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Nonprofit · EIN 84-2525123

ALAMEDA HEALTH SYSTEM MEDICAL STAFF

Tax-exempt · OAKLAND, CA 94602

Financials

$193K$156K2023$266K$180K2024$201K$253K2025
Revenue Expenses · by fiscal year end
Financials of ALAMEDA HEALTH SYSTEM MEDICAL STAFF by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$201,180$253,361-$52,181$303,367$0$303,367
December 31, 2024990$265,796$179,907$85,889$355,546$0$355,546
December 31, 2023990-EZ$192,543$155,863$36,680$269,657$0$269,657
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$201,138
Membership dues
$201,138
Program service revenue
$0
Investment income
$42
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$40,020
Other salaries and wages
$43,750
Salaries, compensation and benefits (total)
$83,770
Professional fundraising fees
$0
Legal fees
$98,110
Accounting fees
$1,950
Program services (functional)
$239,559
Management and general (functional)
$13,802

Balance sheet and other

Total assets, start of year
$355,546
Total assets, end of year
$303,367
Total liabilities, end of year
$0
Net assets, end of year
$303,367
Gross receipts
$201,180
Employees
0
Volunteers
0
Year formed
2019
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
BERENICE PEREZ MDCHIEF OF STAFF
Officer
20$25,000
BHRETT LASH MDVICE CHIEF OF STAFF
Officer
5$15,020
CHARLOTTE WILLS MDTREASURER
Officer
6.25$0
SHARAM AARABI MDSECRETARY
Officer
2$0
990 for the year ended December 31, 2024: 6 people
NameTitleHours / weekCompensation
LAN NA LEE MDCHIEF OF STAFF
Officer
20$18,750
BRANDON BOESCH DOVICE CHIEF OF STAFF
Officer
5$6,250
CHARLOTTE WILLS MDTREASURER
Officer
6.25$0
LILAVATI INDULKAR MDSECRETARY
Officer
4$0
BHRETT LASH MDVICE CHIEF OF STAFF
Officer
5$0
IRINA V WILLIAMS MDIMMEDIATE CHIEF OF STAFF
Officer
0$0
990-EZ for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
LAN NA LEE MDCHIEF OF STAFF20$25,000
BRANDON BOESCH DOVICE CHIEF OF STAFF10$12,500
CHARLOTTE WILLS MDTREASURER6.25$0
LILAVATI INDULKAR MDSECRETARY4$0

Address and contacts

Address (IRS master file)
1411 E 31ST ST, OAKLAND, CA 94602-1018
In care of
% MIRIAM KELLEY BULLARD
Principal officer (990 for 2025)
CHARLOTTE WILLS MD, 1411 E 31ST STREET, OAKLAND, CA 94602
Signed the 990
CHARLOTTE WILLS MD, TREASURER
Phone
(510) 422-3444
Return prepared by
WMB2 LLP

California records

California keeps its own records of charities and corporations. Search them by EIN 84-2525123 or by the name ALAMEDA HEALTH SYSTEM MEDICAL STAFF.

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

Mission

THE ALAMEDA HEALTH SYSTEM MEDICAL STAFF IS AN UNINCORPORATED ASSOCIATION COMPOSED OF THOSE PHYSICIANS, AND LIMITED CATEGORIES OF OTHER HEALTHCARE PROVIDERS, WHO PROVIDE PATIENT CARE TO PATIENTS SEEKING GENERAL ACUTE CARE AT ALAMEDA HEALTH SYSTEM.IN ACCORD WITH ITS MISSION, THE ACTIVITIES OF THE UNINCORPORATED ASSOCIATION ARE DESIGNATED TO DO THE FOLLOWING: ELEVATE THE QUALITY OF CARE FOR ALL PATIENTS AT ALAMEDA HEALTH SYSTEM TO MONITOR THE QUALITY OF HEALTH CARE BEING PROVIDED TO SERVE AS A RESOURCE FOR PHYSICIANS WHO PROVIDE THAT CARE TO SERVE AS A RESOURCE FOR OTHER PHYSICIANS WHO PROVIDE HEALTH CARE ELSEWHERE THROUGHOUT ALAMEDA HEALTH SYSTEM TO SUPPORT AND MAKE POSSIBLE THE PROVISION OF CARE, EMERGENT AND OTHERWISE, OF MEDICALLY UNDERSERVED RESIDENTS OF ALAMEDA COUNTY TO IMPROVE HEALTHCARE BY EDUCATING AND TRAINING FUTURE HEALTHCARE PROFESSIONALS TO PROVIDE THESE SERVICES WITHOUT REGARD TO RACE, RELIGION, NATIONAL ORIGIN, SEXUAL ORIENTATION, ECONOMIC CIRCUMSTANCE

990 for the year ended December 31, 2025

Program accomplishments

  • APPLICATION FEES AND MEMBERSHIP DUES, STIPENDS TO DOCTORS FOR ADMINISTRATIVE SERVICES RENDERED ON BEHALF OF THE MED STAFF ORGANIZATION.
    Expenses $239,559 · revenue $201,138

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-EZ on file

IRS record

EIN
84-2525123
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2020
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$303,367
Income (IRS master file)
$201,180

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$201,180$253,361$303,367XML
990December 2024$265,796$179,907$355,546XML
990-EZDecember 2023$192,543$155,863$269,657XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 2019–––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 84-2525123).

Questions about ALAMEDA HEALTH SYSTEM MEDICAL STAFF

What is the EIN of ALAMEDA HEALTH SYSTEM MEDICAL STAFF?
The employer identification number (EIN) of ALAMEDA HEALTH SYSTEM MEDICAL STAFF is 84-2525123.
Is ALAMEDA HEALTH SYSTEM MEDICAL STAFF tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2020.
Are donations to ALAMEDA HEALTH SYSTEM MEDICAL STAFF tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ALAMEDA HEALTH SYSTEM MEDICAL STAFF 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 ALAMEDA HEALTH SYSTEM MEDICAL STAFF 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 ALAMEDA HEALTH SYSTEM MEDICAL STAFF 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 ALAMEDA HEALTH SYSTEM MEDICAL STAFF?
The 990 for the year ended December 31, 2025 names CHARLOTTE WILLS MD.
Who are the officers and directors of ALAMEDA HEALTH SYSTEM MEDICAL STAFF?
The 990 for the year ended December 31, 2025 lists 4 people; 2 received compensation from the organization, the highest $25,000 (BERENICE PEREZ MD, CHIEF OF STAFF).
How much revenue does ALAMEDA HEALTH SYSTEM MEDICAL STAFF have?
On its 990 for the year ended December 31, 2025 it reported revenue of $201,180, expenses of $253,361 and total assets of $303,367 at year end.

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