To establish, operate and maintain multi-specialty medical clinics for the provision of healthcare services. Engage in, sponsor and promote charitable healthcare, educational and medical research activities and provide health plan services and physician
Key facts about John Muir Physician Network
In short: John Muir Physician Network gave $540K across 1 grant in 2024 (avg $540K), mostly in California. Source: 2024 IRS Form 990 filing.
- EIN
- 68-0360801
- Latest 990 filing
- Form 990 filing, 2024
- Annual giving (2024)
- $540,259
- Grants made (2024)
- 1
- Average grant
- $540,259
- Median grant
- $540,259
- Total assets
- $167,418,772
- Primary geography
- California (100% of itemized 2024 grant dollars)
Data from IRS Form 990 filing, 2024; updated September 2026.
Financial Overview
From 2024 IRS Form 990 filing · View filing
Total Assets
$167.4M
-9.7% YoY
Annual Giving
$540K
-58.6% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$540K
-58.6% YoY
How John Muir Physician Network gives
- Giving fell 93% from 2021 to 2024. Method
From the foundation's IRS Form 990 filings. Methodology.
About John Muir Physician Network
Based on IRS filings
John Muir Physician Network is a nonprofit organization focused on Health, based in Walnut Creek, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $167.4M in total assets. In 2024, it awarded 1 grant totaling $540K. Net investment income was $187K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 1 itemized 2024 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
8 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| JOHN MUIR HEALTH Walnut Creek, CA | GENERAL SUPPORT | $540,259 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $167,418,772 | $185,336,528 | $205,132,147 |
| Revenue | $519,192,918 | $582,031,651 | $572,725,768 |
| Expenses | $529,027,075 | $598,770,660 | $588,596,568 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $186,642 | $460,040 | $-42,953 |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
John Muir Physician Network is led by Michael S. Thomas, President & CEO since 2023 (on filings since 2022); 6 of 25 officers listed in 2024 are compensated.
Officers on the 2024 filing
Michael S. Thomas
President & CEO
President, CEO & Director → President & CEO, 2023
On filings since 2022
5 hrs/week
No compensation reported
Timothy Souva
Executive Director & Practice Ops
Executive Director & Practice Ops → Executive Director Cardiology & Practice Op, 2023
Executive Director Cardiology & Practice Op → Executive Director & Practice Ops, 2024
On filings since 2020
60 hrs/week
$221K (2020) → $310K (2024)
Jay Harris
Chairman
Director → Vice Chairman, 2021
Vice Chairman → Chairman, 2023
On filings since 2020
5 hrs/week
No compensation reported
Jayla Kyaw
Director & Medical Group Support
New on the 2024 filing
60 hrs/week
$276K (2024)
Anne Grodin
Director
On filings since 2020
5 hrs/week
No compensation reported
Jack Thompson
Director
On filings since 2020
5 hrs/week
No compensation reported
Kathleen Odne
Director
Vice Chairman → Chairman, 2021
Chairman → Director, 2023
On filings since 2020
5 hrs/week
No compensation reported
Mark Musco MD
Director
On filings since 2020
5 hrs/week
No compensation reported
Peter Wilson
Director
On filings since 2020
5 hrs/week
No compensation reported
Carolyn Lacey MD
Director
On filings since 2022
5 hrs/week
No compensation reported
Fatima Angeles
Director
On filings since 2022
5 hrs/week
No compensation reported
Chinnavuth De Monteiro MD
Director
On filings since 2023
5 hrs/week
No compensation reported
Lauren Markstein
Director
On filings since 2023
5 hrs/week
No compensation reported
Vivian Wing MD
Director
On filings since 2023
5 hrs/week
No compensation reported
Steven Green MD
Director
New on the 2024 filing
5 hrs/week
No compensation reported
Steven Young MD
Director
New on the 2024 filing
5 hrs/week
No compensation reported
Maureen Stevenson MD
CAO
Senior Vice President → CAO, 2024
On filings since 2021
60 hrs/week
$156K (2021) → $950K (2024)
Ramzy Awad
Vice President Foundation Practice Ops
Vice President Contracting & Risk Ops → Vice President Foundation Practice Ops, 2024
On filings since 2023
60 hrs/week
$376K (2023) → $495K (2024)
Michele Claar
Supervisor & Nuclear Medicine
New on the 2024 filing
60 hrs/week
$276K (2024)
Zachary Ladner
Physician Assistant
New on the 2024 filing
60 hrs/week
$301K (2024)
John Sayres
Secretary & Treasurer
Secretary → Secretary & Treasurer, 2021
On filings since 2020
5 hrs/week
No compensation reported
Roger Bailey
Vice Chairman
Director → Vice Chairman, 2023
On filings since 2020
5 hrs/week
No compensation reported
Melinda Estep
Senior Vice President & CFO
On filings since 2023
5 hrs/week
No compensation reported
Jane Willemsen
Chief Operating Officer
New on the 2024 filing
6 hrs/week
No compensation reported
Tim Maurice
Interim CFO
New on the 2024 filing
5 hrs/week
No compensation reported
Former officers (22)
- Former: Christian Pass (2020–2023) — Senior Vice President & CFO
- Former: Johannes Joe Peters MD (2020–2023) — Director
- Former: Lee Huskins (2020–2023) — Former President & CAO
- Former: Paul Deeringer (2020–2023) — Former Vice President Strategy
- Former: Ravi Hundal MD (2020–2023) — Director
- Former: Jessica Wilkes (2022–2023) — Vice President & Practice Management
- Former: Lori Orr (2022–2023) — Executive Director & Practice Mg
- Former: Vikram Auluck (2022–2023) — Lead Pharmacist
- Former: Calvin Knight (2020–2022) — President, CEO & Director
- Former: Chi Perlroth MD (2020–2022) — Director
- Former: Laura Markstein (2020–2022) — Director
- Former: Taejoon Ahn MD (2020–2022) — Director
- Former: Zarah Ross (2020–2022) — Executive Director & Contracts
- Former: Bazil Fonseca (2020–2021) — Executive Director & Practice Management
- Former: Christopher Taylor (2020–2021) — Executive Director & Practice Management
- Former: John Merson MD (2020–2021) — Director
- Former: Laura Kazaglis (2020–2021) — Vice President Primary Care Operations
- Former: Shelley Horwitz (2020–2021) — Vice President Physician Relations & Interim
- Former: Tom Macmillan (2020–2021) — Director & Physician Services
- Former: Shelly Poole (2021) — Executive Director & Practice Management
- Former: Keith Pugliese (2020) — Vice President Contracting & Risk Operat
- Former: Robert E. Edmondson (2020) — Chairman
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
Frequently asked questions about John Muir Physician Network
How much does John Muir Physician Network give each year?
John Muir Physician Network gave $540K across 1 grant in 2024, according to its 2024 IRS Form 990 filing. In 2023 it gave $1.3M across 1 grant.
How large is John Muir Physician Network?
John Muir Physician Network reported $167.4M in total assets on its 2024 IRS Form 990 filing. Its revenue that year was $519.2M.
What is John Muir Physician Network?
John Muir Physician Network is a nonprofit organization focused on Health, based in Walnut Creek, CA. It holds $167.4M in total assets as of 2024.
Where does John Muir Physician Network operate?
John Muir Physician Network has awarded grants in California.
What is John Muir Physician Network's EIN?
John Muir Physician Network's EIN (Employer Identification Number) is 68-0360801. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching John Muir Physician Network by hand.
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