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Nonprofit · EIN 91-2013114

NORTHWEST ARTHRITIS INSTITUTE

Tax-exempt · SEATTLE, WA 98122

Financials

$105K$76K2024
Revenue Expenses · by fiscal year end
Financials of NORTHWEST ARTHRITIS INSTITUTE by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990-PF$105,483$76,268$29,215$445,571$0$445,571
Financial details: 990-PF for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$105,483

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$72,417

Balance sheet and other

Total assets, start of year
$416,356
Total assets, end of year
$445,571
Total liabilities, end of year
$0
Net assets, end of year
$445,571
Fair market value of assets
$445,773
Qualifying distributions
$72,417

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-PF for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensation
PHILIP MEASE MD
1229 MADISON ST 1450, SEATTLE, WA 98104
TRUSTEE8$0

Address and contacts

Address (IRS master file)
601 BROADWAY 600, SEATTLE, WA 98122-5330
In care of
% PHILIP MEASE MD
Signed the 990-PF
PHILIP MEASE, TRUSTEE
Phone
(206) 386-2001
Return prepared by
HASSON LAIBLE & CO PS

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file
2023December 31, 2023May 15, 2024Check at the IRS

IRS record

EIN
91-2013114
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
2001
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$445,571
Income (IRS master file)
$105,483

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2024$105,483$76,268$445,571XML
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 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 91-2013114).

Questions about NORTHWEST ARTHRITIS INSTITUTE

What is the EIN of NORTHWEST ARTHRITIS INSTITUTE?
The employer identification number (EIN) of NORTHWEST ARTHRITIS INSTITUTE is 91-2013114.
Is NORTHWEST ARTHRITIS INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to NORTHWEST ARTHRITIS INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
Which annual return does NORTHWEST ARTHRITIS INSTITUTE file?
Form 990-PF. Private foundations file every year.
When is the next return of NORTHWEST ARTHRITIS INSTITUTE 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 NORTHWEST ARTHRITIS INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2024.
Who are the officers and directors of NORTHWEST ARTHRITIS INSTITUTE?
The 990-PF for the year ended December 31, 2024 lists 1 person; 0 received compensation from the organization.
How much revenue does NORTHWEST ARTHRITIS INSTITUTE have?
On its 990-PF for the year ended December 31, 2024 it reported revenue of $105,483, expenses of $76,268 and total assets of $445,571 at year end.

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