Nonprofit · EIN 32-0075579
MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER
Tax-exempt · COLTON, CA 92324
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $183,357 | $137,307 | $46,050 | $244,443 | $0 | $244,443 |
| December 31, 2024 | 990-EZ | $190,810 | $121,028 | $69,782 | $198,393 | $0 | $198,393 |
| December 31, 2023 | 990-EZ | $153,775 | $106,080 | $47,695 | $128,611 | $0 | $128,611 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $183,357
Expenses
- Compensation of officers, directors and key employees
- $36,000
- Salaries, compensation and benefits (total)
- $36,000
- Professional fees and payments to contractors
- $1,046
- Other expenses
- $100,261
Balance sheet and other
- Total assets, start of year
- $198,393
- Total assets, end of year
- $244,443
- Total liabilities, end of year
- $0
- Net assets, end of year
- $244,443
- Cash, savings and investments
- $244,443
- Gross receipts
- $183,357
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DAVID SEIGLER MD | PRESIDENT | 10 | $24,000 |
| WEBSTER WONG MD | PRESIDENT-ELECT | 10 | $12,000 |
| STEVEN BARR MD | SECRETARY/TREASURER | 5 | $0 |
990-EZ for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HYUNG-SUK TOMMY LEE MD | FORMER PRESIDENT | 10 | $24,000 |
| DAVID SEIGLER MD | PRESIDENT | 10 | $12,000 |
| MICHAEL TOMKINS DO | SECRETARY/TREASURER | 5 | $0 |
990-EZ for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KAMBIZ RAOUFI MD | PRESIDENT | 10 | $24,000 |
| HYUNG-SUK TOMMY LEE | PRESIDENT ELECT | 10 | $12,000 |
| MICHAEL TOMKINS DO | SECRETARY/TREASURER | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 400 N PEPPER AVE, COLTON, CA 92324-1801
- In care of
- % DEBBIE STRECK
- Signed the 990-EZ
- DAVID SEIGLER MD, PRESIDENT
- Phone
- (909) 580-3340
- Return prepared by
- SCHETTLER MACY & ASSOCIATES
California records
California keeps its own records of charities and corporations. Search them by EIN 32-0075579 or by the name MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
TO ENSURE THAT ALL PATIENTS ADMITTED TO OR TREATED AT THE MEDICAL CENTER RECEIVE CARE WHICH IS AT A LEVEL OF QUALITY AND EFFICIENCY CONSISTENT WITH GENERALLY ACCEPTED STANDARDS AND ATTAINABLE WITHIN THE MEDICAL CENTERS MEANS AND CIRCUMSTANCES.
Program accomplishments
- THE STRONG CREDENTIALING PROGRAM RESULTED IN QUALITY ADDITIONS TO THE MEDICAL STAFF AND ASSURED A HIGH STANDARD OF PATIENT CARE
- ATTENDANCE AT CONTINUING MEDICAL EDUCATION EVENTS ASSURED THAT PHYSICIANS WERE KEPT ABREAST OF NEW DEVELOPMENTS IN THEIR AREAS OF PRACTICE AND ASSURED CONTINNING APPLICATION OF BEST PRACTICES IN PATIENT CARE
- MAINTAIN A STRONG RECOGNITION PROGRAM FOR MEMBERS OF THE STAFF ALONG WITH RESIDENTS ASSURES THAT MORALE REMAINS CONSISTENTLY HIGH AND THE RESIDENCY PROGRAM GAINS HIGHLY QUALIFIED CANDIDATES, ESPECIALLY GIVEN THE BUDGETARY CONSTRAINTS PLACE UPON MEDICAL CENTERS DIRECTED BY COUNTY GOVERNMENT AND THEREFORE LARGELY INFLUENCED BY FACTORS OUTSIDE OF MEDICAL AND FINANCIAL CONCERNS.
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 32-0075579
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 2011
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Community improvement and capacity building (S46)
- Assets (IRS master file)
- $244,443
- Income (IRS master file)
- $183,357
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $183,357 | $137,307 | $244,443 | IRS |
| 990-EZ | December 2024 | $190,810 | $121,028 | $198,393 | XML |
| 990-EZ | December 2023 | $153,775 | $106,080 | $128,611 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
| 990-EZ | December 2017 | – | – | – | 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 32-0075579).
Questions about MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER
- What is the EIN of MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER?
- The employer identification number (EIN) of MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER is 32-0075579.
- Is MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2011.
- Are donations to MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER 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 MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER 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 MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER?
- The 990-EZ for the year ended December 31, 2025 lists 3 people; 2 received compensation from the organization, the highest $24,000 (DAVID SEIGLER MD, PRESIDENT).
- How much revenue does MEDICAL STAFF OF THE ARROWHEAD REGIONAL MEDICAL CENTER have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $183,357, expenses of $137,307 and total assets of $244,443 at year end.
Other nonprofits in COLTON
- BENJAMIN E JONES COMMUNITY RESOURCE CENTER EIN 47-3068222 · last filed 990 for 2025
- OLIVAR FOUNDATION EIN 45-4906059 · last filed 990-N for 2019
- CALIFORNIA UNIVERSITY OF SCIENCE AND MEDICINE EIN 46-4141445 · last filed 990 for 2025
- LIGHTHOUSE SOCIAL SERVICE CENTERS EIN 75-3147113 · last filed 990 for 2024
- INLAND CAREGIVER RESOURCE CENTER EIN 33-0460833 · last filed 990 for 2025
- BRIGHT HORIZONS FOSTER FAMILY AGENCY EIN 20-3736580 · last filed 990 for 2024
- CENTRAL LABOR COUNCIL AFL CIO SAN BERNARDINO & RIVERSIDE COUNTIE EIN 95-3174831 · last filed 990 for 2024
- BUSINESS CONSUMER ALLIANCE INC EIN 95-1994509 · last filed 990 for 2025
All nonprofits in COLTON · California · Community improvement and capacity building