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Nonprofit · EIN 31-1634918

WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION

Tax-exempt · SANTA ANA, CA 92705

Financials

$224K$207K2023$194K$337K2024$85K$276K2025
Revenue Expenses · by fiscal year end
Financials of WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$85,061$275,759-$190,698$1,097,381$0$1,097,381
December 31, 2024990$194,028$337,200-$143,172$1,151,191$0$1,151,191
December 31, 2023990$223,931$207,045$16,886$1,255,608$0$1,255,608
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$72,545
Investment income
$12,516
Net gain from sales of assets
-$21,471
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$125,225
Salaries, compensation and benefits (total)
$135,653
Professional fundraising fees
$0
Accounting fees
$8,344
Program services (functional)
$265,132
Management and general (functional)
$10,627

Balance sheet and other

Total assets, start of year
$1,151,191
Total assets, end of year
$1,097,381
Total liabilities, end of year
$0
Net assets, end of year
$1,097,381
Publicly traded securities
$1,099,689
Gross receipts
$448,235
Employees
4
Volunteers
0
Year formed
1998
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, 2025, highest compensation first.

NameTitleHours / weekCompensation
PHILIP ROTTERCHIEF OF STAFF
Officer
5$85,600
NGUYEN D DANGVICE CHEIF OF STAFF
Officer
5$23,375
NARINDAR SINGHSECRETARY
Officer
5$13,000
ANA SANCHEZPAST SECRETARY
Officer
5$3,250
HUMBERTO SAURIPAST V. CHIEF OF STFF
Officer
5$0
990 for the year ended December 31, 2024: 5 people
NameTitleHours / weekCompensation
Philip RotterChief of Staff
Officer
5$100,225
Nguyen D DangV. Chief of Sta
Officer
5$17,100
Humberto SauriPast V. Ch Stf
Officer
5$11,000
Ana SanchezPast Secretary
Officer
5$10,700
Narindar SinghSecretary
Officer
5$8,000
990 for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
Philip RotterChief of Staff
Officer
5$60,000
Humberto SauriV. Chief of Stf
Officer
5$16,500
Narindar SinghSecretary/Treas
Officer
5$12,000
Steve Q Bui MDPast Chief of S
Officer
5$0

Address and contacts

Address (IRS master file)
1001 N TUSTIN AVE, SANTA ANA, CA 92705-3502
In care of
% NARINDAR SINGH
Principal officer (990 for 2025)
NARINDAR SINGH, 1001 N TUSTIN, SANTA ANA, CA 92705
Signed the 990
NARINDAR SINGH, Treasurer
Phone
(714) 953-3368
Return prepared by
Kaiser & Bonds LLP

California records

California keeps its own records of charities and corporations. Search them by EIN 31-1634918 or by the name WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION.

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

Mission

THE ORGANIZATION CARRIES ON ACTIVITIES TO ASSURE THAT MEDICINE PRACTICED AT THE FACILITY MEETS ACCEPTABLE STANDARDS BY PERFORMING THE FOLLOWING: 1. SCHEDULING AND ORGANIZING CONTINUING MEDICAL EDUCATION (CME) FOR THE PHYSICIANS ON STAFF, 2. MAINTAINING A QUALITY ASSURANCE COMMITTEE WHICH ALSO INCORPORATES THE CREDENTIALING OF THE MEDICAL STAFF. 3. SUPPORTING PROGRAMS THAT ARE ASSOCIATED WITH THE COMMUNITY HEALTH NEEDS, INCLUDING PROVIDING NO COST MEDICAL CARE TO THE INDIGENT OF ORANGE COUNTY, CA.

990 for the year ended December 31, 2025

Program accomplishments

  • STIPENDS AND AWARDS PAID TO DEPARTMENT CHAIRS, CHIEF OF STAFF AND HEAD OF CREDENTIALING. CHAIRS OVERSEE QUALITY ASSURANCE AND CREDENTIALING OF MEDICAL STAFF.
    Expenses $101,725
  • CME ACCREDITATION
    Expenses $10,932
  • DONATIONS, GIFTS TO THE PROMOTION OF EDUCATION IN NURSING AND OTHER HEALTH PROGRAMS.
    Expenses $1,308
  • OTHER PROGRAM EXPENSES
    Expenses $151,167

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, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
31-1634918
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1999
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,097,381
Income (IRS master file)
$448,235

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$85,061$275,759$1,097,381XML
990December 2024$194,028$337,200$1,151,191IRS
990December 2023$223,931$207,045$1,255,608XML
990December 2022$290,007$266,982$1,149,460IRS
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 31-1634918).

Questions about WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION

What is the EIN of WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION?
The employer identification number (EIN) of WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION is 31-1634918.
Is WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1999.
Are donations to WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION 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 WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION?
The 990 for the year ended December 31, 2025 names NARINDAR SINGH.
Who are the officers and directors of WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION?
The 990 for the year ended December 31, 2025 lists 5 people; 4 received compensation from the organization, the highest $85,600 (PHILIP ROTTER, CHIEF OF STAFF).
How much revenue does WESTERN MEDICAL CENTER SANTA ANA MEDICAL STAFF ORGANIZATION have?
On its 990 for the year ended December 31, 2025 it reported revenue of $85,061, expenses of $275,759 and total assets of $1,097,381 at year end.

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