Republican candidate for U.S. Senate in Kansas, the incumbent. Every point on this page links to its source. We don't grade candidates or tell you how to vote. As of 2026-09-28.
In Congress: 243 bills and resolutions sponsored, 1859 cosponsored, 1 became law on their own (a bill folded into a larger law isn't counted). Congress.gov
Every Supreme Court confirmation while in the Senate, and Cabinet confirmations in the last two Congresses. Senate records, newest first.
Supreme Court
Voted Nay on Ketanji Brown Jackson, Associate Justice of the Supreme Court of the United States (2022-04-07, Confirmed 53–47, roll call)
Cabinet
Voted Yea on Todd Blanche, Attorney General (2026-08-08, Confirmed 50–49, roll call)
Voted Yea on Walter Clayton, Director of National Intelligence (2026-07-28, Confirmed 51–47, roll call)
Voted Yea on Markwayne Mullin, Secretary of Homeland Security (2026-03-23, Confirmed 54–45, roll call)
Voted Yea on Michael G. Waltz, Representative of the United States of America to the United Nations (2025-09-19, Confirmed 47–43, roll call)
Voted Yea on Troy Meink, Secretary of the Air Force (2025-05-13, Confirmed 74–25, roll call)
Voted Yea on John Phelan, Secretary of the Navy (2025-03-24, Confirmed 62–30, roll call)
Voted Yea on Lori Chavez-DeRemer, Secretary of Labor (2025-03-10, Confirmed 67–32, roll call)
Voted Yea on Linda McMahon, Secretary of Education (2025-03-03, Confirmed 51–45, roll call)
Voted Yea on Daniel Driscoll, Secretary of the Army (2025-02-25, Confirmed 66–28, roll call)
Voted Yea on Kelly Loeffler, Administrator of the Small Business Administration (2025-02-19, Confirmed 52–46, roll call)
Voted Yea on Howard Lutnick, Secretary of Commerce (2025-02-18, Confirmed 51–45, roll call)
Voted Yea on Brooke Rollins, Secretary of Agriculture (2025-02-13, Confirmed 72–28, roll call)
Voted Yea on Robert F. Kennedy, Jr., Secretary of Health and Human Services (2025-02-13, Confirmed 52–48, roll call)
Voted Yea on Tulsi Gabbard, Director of National Intelligence (2025-02-12, Confirmed 52–48, roll call)
Voted Yea on Russell Vought, Director of the Office of Management and Budget (2025-02-06, Confirmed 53–47, roll call)
Voted Yea on Eric Turner, Secretary of Housing and Urban Development (2025-02-05, Confirmed 55–44, roll call)
Voted Yea on Pamela Bondi, Attorney General (2025-02-04, Confirmed 54–46, roll call)
Voted Yea on Douglas Collins, Secretary of Veterans Affairs (2025-02-04, Confirmed 77–23, roll call)
Voted Yea on Christopher Wright, Secretary of Energy (2025-02-03, Confirmed 59–38, roll call)
Voted Yea on Douglas Burgum, Secretary of the Interior (2025-01-30, Confirmed 80–17, roll call)
Voted Yea on Lee Zeldin, Administrator of the Environmental Protection Agency (2025-01-29, Confirmed 56–42, roll call)
Voted Yea on Sean Duffy, Secretary of Transportation (2025-01-28, Confirmed 77–22, roll call)
Voted Yea on Scott Bessent, Secretary of the Treasury (2025-01-27, Confirmed 68–29, roll call)
Voted Yea on Kristi Noem, Secretary of Homeland Security (2025-01-25, Confirmed 59–34, roll call)
Voted Yea on Peter Hegseth, Secretary of Defense (2025-01-24, Confirmed 50–50, roll call)
Voted Yea on John Ratcliffe, Director of the Central Intelligence Agency (2025-01-23, Confirmed 74–25, roll call)
Voted Yea on Marco Rubio, Secretary of State (2025-01-20, Confirmed 99–0, roll call)
Accurate?
Where they stand
In their own words, from their campaign and official websites, summarised in plain English. Under each issue, their Senate votes: Final passage votes in the Senate in the last two Congresses (2023 to now), matched to each issue by Congress.gov's own topic for the bill (and its subject tags, unless it is a catch-all bill with dozens), closest votes first: a lopsided vote says little about where anyone stands.
Economy and cost of living
Marshall says he's working to lower fertilizer and other input costs for farmers, opposed stopgap spending bills that add to costs without offsets, and supports permanent E15 ethanol sales and other measures he says will help control gas and grocery prices.
Marshall says he voted to make the 2017 tax cuts permanent, including the small business deduction, full expensing, R&D expensing, and the expanded child tax credit, and that he has voted against stopgap spending bills that increase spending without offsets.
“Doc voted yea on the Working Families Tax Cuts in 2025 to make the 2017 tax cuts permanent — the small business deduction, full expensing, R&D expensing, the expanded child tax credit.”
Marshall says he is leading bills to put 24- and 72-hour deadlines on Medicare Advantage prior-authorization denials, require hospitals and clinics to publish upfront prices, make COVID-era telehealth flexibilities permanent, and supports funding to keep rural Kansas hospitals open.
“The bill puts 24- and 72-hour decision deadlines on prior-auth requests, mandates electronic standards, and gives CMS authority over timeframes.”
Marshall says he is the lead sponsor of legislation to speed up Medicare Advantage prior-authorization decisions and end retroactive denials and automated denial algorithms for seniors on Medicare.
“In April 2026, Doc introduced the Medicare Advantage Improvement Act, which goes further: no more retroactive denials, no more automated denial algorithms, hard 72-hour caps.”
Marshall says he backs increased border security, including cosponsoring the Laken Riley Act to require detention of unauthorized immigrants who commit certain crimes and the Build the Wall Act, while also supporting the H-2A agricultural guest worker program and expanded local law enforcement partnerships like 287(g).
“Our immigration system has been broken, but thanks to President Trump, we have secured the border and our streets are safer. I will always put our nation's safety above all.”
Marshall says he supports oil, gas, wind, and ethanol production in Kansas, backing a permanent year-round E15 ethanol sales waiver, repeal of a natural gas tax, reversal of an EPA methane fee rule, and permitting reform to build pipelines and transmission lines.
“Kansas is an oil-and-gas state, an ethanol state, and a top-five wind state. Doc treats all three the same way: as economic engines that put money in Kansans' pockets.”
Marshall says he works to support Kansas's aerospace and defense industry and military bases, including securing NDAA funding for a Fort Riley air-traffic-control tower and training course, and championing investment at Spirit AeroSystems and Boeing in Wichita.
From FEC filings for 2025–26. Outside spending is money a group spends on its own about a candidate — TV and online ads, mail, canvassing. It is not a donation to the campaign, and the candidate does not control it. Supporting means it was spent to help that candidate win; Opposing means it was spent to defeat them, usually on attack ads. Groups report it within 24 or 48 hours as the election nears. Raised is the campaign's own fundraising, as of its latest quarterly report. Largest donors come from each outside spender's own FEC receipts, with each donor's share of its itemized receipts; donors under $100,000 are not named. People are shown with the employer and occupation they reported. A donor that is itself a political committee is shown with its own largest donors. Companies and nonprofits don't report their funders to the FEC, so the trail ends there, and the page says so.
Roger Marshall (REP, incumbent)
Raised
$4.0M through 2026-07-15individuals $1.7M · PACs $1.5M · party $62K · from the candidate's other committees $639K · cash on hand $5.4M
PEOPLE OVER POLITICS ACTION FUND— $2.8M opposing MarshallTHE 1861 INITIATIVE— $600K opposing Marshall
· 2 ads on this pageLargest donors:
WESTERN FUTURES FUND $2.0M (72%) (an organization: its own funders aren't reported to the FEC); GLOBAL IMPACT SOCIAL WELFARE FUND $300K (11%) (an organization: its own funders aren't reported to the FEC); GOVERNMENT THAT WORKS PAC $250K (9%); WAY BACK PAC $200K (7%)SENATE CONSERVATIVES FUND— $228K supporting MarshallSENATE CONSERVATIVES ACTION— $46K supporting MarshallLargest donors:
Michael Rydin $500K (48%), Retired, Retired; Arthur B Choate $155K (15%), Self, InvestorUNITED FUTURES PAC— $12K opposing Marshall
What named supporters and critics say, as reported. Shown in equal numbers.
Praise
Sen. Pat Roberts: Praised Marshall's experience on the Agriculture Committee and as a doctor, calling his service invaluable. cjonline.com
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JD Vance: Defended Marshall against a protester's accusations, saying Marshall has stood up for everyday Americans. washingtonexaminer.com
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Criticism
Anne Parelkar: Said Marshall was not willing to help find the truth about who disrupted the town hall. kcur.org
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Adam Hamilton: Accused Marshall of being a 'yes man' for Washington who has failed to stand up for Kansans. kcur.org
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Controversies
Stated as reported. Most are reported by at least two independent news outlets or found in an official record; any with only one source so far is marked Single source.
Allegations
OB-GYN practice's lawsuits and arrests of patients over medical debt Single source
Only one source found so far. We keep looking for a second, independent report.
The New York Times reported that Sen. Roger Marshall sued more than 700 patients over unpaid medical bills during his career as an OB-GYN, and that patients were arrested in 81 of those cases after missing court dates; the report said his practice charged 18% annual interest and some patients had bank accounts garnished.
Response: "I think that Kansans look at a story like this and realize it's from something like the National Enquirer, that this is totally a hit job by left media, an article paid for by Chuck Schumer,"
Florida residency while representing Kansas Single source
Only one source found so far. We keep looking for a second, independent report.
KCUR reported that Marshall established deeper roots than previously disclosed in Sarasota, Florida—including a vacation home, fishing and real estate licenses, and a wife with a Florida real estate license—while representing Kansas and claiming a rural Kansas address as his home; the outlet reported his family paid roughly five times as much in property taxes in Florida as in Kansas during his Senate term.
Response: “My home is a short hour’s drive down a gravel road here,”
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