John Muir Physician Network logo

John Muir Physician Network

Foundation · Grantmaker Walnut Creek, CA EIN: 68-0360801 Website

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

1state

Share of all 1 itemized 2024 grant dollars.

States

Cities

Walnut Creek

Giving Over Time

Total grant dollars and number of grants per year

$0$5M$10M$15M2 grants20202 grants20212 grants20221 grants20231 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2024

John Muir Health: $540KJohn Muir Health$540K

Grant Size Distribution

8 grants across all recorded years

1<$50K$50–100K$100–250K2$250–500K1$500K–1M2$1–5M2$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
JOHN MUIR HEALTH Walnut Creek, CAGENERAL SUPPORT$540,259

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$200M$400M$600M$800M20202021202220232024
Metric202420232022
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

  1. 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

Maureen Stevenson MD — Cao: $950KMaureen Stevenson MDCao$950KRamzy Awad — VP Foundation Practice Ops: $495KRamzy AwadVP Foundation Practice Ops$495KTimothy Souva — Executive Dir, Practice Ops: $310KTimothy SouvaExecutive Dir, Practice Ops$310KZachary Ladner — Physician Assistant: $301KZachary LadnerPhysician Assistant$301KMichele Claar — Supervisor, Nuclear Medicine: $276KMichele ClaarSupervisor, Nuclear Medicine$276KJayla Kyaw — Director, Medical Group Support: $276KJayla KyawDirector, Medical Group Support$276K

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.

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