
U.S. Representative for Pennsylvania’s 4th district
Democrat
119th Congress, two-year term
Missed 1.5% of roll calls. Chamber median 1.9%.
The full voting recordCounts roll calls where most Democrats and most Republicans voted differently, leaving out procedural votes.
How we countFrom FEC filings, Voteview roll calls and Congress.gov.
Democrat. In Congress since 2019, 4 terms in total.
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Bills and resolutions Dean signed on to as a cosponsor. An original cosponsor signed on the day the bill was introduced. Source: govinfo bill status files, last updated Nov 6, 2026.
BLANCHE Act of 2026
Sponsor Jamie Raskin (D). Joined Aug 13, 2026. 9 cosponsors. H.R. 9210 on Congress.gov
Introduced
Celiac Safety Act of 2026
Sponsor Emanuel Cleaver (D). Joined Aug 3, 2026. 54 cosponsors. H.R. 9048 on Congress.gov(opens in a new tab)
Introduced
Ensuring Patient Access to Critical Breakthrough Products Act
Sponsor Blake Moore (R). Joined Aug 3, 2026. 68 cosponsors. H.R. 5343 on Congress.gov(opens in a new tab)
Passed committee
Ensuring Patient Access to Critical Breakthrough Products Act
This bill provides for Medicare coverage of medical devices that are approved under the Food and Drug Administration (FDA) Breakthrough Devices Program. (Under the program, manufacturers work with the FDA to expedite the review and approval of certain medical devices that provide for more effective treatment or diagnosis of life-threatening or irreversibly debilitating human diseases or conditions.)
The bill allows designated medical breakthrough devices to be temporarily covered under Medicare during a four-year transitional period. Manufacturers must apply to the Centers for Medicare & Medicaid Services (CMS) to receive this designation. Qualifying devices must (1) have received priority review from the FDA, (2) received premarket approval (if applicable) based on clinical data that includes data from Medicare beneficiaries, (3) already generally qualify for Medicare coverage, and (4) not present an undue risk of harm that outweighs potential clinical benefits for Medicare beneficiaries.
The CMS must approve or deny applications within six months of receipt and must provide an explanation in the case of a denial. In addition, the CMS must make permanent coverage decisions before the end of the transitional period upon a timely request to do so, as specified.
The bill provides funds through FY2030 for the CMS to implement the bill.
FASTER Act of 2026
Sponsor Anna Paulina Luna (R). Original cosponsor. 21 cosponsors. H.R. 9988 on Congress.gov(opens in a new tab)
Introduced
Baby Brent’s Bill
Sponsor Chris Pappas (D). Joined Jul 30, 2026. 2 cosponsors. H.R. 9969 on Congress.gov(opens in a new tab)
Introduced
Expressing support for July to be designated as "Disability Pride Month".
Sponsor Betty McCollum (D). Original cosponsor. 24 cosponsors. H.Res. 1463 on Congress.gov(opens in a new tab)
Introduced
Biotechnology Diplomacy and Expertise Enhancement Act of 2026
Sponsor James Moylan (R). Original cosponsor. 4 cosponsors. H.R. 9923 on Congress.gov(opens in a new tab)
Introduced
Federal Naming Standards Act
Sponsor Bill Foster (D). Original cosponsor. 24 cosponsors. H.R. 9902 on Congress.gov(opens in a new tab)
Introduced
Expressing support for the continued value of arms control agreements and negotiated constraints on Russian and Chinese strategic nuclear forces.
Sponsor Bill Foster (D). Joined Jul 22, 2026. 31 cosponsors. H.Res. 100 on Congress.gov(opens in a new tab)
Introduced
This resolution condemns Russia's nuclear escalatory rhetoric and implied threats on the potential use of nuclear weapons in the context of its invasion of Ukraine. The resolution also (1) condemns Russia's purported suspension of participation in the New START Treaty, (2) emphasizes the value of arms control agreements between the United States and Russia, and (3) calls on the administration to continue pursuing nuclear arms control and risk reduction with Russia and China.
Keep Public Funds in Public Schools Act of 2026
Sponsor Gwen Moore (D). Joined Jul 22, 2026. 112 cosponsors. H.R. 9289 on Congress.gov(opens in a new tab)
Introduced
Artemis II Congressional Gold Medal Act
Sponsor Don Bacon (R). Joined Jul 18, 2026. 51 cosponsors. H.R. 9417 on Congress.gov(opens in a new tab)
Introduced
Therapeutic Fraud Prevention Act of 2025
Sponsor Ted Lieu (D). Joined Jul 15, 2026. 204 cosponsors. H.R. 3243 on Congress.gov(opens in a new tab)
Introduced
Humane Cosmetics Act of 2025
Sponsor Donald Beyer (D). Joined Jul 15, 2026. 161 cosponsors. H.R. 1657 on Congress.gov(opens in a new tab)
Introduced
Humane Cosmetics Act of 2025
This bill generally prohibits animal testing in the evaluation of cosmetic products, and it prohibits the sale or transport of cosmetics developed using animal testing, subject to civil penalties. These prohibitions begin one year after enactment.
The bill specifies exceptions to these prohibitions, including if such animal testing (1) is conducted outside the United States to comply with a foreign regulatory authority; (2) is pursuant to a finding by the Food and Drug Administration (FDA) that there are no nonanimal alternatives to test the safety of a potentially dangerous cosmetic product or ingredient; (3) is of a product or ingredient for a drug or device subject to regulation by the FDA; or (4) is required for a noncosmetic purpose pursuant to a state, federal, or foreign regulatory authority.
Further, evidence derived from animal testing conducted more than one year after the bill's enactment may not be used to establish the safety of a cosmetic product or ingredient that is regulated by the FDA, subject to limited exceptions.
Expressing support for the designation of July 10th as Journeyman Lineworkers Recognition Day.
Sponsor Linda Sánchez (D). Original cosponsor. 146 cosponsors. H.Res. 1427 on Congress.gov(opens in a new tab)
Introduced
To prohibit the National Science Foundation from obligating or expending Federal funds to descope or decommission the Ocean Observatories Initiative instruments, and for other purposes.
Sponsor Suzanne Bonamici (D). Original cosponsor. 11 cosponsors. H.R. 9647 on Congress.gov(opens in a new tab)
Introduced
This bill prohibits the National Science Foundation (NSF) from using federal funds to decommission or descope Ocean Observatories Initiative (OOI) instruments until a thorough review of OOI is completed.
OOI measures and observes ocean conditions using a series of in-water instruments that gather physical, chemical, geological, and biological data. On May 21, 2026, NSF announced that it would remove all in-water infrastructure from four of the five active OOI arrays. However, on June 18, 2026, NSF announced that it would not proceed with this decommissioning and would instead continue OOI operations and solicit input from stakeholders on the future of NSF's ocean observation efforts. NSF also indicated that it would redeploy one array that was removed from the water.
Under the bill, NSF must conduct a thorough review of OOI with engagement from the scientific and coastal communities before decommissioning or descoping specified OOI instruments. This includes OOI instruments anchored off of Oregon, Washington, Alaska, and North Carolina, as well as instruments anchored in the Irminger Sea. NSF is required to maintain full and consistent OOI operations, including monitoring in states where instruments have already been decommissioned, until the review is complete.
Protect Local Funding Act
Sponsor Haley Stevens (D). Joined Jul 13, 2026. 45 cosponsors. H.R. 9370 on Congress.gov(opens in a new tab)
Introduced
Federal Retirement Fairness Act
Joined Jul 13, 2026. 158 cosponsors. H.R. 1522 on Congress.gov(opens in a new tab)
Progress not on file
Calling for a trade policy that supports workers, consumers, independent farmers, small businesses, and the environment.
Sponsor Rosa DeLauro (D). Joined Jun 30, 2026. 54 cosponsors. H.Res. 1286 on Congress.gov(opens in a new tab)
Introduced
RESULTS Act
Sponsor Richard Hudson (R). Joined Jun 29, 2026. 129 cosponsors. H.R. 5269 on Congress.gov(opens in a new tab)
Introduced
Reforming and Enhancing Sustainable Updates to Laboratory Testing Services Act of 2025 or the RESULTS Act
This bill requires the use of particular data from the private sector to inform Medicare payment rates for certain widely available laboratory tests.
Specifically, the Centers for Medicare & Medicaid Services (CMS) must contract with an entity that maintains a database of claims data for clinical diagnostic laboratory tests that (1) are not advanced diagnostic tests, and (2) were furnished by more than 100 providers and suppliers of such services over a specified six-month period (i.e., widely available tests).
The database must meet specified requirements, such as having data that is representative of the entire country and from more than 50 private payors and claims administrators. The contracted entity must be a nonprofit entity that is not affiliated with any government agency, any insurance issuer or provider, or any other organization in the health care sector.
Beginning January 1, 2028, the CMS must use the information obtained from the database to inform Medicare payment rates for these widely available laboratory tests.
The bill additionally specifies processes for determining payment rates for laboratory tests that are not advanced diagnostic tests, are not widely available, and lack adequate claims data. The CMS must use certain existing processes to set appropriate rates.
The bill also delays scheduled payment reductions for laboratory tests until 2028 and allows for judicial and administrative review of payment rates.
SCREENS for Cancer Act of 2025
Sponsor Joseph Morelle (D). Joined Jun 29, 2026. 74 cosponsors. H.R. 2381 on Congress.gov(opens in a new tab)
Introduced
Directing the President pursuant to section 5(c) of the War Powers Resolution to remove United States Armed Forces from hostilities in Lebanon.
Sponsor Rashida Tlaib (D). Joined Jun 29, 2026. 43 cosponsors. H.Con.Res. 108 on Congress.gov(opens in a new tab)
Introduced
This concurrent resolution directs the President to remove U.S. Armed Forces from hostilities in Lebanon within seven days of the resolution's adoption.
The resolution specifies that it shall not be construed to prevent or limit security cooperation with the Lebanese Armed Forces or the protection of diplomatic facilities.
Supporting the designation of October 30 as the "International Day of Political Prisoners".
Sponsor Steve Cohen (D). Joined Jun 25, 2026. 15 cosponsors. H.Res. 843 on Congress.gov(opens in a new tab)
Introduced
Federal Workforce Reproductive Rights Protection Act
Sponsor James Walkinshaw (D). Original cosponsor. 35 cosponsors. H.R. 9448 on Congress.gov(opens in a new tab)
Introduced
LIFT the BAR Act
Sponsor Pramila Jayapal (D). Original cosponsor. 102 cosponsors. H.R. 9432 on Congress.gov(opens in a new tab)
Introduced
HELP Copays Act
Sponsor Thomas Kean (R). Joined Jun 24, 2026. 68 cosponsors. H.R. 6423 on Congress.gov(opens in a new tab)
Introduced