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Harlingen doctor becomes first Democrat to challenge GOP Rep. Monica De La Cruz for South Texas congressional seat

Ada Cuellar is from Weslaco. She has a bachelor's degree in biology from the University of Texas-Pan American, a medical degree from the University of Texas Medical Branch, and a law degree from Syracuse University. She lives with her daughter in Harlingen.

Ada Cuellar - Ballotpedia

Ada's campaign for U.S. representative for Texas' 15th District is her first run for public office.

Ada currently works as an emergency physician at Exceptional Emergency Center and a physician for YouHealth. She previously worked as a physician for K Health, Magellan Health, Valley Emergency Physicians, and medical director at Mercer Emergency Center.

Supports diversifying industries and increasing assistance to business owners from the federal Small Business Administration.

- Opposes tariffs on imported goods.
- Supports diversifying industries and increasing assistance to business owners from the federal Small Business Administration.

Economy

As of January 22, 2026, Ada Cuellar’s website did not contain information on this issue.

Public Safety

Supports increasing funding for Medicaid, expanding telemedicine, protecting rural hospitals, and allowing anyone to purchase a Medicare plan.

- Supports increasing funding for Medicaid, expanding telemedicine, protecting rural hospitals, and allowing anyone to purchase a Medicare plan.

Healthcare

Supports increasing funding for education to improve access to afterschool learning, high-speed internet, and technology.

Supports increasing support and preparing students for higher education, including universities, trade schools, and community colleges.

- Supports increasing funding for education to improve access to afterschool learning, high-speed internet, and technology.
- Supports increasing support and preparing students for higher education, including universities, trade schools, and community colleges.

Education

Supports an "all-of-the-above energy plan," through using wind, solar, oil, gas, nuclear, hydro, biomass, and geothermal energy.

- Supports an "all-of-the-above energy plan," through using wind, solar, oil, gas, nuclear, hydro, biomass, and geothermal energy.

Energy & the Environment

Voting & Elections

Supports clarifying who is allowed to enter the U.S., creating a clearer guest worker policy, and establishing a path to citizenship.

- Supports clarifying who is allowed to enter the U.S., creating a clearer guest worker policy, and establishing a path to citizenship.

Foreign Policy and Immigration

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Ada Cuellar

- Your US Representative represents the interests of your district in the US House of Representatives, the lower house of Congress. Texas currently has 36 US Representatives.
- US Representatives can author, sponsor, debate, and vote on bills that become national law.
- Representatives may serve on congressional committees. Committees focus on certain policy areas, such as transportation, education, or labor. They may also run for higher positions within their party, such as the Speaker of the House or Majority/Minority Leader.
- Representatives are elected to two-year terms. To hold this office, a candidate must be a legal resident of Texas for at least seven years before their election. US Representatives are paid a salary of $174,000/year.