Nonprofit · EIN 39-0452970
MARSHFIELD CLINIC INC
Tax-exempt · MARSHFIELD, WI 54449
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $596,530,287 | $591,495,305 | $5,034,982 | $663,208,222 | $515,871,205 | $147,337,017 |
| December 31, 2023 | 990 | $633,588,126 | $618,274,329 | $15,313,797 | $800,024,445 | $615,460,091 | $184,564,354 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $31,391,785
- of which government grants
- $27,128,162
- Program service revenue
- $543,271,185
- Investment income
- $21,574,392
- Net rental income
- $292,925
- Net gain from sales of assets
- $14,352,134
- Tax-exempt bond proceeds
- -$196,490
- Other revenue
- $292,925
Expenses
- Grants and similar amounts paid
- $603,000
- Compensation of officers, directors and key employees
- $9,282,171
- Other salaries and wages
- $319,748,120
- Salaries, compensation and benefits (total)
- $344,428,493
- Professional fundraising fees
- $0
- Legal fees
- $515
- Occupancy
- $1,356,027
- Travel
- $547,867
- Depreciation
- $19,612,795
- Program services (functional)
- $583,814,165
- Management and general (functional)
- $7,681,140
Balance sheet and other
- Total assets, start of year
- $800,024,445
- Total assets, end of year
- $663,208,222
- Total liabilities, end of year
- $515,871,205
- Net assets, end of year
- $147,337,017
- Land, buildings and equipment
- $248,622,265
- Publicly traded securities
- $237,276,202
- Net assets without donor restrictions
- $146,246,981
- Net assets with donor restrictions
- $1,090,036
- Gross unrelated business income
- $6,190,864
- Gross receipts
- $639,011,914
- Employees
- 1,382
- Volunteers
- 400
- Year formed
- 1916
- State of legal domicile
- WI
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 for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| VIVEKANANDA GONUGUNTA MD | PHYSICIAN Highest-paid employee | 50 | $2,682,634 | $0 | $10,830 |
| SUSAN TURNEY MD | FORMER MCHS CEO Former | 0 | $0 | $2,241,715 | $0 |
| BRIAN HOERNEMAN MD | INTERIM MCHS CEO Officer | 1 | $0 | $1,584,168 | $39,013 |
| ADEDAYO ONITILO MD | PHYSICIAN Highest-paid employee | 50 | $1,557,817 | $0 | $44,169 |
| MOHAMMAD ALAOUA MD | PHYSICIAN Highest-paid employee | 50 | $1,449,119 | $0 | $48,955 |
| OLATILEWA AWE MD | PHYSICIAN Highest-paid employee | 50 | $1,431,408 | $0 | $23,942 |
| WILLIAM MCCORMICK MD | PHYSICIAN Highest-paid employee | 50 | $1,332,801 | $0 | $41,973 |
| TYLER DAHL MD | BOARD MEMBER (THRU MAR 2024) Trustee or director | 52 | $1,169,680 | $0 | $39,311 |
| SANJAY KUMAR MD | BOARD MEMBER Trustee or director | 52 | $1,072,801 | $0 | $42,168 |
| KATHY BRESSLER | MCHS COO Key employee | 1 | $0 | $985,571 | $37,461 |
| DAVID JUNKER MD | BOARD MEMBER Trustee or director | 52 | $929,786 | $0 | $51,612 |
| JEANETTE WOJTALEWICZ | INTERIM MCHS CFO Officer | 1 | $0 | $972,510 | $0 |
| MATTHEW THOMAS MD | TREASURER Trustee or director, Officer | 52 | $877,617 | $0 | $41,999 |
| JERARD JENSEN | MCHS GENERAL COUNSEL (THRU JAN 2024) Key employee | 1 | $0 | $889,281 | $11,274 |
| ELVIS PETER MD | VICE CHAIR Trustee or director, Officer | 53 | $812,372 | $0 | $48,068 |
14 more people on this return
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| JAYANTH VEDRE MD | BOARD MEMBER Trustee or director | 52 | $711,891 | $0 | $36,310 |
| SAMANTHA KLEBE DO | CHIEF MEDICAL OFFICER Key employee | 1 | $0 | $703,503 | $36,357 |
| CATHY BUKOWSKI | FORMER MCHS CFO Former | 0 | $0 | $631,969 | $0 |
| MATTHEW OELSTROM MD | CHAIR Trustee or director, Officer | 53 | $499,726 | $0 | $37,964 |
| JESSICA WERNBERG MD | BOARD MEMBER Trustee or director | 52 | $459,068 | $0 | $40,681 |
| BARBARA BOYER MD | BOARD MEMBER Trustee or director | 52 | $429,508 | $0 | $43,301 |
| KENT RAY DO | SECRETARY Trustee or director, Officer | 53 | $405,006 | $0 | $48,974 |
| LISA BOERO | MCHS GENERAL COUNSEL Key employee | 1 | $0 | $415,495 | $10,811 |
| CHRISTOPHER ADLER MD | BOARD MEMBER Trustee or director | 52 | $367,109 | $0 | $23,561 |
| KATHERINE WINIARCZYK DO | BOARD MEMBER Trustee or director | 52 | $332,455 | $0 | $37,544 |
| BART ISAACSON MD | BOARD MEMBER (THRU MAR 2024) Trustee or director | 52 | $322,040 | $0 | $38,947 |
| ALPA SHAH MD | CHAIR (THRU MAR 2024) Trustee or director, Officer | 38 | $283,360 | $0 | $9,460 |
| WILLIAM MELMS MD | FORMER CHIEF MEDICAL OFFICER Former | 0 | $0 | $199,385 | $0 |
| PATRICK WOLF DO | BOARD MEMBER (THRU MAR 2024) Trustee or director | 52 | $65,500 | $0 | $4,352 |
990 for the year ended December 31, 2023: 27 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| SUSAN TURNEY MD | MCHS CEO - PART YEAR Officer | 1 | $0 | $3,125,033 | $382,007 |
| VIVEKANANDA GONUGUNTA MD | PHYSICIAN Highest-paid employee | 50 | $2,039,667 | $0 | $12,105 |
| ADEDAYO ONITILO MD | PHYSICIAN Highest-paid employee | 50 | $1,777,779 | $0 | $40,127 |
| MOHAMMAD ALAOUA MD | PHYSICIAN Highest-paid employee | 50 | $1,368,629 | $0 | $46,677 |
| ALICE LE HUU MD | PHYSICIAN Highest-paid employee | 50 | $1,337,228 | $0 | $29,518 |
| WILLIAM MCCORMICK MD | PHYSICIAN Highest-paid employee | 50 | $1,204,382 | $0 | $46,171 |
| WILLIAM MELMS MD | CHIEF MEDICAL OFFICER - PART YEAR Key employee | 1 | $0 | $1,053,823 | $21,091 |
| JERARD JENSEN | MCHS GENERAL COUNSEL Key employee | 1 | $0 | $983,883 | $44,933 |
| TYLER DAHL MD | BOARD MEMBER Trustee or director | 52 | $908,550 | $0 | $40,730 |
| MATTHEW THOMAS MD | TREASURER Trustee or director, Officer | 52 | $863,924 | $0 | $42,049 |
| ELVIS PETER MD | VICE CHAIR Trustee or director, Officer | 53 | $855,841 | $0 | $46,401 |
| BRIAN HOERNEMAN MD | INTERIM MCHS CEO Officer | 1 | $0 | $848,741 | $40,127 |
| DAVID JUNKER MD | BOARD MEMBER Trustee or director | 52 | $833,402 | $0 | $51,188 |
| KATHY BRESSLER | MCHS COO Key employee | 1 | $0 | $839,857 | $28,816 |
| CATHY BUKOWSKI | MCHS CFO - PART YEAR Officer | 1 | $0 | $725,840 | $23,393 |
| JAYANTH VEDRE MD | BOARD MEMBER Trustee or director | 52 | $678,686 | $0 | $28,536 |
| EDWARD FERNANDEZ MD | VICE CHAIR - PART YEAR Trustee or director, Officer | 53 | $536,206 | $0 | $43,230 |
| SUMITHRA TIRUNAGARAM MD | BOARD MEMBER - PART YEAR Trustee or director | 52 | $526,562 | $0 | $43,258 |
| JOHN NEAL MD | TREASURER - PART YEAR Trustee or director, Officer | 52 | $518,663 | $0 | $49,488 |
| SAMANTHA KLEBE DO | CHIEF MEDICAL OFFICER Key employee | 1 | $0 | $515,015 | $29,993 |
| MATTHEW OELSTROM MD | BOARD MEMBER Trustee or director | 52 | $441,175 | $0 | $38,014 |
| BARBARA BOYER MD | BOARD MEMBER Trustee or director | 52 | $415,567 | $0 | $44,927 |
| KENT RAY DO | SECRETARY Trustee or director, Officer | 53 | $395,418 | $0 | $48,610 |
| PATRICK WOLF DO | BOARD MEMBER Trustee or director | 52 | $343,977 | $0 | $39,691 |
| BART ISAACSON MD | BOARD MEMBER Trustee or director | 52 | $287,416 | $0 | $33,958 |
| ALPA SHAH MD | CHAIR Trustee or director, Officer | 38 | $294,888 | $0 | $10,485 |
| JEANETTE WOJTALEWICZ | INTERIM MCHS CFO Officer | 1 | $0 | $116,564 | $0 |
Address and contacts
- Address (IRS master file)
- 1000 N OAK AVE, MARSHFIELD, WI 54449-5703
- In care of
- % CATHY BUKOWSKI VP OF FINANC
- Principal officer (990 for 2024)
- BILL GASSEN, 2301 EAST 60TH ST, SIOUX FALLS, SD 57104
- Signed the 990
- NICHOLAS OLSON, EVP, CFO
- Phone
- (715) 387-5511
- Website
- WWW.MARSHFIELDCLINIC.ORG
- Return prepared by
- ERNST & YOUNG US LLP
Mission
WE ENRICH LIVES TO CREATE HEALTHY COMMUNITIES THROUGH ACCESSIBLE, AFFORDABLE, COMPASSIONATE HEALTH CARE.
Program accomplishments
- MARSHFIELD CLINIC, INC., FOUNDED IN 1916, IS A NOT-FOR-PROFIT GROUP MEDICAL PRACTICE ENGAGED IN PROVIDING HEALTHCARE, HEALTHCARE EDUCATION, MEDICAL RESEARCH, AND COMMUNITY SERVICE. MARSHFIELD CLINIC RESEARCH INSTITUTE, A DIVISION OF MARSHFIELD CLINIC, ENGAGES IN MEDICAL AND SCIENTIFIC RESEARCH AND THE PROMOTION OF PUBLIC HEALTH, MEDICAL EDUCATION, AND COMMUNITY SERVICE.Expenses $583,814,165 · grants $603,000 · revenue $543,271,185
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 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 39-0452970
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Hospital or medical research organization
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1987
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Health care (E300)
- Assets (IRS master file)
- $663,208,222
- Income (IRS master file)
- $639,011,914
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $596,530,287 | $591,495,305 | $663,208,222 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $633,588,126 | $618,274,329 | $800,024,445 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $670,043,868 | $674,567,180 | $840,083,001 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
| 990 | September 2020 | – | – | – | IRS |
| 990 | September 2019 | – | – | – | IRS |
| 990 | September 2018 | – | – | – | 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 39-0452970).
Questions about MARSHFIELD CLINIC INC
- What is the EIN of MARSHFIELD CLINIC INC?
- The employer identification number (EIN) of MARSHFIELD CLINIC INC is 39-0452970.
- Is MARSHFIELD CLINIC INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
- Are donations to MARSHFIELD CLINIC INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MARSHFIELD CLINIC INC 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 MARSHFIELD CLINIC INC due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MARSHFIELD CLINIC INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of MARSHFIELD CLINIC INC?
- The 990 for the year ended December 31, 2024 names BILL GASSEN.
- Who are the officers and directors of MARSHFIELD CLINIC INC?
- The 990 for the year ended December 31, 2024 lists 29 people; 20 received compensation from the organization, the highest $2,682,634 (VIVEKANANDA GONUGUNTA MD, PHYSICIAN).
- How much revenue does MARSHFIELD CLINIC INC have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $596,530,287, expenses of $591,495,305 and total assets of $663,208,222 at year end.
Other nonprofits in MARSHFIELD
- MCHS HOSPITALS INC EIN 81-0977948 · last filed 990 for 2024
- MARSHFIELD CLINIC HEALTH SYSTEM INC EIN 46-1495343 · last filed 990 for 2024
- LAKEVIEW MEDICAL CENTER INC OF RICE LAKE EIN 39-0837206 · last filed 990 for 2024
- FAMILY HEALTH CENTER OF MARSHFIELD INC EIN 39-1681547 · last filed 990 for 2024
- SANFORD HEALTH FOUNDATION MARSHFIELD CLINIC INC EIN 81-2822823 · last filed 990 for 2024
- RONALD MCDONALD HOUSE CHARITIES OF MARSHFIELD INC EIN 93-0833012 · last filed 990 for 2024
- TOPS CLUB INC EIN 61-1712812 · last filed 990-N for 2025
- TOPS CLUB INC EIN 47-4753156 · last filed 990-N for 2025