Marshfield Clinic Inc
We enrich lives to create healthy communities through accessible, affordable, compassionate health care.
Marshfield Clinic Inc at a glance
In short: Marshfield Clinic Inc gave $603K across 1 grant in 2024 (avg $603K), mostly in Wisconsin. Source: 2024 IRS Form 990.
- Annual giving (2024)
- $603,000
- -12.8% vs 2023
- Grants made (2024)
- 1
- +0.0% vs 2023
- Average grant
- $603,000
- -12.8% vs 2023
- Median grant
- $603,000
- Total assets
- $663,208,222
- -17.1% vs 2023
- Primary geography
- Wisconsin (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
How to apply to Marshfield Clinic Inc
Open Grants
3 open opportunities from Marshfield Clinic Inc
Marshfield Clinic Nursing Scholarships
Marshfield Clinic Inc
Amount
$3,000 total (distributed among recipients)
Deadline
Deadline not published
Marshfield Medical Center-Ladysmith Community Health Funding Program
Marshfield Clinic Inc
Amount
$100,000
Deadline
Deadline not published
ROPS Rebate Program (Rollover Protective Structure)
Marshfield Clinic Inc
Amount
70% of cost up to $865
Deadline
Deadline not published
Who Marshfield Clinic Inc funds
How this funder distributes its grants
Top Recipients
Top recipient in 2024
The largest 2024 recipient was Family Health Center of Marshfield Inc ($603K).
Grant Size Distribution
8 grants across all recorded years
The most common grant size was in the $500K–1M range: 3 grants of 8 (38%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2024 grant dollars on its one itemized grant.
States
Cities
How Marshfield Clinic Inc gives
- Giving fell 95% from 2021 to 2024. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2024, annual grant giving ranged from $603K (2024) to $12.5M (2021). In 2024 it made 1 grant totaling $603K.
*2020: Covers 15 months (fiscal year-end changed).
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Family Health Center of Marshfield Inc Marshfield, WI | General Support | $603,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $663,208,222 | $596,530,287 | $591,495,305 | $603,000 | 1 | $21,574,392 |
| 2023 | $800,024,445 | $633,588,126 | $618,274,329 | $691,520 | 1 | $12,035,563 |
| 2022 | $840,083,001 | $670,043,868 | $674,567,180 | $1,973,495 | 1 | $15,485,433 |
| 2021 | $877,540,741 | $675,856,824 | $841,928,671 | $12,535,744 | 1 | $28,554,284 |
| 2020* | $1,042,591,447 | $1,075,306,851 | $1,145,850,350 | $718,000 | 4 | $55,018,802 |
| 2019 | $852,121,851 | $922,233,071 | $1,005,605,152 | $620,258 | 3 | $15,504,294 |
*2020: Covers 15 months (fiscal year-end changed).
About Marshfield Clinic Inc
Based on IRS filings
Marshfield Clinic Inc is a public charity focused on Health, based in Marshfield, WI. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $663.2M in total assets. In 2024, it awarded 1 grant totaling $603K. Net investment income was $21.6M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Marshfield Clinic Inc is led by Brian Hoerneman MD, Interim McHs CEO on every filing since 2023; 20 of 29 officers listed in 2024 are compensated.
Officers on the 2024 filing
Brian Hoerneman MD
Interim McHs CEO
On filings since 2023
1 hr/week
No compensation reported
Alpa Shah MD
Chair
Secretary → Chair, 2020
On filings since 2019
38 hrs/week
$214K (2019) → $283K (2024)
Matthew Oelstrom MD
Chair
Board Member → Chair, 2024
On filings since 2023
53 hrs/week
$441K (2023) → $500K (2024)
Adedayo Onitilo MD
Physician
On filings since 2019
50 hrs/week
$1.3M (2019) → $1.6M (2024)
Elvis Peter MD
Vice Chair
Board Member → Vice Chair, 2023
On filings since 2019
53 hrs/week
$818K (2019) → $812K (2024)
Kent Ray DO
Secretary
Board Member → Secretary, 2020
On filings since 2019
53 hrs/week
$339K (2019) → $405K (2024)
Matthew Thomas MD
Treasurer
Treasurer → Treasurer -, 2021
Treasurer - → Treasurer, 2023
On filings since 2019
52 hrs/week
$530K (2019) → $878K (2024)
Vivekananda Gonugunta MD
Physician
On filings since 2019
50 hrs/week
$1.5M (2019) → $2.7M (2024)
William Melms MD
Former Chief Medical Officer
Chief Medical Officer → Chief Medical Officer -, 2023
Chief Medical Officer - → Former Chief Medical Officer, 2024
On filings since 2019
$424K (2019) → $0 (2024)
David Junker MD
Board Member
On filings since 2020
52 hrs/week
$707K (2020) → $930K (2024)
Jayanth Vedre MD
Board Member
On filings since 2020
52 hrs/week
$733K (2020) → $712K (2024)
Sanjay Kumar MD
Board Member
Physician → Board Member, 2024
On filings since 2020
52 hrs/week
$1.2M (2020) → $1.1M (2024)
Patrick Wolf DO
Board Member
On filings since 2021
52 hrs/week
$406K (2021) → $66K (2024)
Barbara Boyer MD
Board Member
On filings since 2022
52 hrs/week
$384K (2022) → $430K (2024)
Mohammad Alaoua MD
Physician
On filings since 2022
50 hrs/week
$1.3M (2022) → $1.4M (2024)
Tyler Dahl MD
Board Member
On filings since 2022
52 hrs/week
$814K (2022) → $1.2M (2024)
Bart Isaacson MD
Board Member
On filings since 2023
52 hrs/week
$287K (2023) → $322K (2024)
William McCormick MD
Physician
On filings since 2023
50 hrs/week
$1.2M (2023) → $1.3M (2024)
Christopher Adler MD
Board Member
New on the 2024 filing
52 hrs/week
$367K (2024)
Jessica Wernberg MD
Board Member
New on the 2024 filing
52 hrs/week
$459K (2024)
Katherine Winiarczyk DO
Board Member
New on the 2024 filing
52 hrs/week
$332K (2024)
Olatilewa Awe MD
Physician
New on the 2024 filing
50 hrs/week
$1.4M (2024)
Jerard Jensen
McHs General Counsel
On filings since 2019
1 hr/week
No compensation reported
Susan Turney MD
Former McHs CEO
McHs CEO → McHs CEO -, 2023
McHs CEO - → Former McHs CEO, 2024
On filings since 2019
No compensation reported
Kathy Bressler
McHs COO
On filings since 2022
1 hr/week
No compensation reported
Cathy Bukowski
Former McHs CFO
McHs CFO - → Former McHs CFO, 2024
On filings since 2023
No compensation reported
Jeanette Wojtalewicz
Interim McHs CFO
On filings since 2023
1 hr/week
No compensation reported
Samantha Klebe DO
Chief Medical Officer
On filings since 2023
1 hr/week
No compensation reported
Lisa Boero
McHs General Counsel
New on the 2024 filing
1 hr/week
No compensation reported
Former officers (23)
- Former: Edward Fernandez MD (2019–2023) — Vice Chair -
- Former: John Neal MD (2019–2023) — Treasurer -
- Former: Sumithra Tirunagaram MD (2022–2023) — Board Member -
- Former: Alice Le Huu MD (2023) — Physician
- Former: David Simenstad MD (2019–2022) — Physician
- Former: Gordon Edwards (2019–2022) — McHs CFO & COO -
- Former: Narayana Murali MD (2019–2022) — Former Executive Director
- Former: Sushma Thappeta MD (2019–2022) — Board Member -
- Former: Timothy Wengert MD (2019–2022) — Board Member -
- Former: Nicholas Bodmer MD (2020–2022) — Board Member -
- Former: Tae Gardner MD (2022) — Physician
- Former: Zahir Rashid MD (2020–2021) — Physician
- Former: Neelakantan Namboodiri MD (2019–2020) — Board Member
- Former: Steven Kulick (2019–2020) — Former Chief Exp Officer
- Former: Brian Ewert MD (2019) — Former President
- Former: Dan Erickson MD (2019) — Former Vice President
- Former: Daniel Ramsey (2019) — Former McHs COO
- Former: Ivan Schaller MD (2019) — Chair
- Former: Richard Fossen MD (2019) — Board Member
- Former: Rod Sorensen MD (2019) — Former Salary Committee
- Former: Scott Paulman MD (2019) — Physician
- Former: Seth Fagbemi MD (2019) — Board Member
- Former: William Barkley MD (2019) — Former Chief Medical Officer
Data from IRS Form 990 filings, 2019–2024. "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
The highest reported compensation on the 2024 filing was $2.7M, to Vivekananda Gonugunta MD (Physician). 20 officers or directors reported compensation on that filing.
Frequently asked questions about Marshfield Clinic Inc
How much does Marshfield Clinic Inc give each year?
Marshfield Clinic Inc gave $603K across 1 grant in 2024, according to its 2024 IRS Form 990. In 2023 it gave $692K across 1 grant.
How large is Marshfield Clinic Inc?
Marshfield Clinic Inc reported $663.2M in total assets on its 2024 IRS Form 990. Its revenue that year was $596.5M.
What is Marshfield Clinic Inc?
Marshfield Clinic Inc is a public charity focused on Health, based in Marshfield, WI. It holds $663.2M in total assets as of 2024.
Where does Marshfield Clinic Inc operate?
Marshfield Clinic Inc has awarded grants in Wisconsin.
What is Marshfield Clinic Inc's EIN?
Marshfield Clinic Inc's EIN (Employer Identification Number) is 39-0452970. IRS Form 990 filing data is available on this page for 2019–2024.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2019 (received by the IRS August 17, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS November 24, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS November 9, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 14, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 13, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 4, 2025)
- IRS filings on file for fiscal years 2019–2024
Explore Open Grants
Browse active grant opportunities in Marshfield Clinic Inc's focus areas in our free grants database
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Marshfield Clinic Inc down — hundreds of funders to go?