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Nonprofit · EIN 52-1959601

THE MAST CELL DISEASE SOCIETY INC

Tax-exempt · STERLING, MA 01564

Financials

$466K$462K2023$516K$619K2024
Revenue Expenses · by fiscal year end
Financials of THE MAST CELL DISEASE SOCIETY INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$516,036$618,940-$102,904$988,433$28,097$960,336
December 31, 2023990$466,123$462,451$3,672$1,095,454$32,214$1,063,240
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$452,931
Program service revenue
$51,847
Investment income
$11,258
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$107,663
Other salaries and wages
$178,273
Salaries, compensation and benefits (total)
$357,225
Professional fundraising fees
$0
Accounting fees
$32,380
Occupancy
$1,434
Program services (functional)
$526,485
Management and general (functional)
$72,437
Fundraising (functional)
$20,018

Balance sheet and other

Total assets, start of year
$1,095,454
Total assets, end of year
$988,433
Total liabilities, end of year
$28,097
Net assets, end of year
$960,336
Net assets without donor restrictions
$791,411
Net assets with donor restrictions
$168,925
Gross receipts
$516,036
Employees
5
Volunteers
31
Year formed
1994
State of legal domicile
MD

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.

NameTitleHours / weekCompensationOther / benefits
JESSICA FRASEREXECUTIVE DIRECTOR
Trustee or director, Officer
20$99,924$7,739
CELESTE FINNERTYVICE CHAIR
Trustee or director, Officer
20$0$0
JENNIFER NICOLORO-SANTABARBARASECRETARY
Trustee or director, Officer
1$0$0
COURTNEY RABBEX VICE CHAIR
Trustee or director, Officer
5$0$0
ROSEMARY SCHULTZINTERIM TREASURER
Trustee or director, Officer
10$0$0
JUDITH EMMELCHAIR
Trustee or director, Officer
20$0$0
ARIELLA COHEN COLEMANDIRECTOR AT LARGE
Trustee or director
20$0$0
COLE SHOEMAKERDIRECTOR AT LARGE
Trustee or director
20$0$0
990 for the year ended December 31, 2023: 7 people
NameTitleHours / weekCompensation
JESSICA FRASEREXECUTIVE DIRECTOR
Trustee or director, Officer
20$77,846
CELESTE FINNERTYVICE CHAIR
Trustee or director, Officer
20$0
JENNIFER NICOLORO-SANTABARBARASECRETARY
Trustee or director, Officer
1$0
COURTNEY RABBVICE CHAIR
Trustee or director, Officer
5$0
ROSEMARY SCHULTZINTERIM TREASURER
Trustee or director, Officer
10$0
JUDITH EMMELCHAIR
Trustee or director, Officer
20$0
ARIELLA COHEN COLEMANDIRECTOR AT LARGE
Trustee or director
20$0

Address and contacts

Address (IRS master file)
153 CLINTON RD BOX 416, STERLING, MA 01564-2357
Principal officer (990 for 2024)
JUDITH EMMEL, PO BOX 416, STERLING, MA 01564
Signed the 990
ROSEMARY SCHULTZ, INTERIM TREASURER
Phone
(508) 736-5327
Return prepared by
CNA TAX PROFESSIONALS INC

Mission

THE MAST CELL DISEASE SOCIETY, INC IS DEDICATED TO PROVIDING MULTI-FACETED SUPPORT TO PATIENTS, FAMILIES, AND MEDICAL PROFESSIONALS IN OUR COMMUNITY AND TO LEADING THE ADVANCEMENT OF KNOWLEDGE AND RESEARCH IN MAST CELL DISEASES THROUGH EDUCATION, ADVOCACY, AND COLLABORATION.

990 for the year ended December 31, 2024

Program accomplishments

  • THE ANNUAL MEETING BRINGS MEDICAL PROFESSIONALS AND TMS MEMBERS TOGETHER FOR MEDICAL PRESENTATIONS ON MAST CELL DISEASE CONCERNS. IN ADDITION, THE MEETING OFFERS PANEL DISCUSSIONS WITH LEADING EXPERTS, WELLNESS WORKSHOPS, AND SUPPORT GROUP ACTIVITIES.
    Expenses $526,485 · revenue $51,847

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 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
52-1959601
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
1997
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$988,433
Income (IRS master file)
$516,036

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$516,036$618,940$988,433XML
990December 2023$466,123$462,451$1,095,454XML
990December 2022$441,868$419,253$1,074,492IRS
990December 2021–––IRS
990December 2020–––IRS
990December 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 52-1959601).

Questions about THE MAST CELL DISEASE SOCIETY INC

What is the EIN of THE MAST CELL DISEASE SOCIETY INC?
The employer identification number (EIN) of THE MAST CELL DISEASE SOCIETY INC is 52-1959601.
Is THE MAST CELL DISEASE SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1997.
Are donations to THE MAST CELL DISEASE SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THE MAST CELL DISEASE 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 THE MAST CELL DISEASE SOCIETY 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 THE MAST CELL DISEASE SOCIETY INC 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 THE MAST CELL DISEASE SOCIETY INC?
The 990 for the year ended December 31, 2024 names JUDITH EMMEL.
Who are the officers and directors of THE MAST CELL DISEASE SOCIETY INC?
The 990 for the year ended December 31, 2024 lists 8 people; 1 received compensation from the organization, the highest $99,924 (JESSICA FRASER, EXECUTIVE DIRECTOR).
How much revenue does THE MAST CELL DISEASE SOCIETY INC have?
On its 990 for the year ended December 31, 2024 it reported revenue of $516,036, expenses of $618,940 and total assets of $988,433 at year end.

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