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Nonprofit · EIN 36-4228405

INTERURBAN NEUROSURGICAL SOCIETY

Tax-exempt · OAK BROOK, IL 60523

Financials

$90K$79K2024$99K$69K2025
Revenue Expenses · by fiscal year end
Financials of INTERURBAN NEUROSURGICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$98,874$68,754$30,120$91,826$0$91,826
December 31, 2024990-EZ$89,501$79,318$10,183$61,706$0$61,706
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Program service revenue
$98,874

Expenses

Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$10,400
Printing, publications and postage
$4,425
Other expenses
$53,929
Program services (functional)
$68,754

Balance sheet and other

Total assets, start of year
$61,706
Total assets, end of year
$91,826
Total liabilities, end of year
$0
Net assets, end of year
$91,826
Cash, savings and investments
$91,826
Gross receipts
$98,874

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ROBERT J DEMPSEYPARLIAMENTARIAN/MEMBER AT LARGE- PA0.19$0
ANN STROINKPARLIAMENTARIAN0.19$0
DOUGLAS E ANDERSONMEMBER-AT-LARGE-PAST0$0
JULIAN E BAILESMEMBER-AT-LARGE-PAST0$0
JERRY BAUERMEMBER-AT-LARGE-PAST0$0
JAMES P CHANDLERMEMBER-AT-LARGE0$0
FADY T CHARBELMEMBER-AT-LARGE-PAST0$0
JOSEPH S CHENGTREASURER ELECT0$0
MICHELLE J CLARKEMEMBER-AT-LARGE0$0
MACIEJ S LESNIAKMEMBER-AT-LARGE- PAST0$0
JOSEPH S NEIMATMEMBER-AT-LARGE (SECRETARY ELECT)0$0
THOMAS C ORIGITANOMEMBER-AT-LARGE-PAST0$0
990-EZ for the year ended December 31, 2024: 12 people
NameTitleHours / weekCompensation
JONI SHULMANADMINISTRATOR2$10,000
SEPIDEH AMIN-HANJANICHAIRPERSON0.23$0
DEAN G KARAHALIOSSECRETARY/TREASURER0.23$0
VIKRAM C PRABHUPROGRAM DIRECTOR0.23$0
DOUGLAS E ANDERSONMEMBER-AT-LARGE0.02$0
JULIAN E BAILESMEMBER-AT-LARGE0.02$0
JERRY BAUERMEMBER-AT-LARGE0.02$0
JAMES P CHANDLERMEMBER-AT-LARGE0.02$0
FADY T CHARBELMEMBER-AT-LARGE0.02$0
JOSEPH S CHENGMEMBER-AT-LARGE0.02$0
MICHELLE J CLARKEMEMBER-AT-LARGE0.02$0
ROBERT J DEMPSEYMEMBER-AT-LARGE0.02$0

Address and contacts

Address (IRS master file)
309 WOODVIEW CT, OAK BROOK, IL 60523-1527
Mailing address (990-N for 2023)
309 Woodview Court, Oak Brook IL 60523
Principal officer (990-N for 2023)
Joni Shulman, 309 Woodview Court, Oak Brook IL 60523
Signed the 990-EZ
JOSEPH CHENG, TREASURER-ELECT
Phone
(715) 542-3201
Return prepared by
LEGACY PROFESSIONALS LLP

Mission

EDUCATION

990-EZ for the year ended December 31, 2025

Program accomplishments

  • ANNUAL MEETING IS COMPRISED OF INTERACTIVE SESSIONS ENCOURAGING AN UNSTRUCTURED CRITIQUE OF SPEAKERS, PARTICIPANTS AND CONTENT. THE MEETING IS GEARED TOWARDS PRACTICING NEUROSURGEONS, FELLOWS, RESIDENTS, AND ADVANCED PRACTICE PROVIDERS (PHYSICIAN'S ASSISTANTS AND ADVANCED NURSE PRACTITIONERS).
    Expenses $68,754

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-N on file

IRS record

EIN
36-4228405
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
2010
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B90)
Assets (IRS master file)
$91,826
Income (IRS master file)
$98,874

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$98,874$68,754$91,826IRS
990-EZDecember 2024$89,501$79,318$61,706XML
990-N for 2023
Officer: Joni Shulman
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Joni Shulman
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Marlene Rakowski
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Marlene Rakowski
December 31, 2019≤ $50,000 receipts––e-Postcard
990-EZDecember 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 36-4228405).

Questions about INTERURBAN NEUROSURGICAL SOCIETY

What is the EIN of INTERURBAN NEUROSURGICAL SOCIETY?
The employer identification number (EIN) of INTERURBAN NEUROSURGICAL SOCIETY is 36-4228405.
Is INTERURBAN NEUROSURGICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
Are donations to INTERURBAN NEUROSURGICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERURBAN NEUROSURGICAL 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 INTERURBAN NEUROSURGICAL SOCIETY due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERURBAN NEUROSURGICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who is the principal officer of INTERURBAN NEUROSURGICAL SOCIETY?
The 990-N for 2023 names Joni Shulman.
Who are the officers and directors of INTERURBAN NEUROSURGICAL SOCIETY?
The 990-EZ for the year ended December 31, 2025 lists 12 people; 0 received compensation from the organization.
How much revenue does INTERURBAN NEUROSURGICAL SOCIETY have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $98,874, expenses of $68,754 and total assets of $91,826 at year end.

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