Nonprofit · EIN 23-2750481
INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY
Tax-exempt · PHILADELPHIA, PA 19104
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $187,770 | $443,403 | -$255,633 | $1,160,245 | $0 | $1,160,245 |
| June 30, 2024 | 990 | $410,998 | $719,242 | -$308,244 | $1,355,716 | $0 | $1,355,716 |
| June 30, 2023 | 990 | $674,361 | $187,681 | $486,680 | $1,611,100 | $0 | $1,611,100 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $161,903
- Investment income
- $25,638
- Other revenue
- $229
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $5,400
- Travel
- $15,240
- Program services (functional)
- $393,893
- Management and general (functional)
- $49,510
Balance sheet and other
- Total assets, start of year
- $1,355,716
- Total assets, end of year
- $1,160,245
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,160,245
- Publicly traded securities
- $929,340
- Net assets without donor restrictions
- $1,160,245
- Gross receipts
- $187,770
- Employees
- 0
- Volunteers
- 11
- Year formed
- 1983
- State of legal domicile
- PA
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| XIONGZHENG MU | PRESIDENT Trustee or director, Officer | 3 | $0 |
| IRENE MATHIJSSEN | VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| JESSE TAYLOR | SECRETARY/TREASURER Trustee or director, Officer | 1 | $0 |
| RICHARD HOPPER | PAST PRESIDENT Trustee or director | 1 | $0 |
| DAVINDER SINGH | COUNCIL Trustee or director | 1 | $0 |
| JAY JAYAMOHAN | COUNCIL Trustee or director | 1 | $0 |
| DOV GOLDENBERG | COUNCIL Trustee or director | 1 | $0 |
| MARIANA SABAS | COUNCIL THROUGH MARCH 2025 Trustee or director | 1 | $0 |
| CASSIO E REPOSO DO AMARAL | COUNCIL Trustee or director | 1 | $0 |
| ERIC ARNAUD | PARLIAMENTARIAN Trustee or director | 1 | $0 |
| PEDRO SANTIAGO | COUNCIL AS OF MARCH 2025 Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| XIONGZHENG MU | PRESIDENT Trustee or director, Officer | 3 | $0 |
| IRENE MATHIJSSEN | VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| JESSE TAYLOR | SECRETARY/TREASURER Trustee or director, Officer | 1 | $0 |
| RICHARD HOPPER | PAST PRESIDENT Trustee or director | 1 | $0 |
| DAVINDER SINGH | COUNCIL Trustee or director | 1 | $0 |
| JAY JAYAMOHAN | COUNCIL Trustee or director | 1 | $0 |
| DOV GOLDENBERG | COUNCIL Trustee or director | 1 | $0 |
| MARIANA SABAS | COUNCIL Trustee or director | 1 | $0 |
| CASSIO E REPOSO DO AMARAL | COUNCIL Trustee or director | 1 | $0 |
| ERIC ARNAUD | PARLIAMENTARIAN Trustee or director | 1 | $0 |
990 for the year ended June 30, 2023: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RICHARD HOPPER | PRESIDENT Trustee or director, Officer | 3 | $0 |
| XIONGZHENG MU | VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| IRENE MATHIJSSEN | SECRETARY/TREASURER Trustee or director, Officer | 1 | $0 |
| ERIC ARNAUD | PAST PRESIDENT/PARLIAMENTARIAN Trustee or director | 1 | $0 |
| DAVINDER SINGH | COUNCIL Trustee or director | 1 | $0 |
| JAY JAYAMOHAN | COUNCIL Trustee or director | 1 | $0 |
| DOV GOLDENBERG | COUNCIL Trustee or director | 1 | $0 |
| JESSE TAYLOR | COUNCIL Trustee or director | 1 | $0 |
| PEDRO SANTIAGO | ORTHODONTIC COUNCIL Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 3401 CIVIC CENTER BLVD HUB 11571, PHILADELPHIA, PA 19104-4319
- In care of
- % LINTON A WHITAKER MD
- Mailing address (990-N for 2014)
- 3400 Civic Center Boulevard, Philadelphia PA 19104
- Principal officer (990 for 2024)
- RICHARD HOPPER, 3401 CIVIC CENTER BLVD HUB 11571, PHILADELPHIA, PA 19104
- Principal officer (990-N for 2014)
- Linton A Whitaker MD, 3400 Civic Center Blvd, Philadelphia PA 19104
- Signed the 990
- JESSE TAYLOR MD, COUNCIL MEMBER
- Phone
- (603) 707-8206
- Website
- WWW.ISCFS.ORG
- Return prepared by
- TSS ADVISORS LLC
Mission
TO FURNISH LEADERSHIP AND FOSTER ADVANCES IN CRANIOFACIAL SURGERY BY STIMULATING RESEARCH, INVESTIGATION, AND TEACHING IN METHODS OF PREVENTING AND CORRECTING CONGENITAL AND ACQUIRED CRANIOFACIAL DEFORMITIES. THE SOCIETY HOLDS PERIODIC CONFERENCES FOR SCENTIFIC PAPER PRESENTATIONS.
Program accomplishments
- THE SOCIETY IS A GROUP OF SURGICAL SPECIALISTS WHO COME TOGETHER EVERY TWO YEARS TO ADVANCE THE FIELD OF CRANIOFACIAL SURGERY FOR OUR PEDIATRIC AND ADULT PATIENTS. THE EXPENSES ARE FOR THE ORGANIZATION OF THIS BIENNIAL CONGRESS OF SOCIETY. THE 20TH INTERNATIONAL CONGRESS TOOK PLACE SEPTEMBER 5-7, 2023, IN SEATTLE, WA, UNITED STATES WITH 695 PARTICIPANTS FROM MORE THAN 40 COUNTRIES AND OVER 500 LECTURES AND POSTERS AS LISTED IN THE PRINTED PROGRAM. A SEPARATE CONGRESS-SPECIFIC WEBSITE WAS CREATED, LINKED TO THE SOCIETY'S HOME SITE. FINAL PAYMENTS WERE MADE UNTIL JANUARY 2024. THE 21ST INTERNATIONAL CONGRESS TOOK PLACE IN OCTOBER 2025.Expenses $393,893 · revenue $162,132
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 23-2750481
- 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
- 1998
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Voluntary health associations and medical disciplines (G9B)
- Assets (IRS master file)
- $1,160,245
- Income (IRS master file)
- $187,770
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $187,770 | $443,403 | $1,160,245 | XML |
| 990 | June 2024 | $410,998 | $719,242 | $1,355,716 | IRS |
| 990 | June 2023 | $674,361 | $187,681 | $1,611,100 | XML |
| 990 | June 2022 | $87,428 | $35,474 | $1,098,358 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
| 990-N for 2014 Officer: Linton A Whitaker MD | June 30, 2015 | ≤ $50,000 receipts | – | – | e-Postcard |
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 23-2750481).
Questions about INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY
- What is the EIN of INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY is 23-2750481.
- Is INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
- Are donations to INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SOCIETY FOR CRANIOFACIAL 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 INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY?
- The 990 for the year ended June 30, 2025 names RICHARD HOPPER.
- Who are the officers and directors of INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY?
- The 990 for the year ended June 30, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL SOCIETY FOR CRANIOFACIAL SURGERY have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $187,770, expenses of $443,403 and total assets of $1,160,245 at year end.
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