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Nonprofit · EIN 03-0434204

GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC

Tax-exempt · SCHAUMBURG, IL 60173

Financials

$87K$75K2023$84K$71K2024
Revenue Expenses · by fiscal year end
Financials of GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990-EZ$83,525$71,361$12,164$168,077$46,296$121,781
December 31, 2023990-EZ$86,850$74,608$12,242$156,907$47,290$109,617
Financial details: 990-EZ for the year ended December 31, 2024

Revenue

Program service revenue
$83,525

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$41,521
Printing, publications and postage
$1,486
Other expenses
$28,354
Program services (functional)
$69,263

Balance sheet and other

Total assets, start of year
$156,907
Total assets, end of year
$168,077
Total liabilities, end of year
$46,296
Net assets, end of year
$121,781
Cash, savings and investments
$168,077
Gross receipts
$83,525

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, 2024, highest compensation first.

NameTitleHours / weekCompensation
Erlin J Marte MD PHDPresident0.5$0
Michael William Quartuccio MDTreasurer0.5$0
Luis F Chavez MDPast President0.5$0
Ruban Dhaliwal MD MPH FEAADirector0.5$0
Aldar R Gosmanov MD PhDDirector0.5$0
Marisa E Desimone MDDirector0.5$0
Howard Alvin Lippes MD FACEDirector0.5$0
Toni M Murphy DO FACOIFACEDirector0.5$0
990-EZ for the year ended December 31, 2023: 8 people
NameTitleHours / weekCompensation
Erlin J Marte MD PHDPresident0.5$0
Michael William Quartuccio MDTreasurer0.5$0
Luis F Chavez MDPast President0.5$0
Ruban Dhaliwal MD MPH FEAADirector0.5$0
Aidar R Gosmanov MD PhDDirector0.5$0
Marisa E Desimone MDDirector0.5$0
Howard Alvin Lippes MD FACEDirector0.5$0
Toni M Murphy DO FACOIFACEDirector0.5$0

Address and contacts

Address (IRS master file)
1933 N MEACHAM RD STE 450, SCHAUMBURG, IL 60173-4410
In care of
% MIKE AVALLONE CFO
Mailing address (990-N for 2018)
245 Riverside Ave Ste 200, Jacksonville FL 32202
Principal officer (990-N for 2018)
Marya Gendzielewski MD, 245 Riverside Ave Ste 200, Jacksonville FL 32202
Signed the 990-EZ
Michael William Quartuccio MD, Treasurer
Phone
(847) 517-7225
Return prepared by
IL NFP AUDIT AND TAX LLP

Mission

TO PROMOTE THE HIGHEST STANDARD OF MEDICAL PRACTICE FOR PATIENTS WITH ENDOCRINE DISORDERS AND TO SERVE AS A REPRESENTATIVE SPOKESMAN FOR PHYSICIANS IN THE CHAPTER TREATING PATIENTS WITH ENDOCRINE DISORDERS.

990-EZ for the year ended December 31, 2024

Program accomplishments

  • TO PROMOTE THE HIGHEST STANDARD OF MEDICAL PRACTICE FOR PATIENTS WITH ENDOCRINE DISORDERS AND TO SERVE AS A REPRESENTATIVE SPOKESMAN FOR PHYSICIANS IN THE CHAPTER TREATING PATIENTS WITH ENDOCRINE DISORDERS.
    Expenses $69,263

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, 2026Not on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

IRS record

EIN
03-0434204
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2003
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$168,077
Income (IRS master file)
$83,525

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2024$83,525$71,361$168,077IRS
990-EZDecember 2023$86,850$74,608$156,907XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 2019–––IRS
990-N for 2018
Officer: Marya Gendzielewski MD
December 31, 2018≤ $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 03-0434204).

Questions about GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC

What is the EIN of GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC?
The employer identification number (EIN) of GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC is 03-0434204.
Is GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2003.
Are donations to GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY 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 GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC 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 GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2024.
Who is the principal officer of GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC?
The 990-N for 2018 names Marya Gendzielewski MD.
Who are the officers and directors of GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC?
The 990-EZ for the year ended December 31, 2024 lists 8 people; 0 received compensation from the organization.
How much revenue does GREAT LAKES SOCIETY OF DIABETES & ENDOCRINOLOGY INC have?
On its 990-EZ for the year ended December 31, 2024 it reported revenue of $83,525, expenses of $71,361 and total assets of $168,077 at year end.

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