
Volunteers
12
Year formed
1973
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 May 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
MICHAEL TUITEPRESIDENT
Trustee or director, Officer
1$0
CHRISTINE CHUNGPRESIDENT EL
Trustee or director, Officer
1$0
JUERG HODLERIMMED PAST P
Trustee or director, Officer
1$0
ANNE COTTENTREASURER
Trustee or director, Officer
1$0
EVA LLOPISSECRETARY
Trustee or director, Officer
1$0
MIRIAM BREDELLATREASURER EL
Trustee or director, Officer
1$0
LAURA FAYADDIRECTOR AT
Trustee or director
1$0
ROBERTO GARCIADIRECTOR AT
Trustee or director
1$0
HIDETAKA YAMAMOTODIRECTOR AT
Trustee or director
1$0
KEN LEEDIRECTOR AT
Trustee or director
1$0
NATALIE BUREAUDIRECTOR AT
Trustee or director
1$0
ALLESANDRO FRANCHIDIRECTOR AT
Trustee or director
1$0
SUE O'SULLIVANEXECUTIVE DI
Officer
1$0
990 for the year ended May 31, 2024: 17 people
NameTitleHours / weekCompensation
JUERG HODLER MD MBAPRESIDENT
Trustee or director, Officer
1$0
MICHAEL J TUITE MDPRESIDENT EL
Trustee or director, Officer
1$0
MICHAEL P RECHT MDIMMED PAST P
Trustee or director, Officer
1$0
ANNE COTTEN MDTREASURER
Trustee or director, Officer
1$0
CHRISTINE CHUNG MDSECRETARY
Trustee or director, Officer
1$0
EVA LLOPIS MDDIRECTOR AT
Trustee or director
1$0
PATRIZIA BACCHINI MDDIRECTOR AT
Trustee or director
1$0
MARCELO BORDALO MDDIRECTOR AT
Trustee or director
1$0
MIRIAM BREDELLA MDCOMMITTEE CH
Trustee or director
1$0
JULIE FANBURG-SMITH MDMBR PROGRAM
Trustee or director
1$0
MARK MURPHEY MDCOMMITEE CO-
Trustee or director
1$0
BRUCE FORSTER MDMEMBERS-AT-L
Trustee or director
1$0
SUE O'SULLIVANEXECUTIVE DI
Officer
1$0
LAURA FAYADMEMBERS-AT-L
Trustee or director
1$0
ROBERTO GARCIAMEMBERS-AT-L
Trustee or director
1$0
HIDETAKA YAMAMOTOMEMBERS-AT-L
Trustee or director
1$0
DONNA BLANKENBAKERMEMBERS-AT-L
Trustee or director
1$0

Address and contacts

Address (IRS master file)
1061 E MAIN ST STE 300, EAST DUNDEE, IL 60118-2431
In care of
% DR WILLIAM PALMER MASS GENERAL HO
Principal officer (990 for 2024)
MICHAEL TUITE
Signed the 990
SUE O'SULLIVAN, EXECUTIVE DIRECTOR
Phone
(847) 752-6245
Return prepared by
MILLER VERCHOTA INC CPAS

Mission

THE MISSION OF THE INTERNATIONAL SKELETAL SOCIETY, INC. IS TO BRING TOGETHER, THROUGH AN EDUCATIONAL NONPROFIT SOCIETY, RADIOLOGISTS, PATHOLOGISTS, ORTHOPEDIC SURGEONS AND OTHER SPECIALISTS DEDICATED TO THE FURTHERANCE OF THE ART AND SCIENCE OF MUSCULOSKELETAL IMAGING AND TO THE UNDERSTANDING, DIAGNOSIS AND THERAPY OF MUSCULOSKELETAL DISORDERS.

990 for the year ended May 31, 2025

Program accomplishments

  • MEETINGS AND REFRESHER COURSES WERE HELD IN VARIOUS LOCATIONS PROVIDING A FORUM FOR THE EXCHANGE OF KNOWLEDGE AND IDEAS AMONG ISS MEMBERS AND BETWEEN MEMBERS AND NON-MEMBERS AND PROVIDING CONTINUING EDUCATION IN THE FIELD OF MUSCULOSKELETAL DISORDERS. THE MEETINGS WERE ATTENDED BY RADIOLOGISTS WORLDWIDE AND PROVIDED INSTRUCTIONS IN THE LATEST METHODS, EQUIPMENT, AND PROCEDURES IN RADIOLOGY.
    Expenses $795,909 · revenue $745,365
  • THE SOCIETY PUBLISHES THE SKELETAL RADIOLOGY JOURNAL, WHICH IS A PROFESSIONAL JOURNAL FOR RADIOLOGY AND RELATED FIELDS.
    Expenses $131,552 · revenue $397,753
  • THE SOCIETY SUPPORTS AN OUTREACH PROGRAM FOSTERING THE DEVELOPMENT OF GROUPS OR SOCIETIES IN COUNTRIES OR REGIONS WHERE THE DIAGNOSIS AND CLINICAL MANAGEMENT OF MUSCULOSKELETAL DISORDERS REMAIN SUBORDINATE.
    Expenses $191,288 · grants $83,000
  • EDUCATIONAL OFFERINGS INCLUDING THE INTERSOCIETY MUSCULOSKELETAL LECTURE SERIES.

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 May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026Not on file
2024May 31, 2025October 15, 2025990 on file
2023May 31, 2024October 15, 2024990 on file

IRS record

EIN
23-7366930
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1974
Accounting year ends
May
Files
Form 990 or 990-EZ
Assets (IRS master file)
$2,381,101
Income (IRS master file)
$1,331,117

Filing history

FormYear endedRevenueExpensesAssetsReturn
990May 2025$1,331,117$1,470,468$2,381,101XML
990May 2024$1,574,034$1,757,930$2,399,867XML
990May 2023$1,287,529$1,262,113$2,691,381IRS
990May 2022$607,034$480,199$2,558,382IRS
990May 2021–––IRS
990May 2020–––IRS
990May 2019–––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 23-7366930).

Questions about INTERNATIONAL SKELETAL SOCIETY INC

What is the EIN of INTERNATIONAL SKELETAL SOCIETY INC?
The employer identification number (EIN) of INTERNATIONAL SKELETAL SOCIETY INC is 23-7366930.
Is INTERNATIONAL SKELETAL SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
Are donations to INTERNATIONAL SKELETAL SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL SKELETAL SOCIETY INC 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 INTERNATIONAL SKELETAL SOCIETY INC due?
The return for tax year 2025 (the year ending May 31, 2026) is due October 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERNATIONAL SKELETAL SOCIETY INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended May 2025.
Who is the principal officer of INTERNATIONAL SKELETAL SOCIETY INC?
The 990 for the year ended May 31, 2025 names MICHAEL TUITE.
Who are the officers and directors of INTERNATIONAL SKELETAL SOCIETY INC?
The 990 for the year ended May 31, 2025 lists 13 people; 0 received compensation from the organization.
How much revenue does INTERNATIONAL SKELETAL SOCIETY INC have?
On its 990 for the year ended May 31, 2025 it reported revenue of $1,331,117, expenses of $1,470,468 and total assets of $2,381,101 at year end.

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