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Nonprofit · EIN 26-0895668

MATHIESEN MEMORIAL HEALTH CLINIC

Tax-exempt · JAMESTOWN, CA 95327

Financials

$12.7M$10.6M2023$15.2M$13.8M2024
Revenue Expenses · by fiscal year end
Financials of MATHIESEN MEMORIAL HEALTH CLINIC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$15,182,356$13,755,867$1,426,489$11,163,446$1,175,573$9,987,873
December 31, 2023990$12,735,237$10,575,734$2,159,503$9,258,094$696,710$8,561,384
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$2,562,940
of which government grants
$2,269,991
Program service revenue
$12,619,416
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$960,228
Other salaries and wages
$7,188,701
Salaries, compensation and benefits (total)
$10,308,286
Professional fundraising fees
$0
Legal fees
$91,699
Accounting fees
$64,746
Occupancy
$285,724
Travel
$102,784
Depreciation
$242,412
Program services (functional)
$10,837,224
Management and general (functional)
$2,918,643

Balance sheet and other

Total assets, start of year
$9,258,094
Total assets, end of year
$11,163,446
Total liabilities, end of year
$1,175,573
Net assets, end of year
$9,987,873
Land, buildings and equipment
$3,101,938
Net assets without donor restrictions
$9,946,603
Net assets with donor restrictions
$41,270
Gross receipts
$15,182,356
Employees
105
Year formed
2007
State of legal domicile
CA

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
GINA VALENTE-MOOREFNPCOO
Officer
40$355,888$41,436
JOHN VASSCEO
Officer
40$346,808$34,453
TOM KINGFNP
Highest-paid employee
40$264,723$35,762
DAVID DEMATTEIPA
Highest-paid employee
40$261,139$35,550
TAYA STANLEYACUPUNTURIST
Highest-paid employee
40$244,532$35,803
NATHANIEL METHOTFNP
Highest-paid employee
40$222,454$34,731
THERESA SALESFNP
Highest-paid employee
40$200,069$25,177
AMY CURTINCFO
Officer
40$150,491$31,150
JOSEPH MATHIESEN-POWELLHEALTH BOARD CHAIRMAN
Trustee or director
2$0$0
TONY ERWINHEALTH BOARD MEMBER
Trustee or director
2$0$0
ALYSSA COGBURNHEALTH BOARD MEMBER
Trustee or director
2$0$0
RAYMOND MATHIESENVICE CHAIRMAN
Trustee or director
2$0$0
MELISSA MATHIESEN POWELLSECRETARY
Trustee or director
2$0$0
990 for the year ended December 31, 2023: 13 people
NameTitleHours / weekCompensationOther / benefits
GINA VALENTE-MOOREFNPCOO
Officer
40$333,983$38,583
JOHN VASSCEO
Officer
40$274,915$35,571
TOM KINGFNP
Highest-paid employee
40$233,394$31,891
TAYA STANLEYACUPUNTURIST
Highest-paid employee
40$224,997$34,151
DAVID DEMATTEIPA
Highest-paid employee
40$207,784$22,540
NATHANIEL METHOTFNP
Highest-paid employee
40$195,802$31,853
KIMBERLEY SCHAUERPAC
Highest-paid employee
40$196,985$29,854
AMY CURTINCFO
Officer
40$127,951$28,326
MELISSA MATHIESEN POWELLMEMBER
Trustee or director
2$0$0
RAYMOND MATHIESENMEMBER
Trustee or director
2$0$0
LLOYD MATHIESENMEMBER
Trustee or director
2$0$0
JOSEPH MATHIESEN-POWELLHEALTH BOARD CHAIRMAN
Trustee or director
2$0$0
TONY ERWINHEALTH BOARD MEMBER
Trustee or director
2$0$0

Address and contacts

Address (IRS master file)
18144 SECO ST, JAMESTOWN, CA 95327-9498
In care of
% JOHN VASS
Principal officer (990 for 2024)
JOHN VASS, PO BOX 535, JAMESTOWN, CA 95327
Signed the 990
JOHN VASS, Chief Executive Officer
Phone
(209) 984-4820
Return prepared by
SNYDER & BROWN CPAS PLLC

California records

California keeps its own records of charities and corporations. Search them by EIN 26-0895668 or by the name MATHIESEN MEMORIAL HEALTH CLINIC.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

TO PROVIDE NEEDED COMPREHENSIVE HEALTH SERVICES TO THE TRIBAL MEMBERSHIP, TRIBAL EMPLOYEES, NON-AFFILIATED AMERICAN INDIANS RESIDING IN TOLUMNE COUNTY AND RESIDENTS IN THE GREATER JAMESTOWN, CALIFORNIA AREA

990 for the year ended December 31, 2024

Program accomplishments

  • OPERATION OF A HEALTH CLINIC
    Expenses $10,837,224 · grants $12,619,416

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
26-0895668
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Hospital or medical research organization
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2010
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Health care (E32)
Assets (IRS master file)
$11,163,446
Income (IRS master file)
$15,182,356

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$15,182,356$13,755,867$11,163,446XML
990December 2023$12,735,237$10,575,734$9,258,094XML
990December 2022$10,756,525$8,006,965$7,112,111IRS
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 26-0895668).

Questions about MATHIESEN MEMORIAL HEALTH CLINIC

What is the EIN of MATHIESEN MEMORIAL HEALTH CLINIC?
The employer identification number (EIN) of MATHIESEN MEMORIAL HEALTH CLINIC is 26-0895668.
Is MATHIESEN MEMORIAL HEALTH CLINIC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
Are donations to MATHIESEN MEMORIAL HEALTH CLINIC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MATHIESEN MEMORIAL HEALTH CLINIC 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 MATHIESEN MEMORIAL HEALTH CLINIC 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 MATHIESEN MEMORIAL HEALTH CLINIC 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 MATHIESEN MEMORIAL HEALTH CLINIC?
The 990 for the year ended December 31, 2024 names JOHN VASS.
Who are the officers and directors of MATHIESEN MEMORIAL HEALTH CLINIC?
The 990 for the year ended December 31, 2024 lists 13 people; 8 received compensation from the organization, the highest $355,888 (GINA VALENTE-MOORE, FNPCOO).
How much revenue does MATHIESEN MEMORIAL HEALTH CLINIC have?
On its 990 for the year ended December 31, 2024 it reported revenue of $15,182,356, expenses of $13,755,867 and total assets of $11,163,446 at year end.

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