Western Regional Medical Center Inc
To provide compassionate medical care to people with cancer, diabetes and other life-threatening illnesses and transforming the future of cancer care by unifying the branches of biomedical research, treatment and academia.
Western Regional Medical Center Inc at a glance
- Total assets
- $188,762,770
- +89.1% vs 2024
- Revenue (2025)
- $320,817,905
- +101.3% vs 2024
- Net investment income (2025)
- $80,004
- +325.9% vs 2024
- Expenses (2025)
- $370,140,496
- +80.4% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Western Regional Medical Center Inc funds
How this funder distributes its grants
Grant Size Distribution
1 grant across all recorded years
The most common grant size was in the $1–5M range: 1 grant of 1 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2024 it made 1 grant totaling $3.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| COH HoldCo Inc Duarte, CA | Operating Support | $3,484,260 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $188,762,770 | $320,817,905 | $370,140,496 | — | — | $80,004 |
| 2024 | $99,808,190 | $159,339,175 | $205,186,346 | $3,484,260 | 1 | $18,783 |
| 2023 | $104,846,188 | $149,328,421 | $134,761,934 | — | — | $13,618 |
About Western Regional Medical Center Inc
Based on IRS filings
Western Regional Medical Center Inc is a public charity focused on Health, based in Duarte, CA. IRS filing data is available from 2023 through 2025. As of 2025, the organization holds $188.8M in total assets. Net investment income was $80K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Western Regional Medical Center Inc is led by Robert W. Stone, Coh President & CEO since 2025 (on filings since 2024); 17 of 27 officers listed in 2025 are compensated.
Officers on the 2025 filing
Robert W. Stone
Coh President & CEO
President & CEO → Coh President & CEO, 2025
On filings since 2024
3 hrs/week
$224K (2024) → $304K (2025)
Harlan Alcon Levine
President, Hlth Innovation & Policy
On filings since 2024
3 hrs/week
$99K (2024) → $110K (2025)
Kevin Manemann
President, Executive Vice President & Chief Integration Offcr
Executive Vice President & Chief Integration Offcr → President, Executive Vice President & Chief Integration Offcr, 2025
On filings since 2024
6 hrs/week
$138K (2024) → $179K (2025)
Marcellus R. Van Den Brink MD PhD
Cohnmc President & Chf Phys Executive
New on the 2025 filing
1 hr/week
$22K (2025)
Glenn D. Steele Jr. MD PhD
Director & Chair of the Board
On filings since 2023
2 hrs/week
No compensation reported
Barbara Bruser CFA
Director
On filings since 2023
2 hrs/week
No compensation reported
Morgan Chu Esq.
Director
On filings since 2023
2 hrs/week
No compensation reported
Philip Fasano
Director
On filings since 2023
2 hrs/week
No compensation reported
Ronald L. Sargent
Director & Vice Chair
On filings since 2023
2 hrs/week
No compensation reported
Selwyn Isakow
Director
On filings since 2023
2 hrs/week
No compensation reported
Steven B. Fink
Director
On filings since 2023
2 hrs/week
No compensation reported
Suzanne Vautrinot
Director
On filings since 2023
2 hrs/week
No compensation reported
William J. Post
Director
On filings since 2023
2 hrs/week
No compensation reported
Cristin J O'Callahan
Secretary & General Counsel
Corp. Secretary & General Counsel → General Counsel & Corp Secretary, 2024
General Counsel & Corp Secretary → Secretary & General Counsel, 2025
On filings since 2023
3 hrs/week
$57K (2024) → $68K (2025)
Debra F. Fields
Executive Vice President & Chief Transformation Ofc
Executive Vice President & Chief Transformation Officer → Executive Vice President & Chief Transformation Ofc, 2024
On filings since 2023
3 hrs/week
$85K (2024) → $97K (2025)
Jo Ann Escasa-Haigh
Chief Business Officer
Treasurer & CFO - → Chief Business Officer, 2024
On filings since 2023
2 hrs/week
$73K (2024) → $80K (2025)
Mark Hulse
Former Chief Digital Officer
Chief Digital Officer → Former Chief Digital Officer, 2025
On filings since 2023
$69K (2024) → $15K (2025)
Alan Bryce
Market President - Phoenix & Chief Clinical Officer
Chief Clinical Officer → Market President - Phoenix & Chief Clinical Officer, 2025
On filings since 2024
60 hrs/week
$200K (2024) → $920K (2025)
Jeffrey Siupik
Chief Operating Officer & Phoenix
Chief Operating Officer & Site → Chief Operating Officer & Phoenix, 2025
On filings since 2024
60 hrs/week
$430K (2024) → $412K (2025)
Kevin Tulipana
Market President - Phoenix
On filings since 2024
60 hrs/week
$566K (2024) → $532K (2025)
Kristin Bertell
Chief Philanthropy Officer
On filings since 2024
2 hrs/week
$41K (2024) → $46K (2025)
Sarah Cossette
Vice President Patient Care Services & Chief Nursing Officer
Vice President & Patient Care Services → Vice President Patient Care Services & Chief Nursing Officer, 2025
On filings since 2024
60 hrs/week
$281K (2024) → $254K (2025)
Vijay Trisal MD
System Chief Clinical Officer
On filings since 2024
2 hrs/week
$37K (2024) → $42K (2025)
William Laing
Vice President & Finance
On filings since 2024
60 hrs/week
$288K (2024) → $286K (2025)
Yvette Tremonti
Treasurer & Chief Financial Officer
On filings since 2024
3 hrs/week
$43K (2025)
Simon Nazarian
Chief Digital Officer
New on the 2025 filing
3 hrs/week
$45K (2025)
Jennifer A. Parkhurst
Former Officer
Treasurer & CFO - → Former Officer, 2024
On filings since 2023
No compensation reported
Former officers (3)
- Former: Philip Okala (2023–2024) — Former Key Employee.
- Former: Vincent D Jensen (2024) — Syst Chf Executive - Med Fndtn & Phys Svcs
- Former: Kevin Tulipana DO MS (2023) — President
Data from IRS Form 990 filings, 2023–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $920K, to Alan Bryce (Market President - Phoenix (From 09/25)/Chief Clinical Officer). 17 officers or directors reported compensation on that filing.
Frequently asked questions about Western Regional Medical Center Inc
How large is Western Regional Medical Center Inc?
Western Regional Medical Center Inc reported $188.8M in total assets on its 2025 IRS Form 990. Its revenue that year was $320.8M.
What is Western Regional Medical Center Inc?
Western Regional Medical Center Inc is a public charity focused on Health, based in Duarte, CA. It holds $188.8M in total assets as of 2025.
Where does Western Regional Medical Center Inc operate?
Western Regional Medical Center Inc has awarded grants in California.
What is Western Regional Medical Center Inc's EIN?
Western Regional Medical Center Inc's EIN (Employer Identification Number) is 32-0197974. IRS Form 990 filing data is available on this page for 2023–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2024 (received by the IRS August 18, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS August 13, 2026)
- IRS filings on file for fiscal years 2023–2024
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