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Nonprofit · EIN 82-3994798

MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST

Tax-exempt · NEW YORK, NY 10017

Financials

$108.6M$110.5M2023$106.1M$97.6M2024
Revenue Expenses · by fiscal year end
Financials of MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$106,111,531$97,581,248$8,530,283$588,189,626$553,249,624$34,940,002
December 31, 2023990$108,638,173$110,450,022-$1,811,849$481,911,261$485,294,783-$3,383,522
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$0
Program service revenue
$105,719,075
Investment income
$392,456
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$9,460
Salaries, compensation and benefits (total)
$9,460
Professional fundraising fees
$0
Program services (functional)
$97,581,248

Balance sheet and other

Total assets, start of year
$481,911,261
Total assets, end of year
$588,189,626
Total liabilities, end of year
$553,249,624
Net assets, end of year
$34,940,002
Publicly traded securities
$497,690,939
Net assets without donor restrictions
$34,940,001
Gross receipts
$106,111,531
Employees
0
Volunteers
0
Year formed
2018
State of legal domicile
NY

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 / weekCompensation
COMERICA BANK TRUST NATIONAINSTITUTIONAL TRUSTEE
Institutional trustee
0.3$9,460
990 for the year ended December 31, 2023: 1 people
NameTitleHours / weekCompensation
COMERICA BANK & TRUST NATIONAINSTITUTIONAL TRUSTEE
Institutional trustee
0.3$2,502

Address and contacts

Address (IRS master file)
150 EAST 42ND STREET, NEW YORK, NY 10017-5612
In care of
% COMERICA BANK & TRST NAT ASS
Principal officer (990 for 2024)
VINCENT TAMMARO, 150 EAST 42ND STREET, NEW YORK, NY 10017
Signed the 990
Vincent Tammaro, Officer
Phone
(718) 891-0700
Return prepared by
ERNST & YOUNG US LLP

Mission

MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST IS A SELF INSURANCE PROGRAM FOR THE PURPOSE OF SETTLING HEALTH CARE PATIENT CLAIMS ARISING FROM MEDICAL MALPRACTICE LIABILITY AND HOSPITAL PROFESSIONAL LIABILITY CLAIMS AGAINST THE MEMBERS OF THE MOUNT SINAI HEALTH SYSTEM THEIR EMPLOYEES AND AGENTS.

990 for the year ended December 31, 2024

Program accomplishments

  • PAYMENTS FROM THE TRUST FOR SETTLING HEALTH CARE CLAIMS ASSERTING PROFESSIONAL NEGLIGENCE; INCLUDING EXCESS INSURANCE PREMIUMS FOR CLAIMS EXCEEDING THE SELF INSURANCE RETENTION AND OTHER MISCELLANEOUS EXPENSES RELATED TO THE PROGRAM FOR ACTUARIAL EXPENSES.
    Expenses $97,581,248 · revenue $105,719,075

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
82-3994798
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization, Type II
Donations deductible (Pub 78)
Supporting organization, 50% limit
Exempt since
2019
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Health care (E30)
Assets (IRS master file)
$588,189,626
Income (IRS master file)
$106,111,531

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$106,111,531$97,581,248$588,189,626IRS
990December 2023$108,638,173$110,450,022$481,911,261XML
990December 2022$59,869,618$127,690,751$382,755,130IRS
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 82-3994798).

Questions about MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST

What is the EIN of MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST?
The employer identification number (EIN) of MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST is 82-3994798.
Is MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
Which annual return does MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST 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 MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST 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 MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST 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 MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST?
The 990 for the year ended December 31, 2024 names VINCENT TAMMARO.
Who are the officers and directors of MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST?
The 990 for the year ended December 31, 2024 lists 1 person; 1 received compensation from the organization, the highest $9,460 (COMERICA BANK TRUST NATIONA, INSTITUTIONAL TRUSTEE).
How much revenue does MOUNT SINAI HEALTH SYSTEM SELF INSURANCE TRUST have?
On its 990 for the year ended December 31, 2024 it reported revenue of $106,111,531, expenses of $97,581,248 and total assets of $588,189,626 at year end.

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