Will Dems’ targeting of California GOP-turned-Indie congressman ‘Pan’ out?

California’s latest redistricting experiment has produced one of the state’s most intriguing political matchups.

In the newly redrawn 6th Congressional District covering northern Sacramento suburbs and Roseville, voters this fall will choose between two politicians whose careers have been shaped by battles over public policy and the rules that govern it. Rep. Kevin Kiley (I-CA) was elected to the House as a Republican in 2022, but shed the GOP label after Proposition 50 reshaped his political landscape. Former state Sen. Richard Pan, a Democrat, is a physician-politician whose successful campaign to eliminate California’s religious exemption for school vaccinations made him a national figure.

The contest has emerged as one of California’s most closely watched House races because it is likely to determine control of Congress, with House Democrats needing to net three seats in the 435-member chamber to reach a majority. Also, since it offers an early test of the political consequences of Proposition 50, the redistricting measure championed by Gov. Gavin Newsom (D-CA) and state Democrats. Voters in the nation’s most populous blue state easily approved the changes to House maps, which could expand the party’s California delegation from an already wide 43-9 edge over Republicans to a whopping 48-4 split.

The new boundaries upended the contours of the district Kiley represents. In its current iteration, which will evaporate when the new Congress takes office on Jan. 3, 2027, Kiley’s constituency runs from parts of the snow-capped Sierra mountains northeast of Sacramento, hundreds of miles along the Nevada state line down to Death Valley. In 2024, voters there backed President Donald Trump over Democratic rival Kamala Harris, 50.3% to 46.5%. State Democrats dismantled that district, parceling Kiley’s political base into several surrounding seats. The new district where Kiley is running would have backed then-Vice President Harris over Trump, 53.3% to 43.2%.

Rep. Kevin Kiley (I-CA) at a House Committee hearing on May 14, 2026, on Capitol Hill in Washington, D.C.. (Kent Nishimura/AFP via Getty Images)

In the June 2 all-party primary, Pan, 60, secured his place in the general election by narrowly defeating Republican Michael Stansfield. Now facing Kiley in a head-to-head contest, the Democrat enters a race that many in his party view as one of their best pickup opportunities in California.

For Kiley, 41, the campaign has become about more than holding onto a House seat. Since becoming Congress’s lone independent member, the one-time high school English teacher has made opposition to partisan gerrymandering the centerpiece of his political identity. Kiley, an alum of Harvard College and Yale Law School, has championed legislation that would prohibit states from redrawing congressional maps more than once a decade and has sought to cast himself as a casualty of a process he argues has become increasingly political.

The result is a race that is, in many ways, a referendum on the very map that made it possible.

In multiple interviews, Kiley has described himself as an “independent voice” and sought to distance himself from the Republican label he carried for years in California politics. That included six years in the state Assembly and running for governor in the 2021 recall election, in which Newsom easily held onto the state’s top job. Kiley finished sixth among several dozen candidates to replace Newsom with 3.5% of the vote statewide.

Some political observers, however, see Kiley’s shift toward redistricting criticism less as an ideological evolution than as an attempt to adapt to a district where Democratic voters now hold a clear advantage.

“Kiley’s message is less, ‘I left the Republican Party,’ than ‘the map left me,’” California strategist Matt Klink told the Washington Examiner. “Redistricting reform gives him a clean, process-based argument that can resonate beyond the Republican base while helping him avoid being defined by the national party brand in a Democratic-leaning district.”

Still, Klink argued that strategy has limits. As long as Kiley caucuses with House Republicans, he said, Democrats will contend that the congressman’s independence is more symbolic than substantive.

Veteran Democratic strategist Garry South was even more skeptical, arguing that Kiley’s party switch is unlikely to persuade many voters.

(Examiner illustration; Marcio Jose Sanchez/AP; Rich Pedroncelli/AP; Getty Images)

“He’s fooling no one,” South told the Washington Examiner. “It’s not a costume change that suddenly brings Democrats to his side, and to Republicans it can look like he’s abandoning his original political faith.”

While independents such as Sen. Bernie Sanders (I-VT) and Sen. Angus King (I-ME) have won statewide federal races, South said that a House contest is fundamentally different. Congressional elections, particularly in districts with a clear partisan lean, tend to be driven by party identification rather than candidate branding. In Kiley’s case, South noted, he is competing in a district he has never represented against an opponent with deep local roots and substantial name recognition.

New district, new identity?

Kiley spent months pondering which House district to run in, a process that played out online as he narrowed down the possibilities “Apprentice” style. With the sprawling 3rd Congressional District — that largely rural seat stretching across much of the California-Nevada border and encompassing communities from the Sierra Nevada to Death Valley — facing dismemberment, Kiley contemplated a likely member-on-member primary against Rep. Tom McClintock (R-CA) in the newly configured 5th Congressional District. That new constituency, covering the East Central Valley, including Modesto and eastern Fresno, would have backed Trump over Harris 59% to 39% in 2024.

Kiley ultimately settled on the newly configured 6th District, centered on Sacramento. That decision placed him on a collision course with Pan, who previously represented more than 70% of the district in the state legislature and enters the general election with an established network of supporters and familiarity among many voters.

Democrats have wasted little time signaling the district’s importance. The Democratic Congressional Campaign Committee has already invested in Pan’s campaign, portraying the race as a prime opportunity to flip a seat reshaped by redistricting.

“He is exactly the kind of battle-tested leader needed to take on MAGA champion Kevin Kiley, who is desperately trying to rewrite his long record of fealty to Donald Trump,” DCCC Chair Rep. Suzan DelBene (D-WA) said in a statement. “CA-06 voters won’t be fooled by Kiley’s fake independence and will elect Dr. Pan in November.”

Who is Pan?

Pan, a former University of California, Davis, medical school professor, first drew national attention in 2015 after authoring legislation that eliminated California’s religious exemption for school vaccine requirements. Four years later, he spearheaded another measure to tighten oversight of medical exemptions, arguing that abuses in the system threatened public health. The legislation passed despite fierce opposition from anti-vaccine activists, who packed legislative hearings and staged noisy protests at the state capitol.

State Sen. Richard Pan speaks to lawmakers in Sacramento, Calif., in 2029. (AP Photo/Rich Pedroncelli, File)

The backlash followed Pan beyond Sacramento. During his years in public office, he was assaulted on a Sacramento street by a man who livestreamed the encounter on Facebook. He became the subject of racist online attacks and conspiracy theories and regularly received threats. Yet Pan has remained unapologetic about his role in the vaccine debate, arguing that public officials have an obligation to follow scientific evidence even when doing so carries political costs.

Now, after years spent fighting battles in the state legislature, Pan is attempting to bring that same message to Washington.

“Pan has created a strong opportunity for himself if he frames the campaign around key issues like healthcare, science, and distrust of government,” California political pundit Jamie E. Wright told the Washington Examiner. “As a pediatrician and former state senator, Pan will be able to argue aggressively that, at this moment in history, voters need individuals with knowledge of public health policy, not politicians who treat public health as another partisan battle.”

CALIFORNIA’S 6TH CONGRESSIONAL DISTRICT PRIMARY RESULT: KEVIN KILEY WILL FACE DEMOCRAT RICHARD PAN

Still, Wright cautioned that Pan’s political identity cannot be built entirely around vaccines. While the issue helped make him a national figure, it also remains polarizing among some voters who may support immunization but recoil at government mandates.

“If Pan primarily focuses on vaccines, Kiley may use this as an example to draw support from independents and Republicans who do not oppose vaccines themselves but may oppose mandates and government overreach,” Wright said. “Pan’s strongest argument must be far greater than vaccines. It must be about healthcare, children, families, and whether voters trust experts or political entertainers to make serious decisions on policy issues.”

Barnini Chakraborty (@Barnini) is a senior political reporter at the Washington Examiner.

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