Arturo Vargas Bustamante

Arturo Vargas Bustamante, PhD, MPP, is a senior fellow at the UCLA Center for Health Policy Research and a professor in the Department of Health Policy and Management at the UCLA Fielding School of Public Health. He also serves as faculty research director at the UCLA Latino Policy and Politics Institute. 

The primary focus of his research has been on health care access and utilization, particularly among Latinos/Hispanics and immigrants in the United States. He has also contributed to border and international health care research, as well as chronic care management research in primary care settings. Bustamante’s expertise lies in health care disparities, health policy, health services research, and program and policy evaluation. His research has been published in reputable health policy journals such as Health Affairs, Health Services Research, Social Science and Medicine, Medical Care, among others. His work has received funding from the National Institutes of Health (NIH), the Agency for Healthcare Research and Quality (AHRQ), the Robert Wood Johnson Foundation, the Commonwealth Fund, and various government funders and foundations.

Bustamante has a PhD in public policy. He also has a master's in public policy and a master's in economics from Berkeley. As part of his professional experience, he worked as a consultant for the Inter-American Development Bank and for the California Program on Access to Care. Prior to that, he worked for the Health Care Financing Administration of the Mexican Ministry of Health.

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Journal Article

Organizational Perspectives on the Public Charge Rule and Health Care Access for Latino Immigrants in California

In this qualitative study, authors aim to examine how mis- and disinformation about the Public Charge Ground of Inadmissibility final rule ("public charge rule") influences health care access for Latino immigrants in California. Between May 2024 and April 2025, primary data were collected from 32 interviews (38 participants) with healthcare and community-based organizational leaders serving Latino immigrants in California.

Findings: Participants identified the public charge rule as a significant barrier to health care access for Latino immigrants. The policy has discouraged many Latinos from accessing public benefits, particularly the state's Medicaid and Supplemental Nutrition Assistance Program. In addition, immigrants' trusted sources of information (e.g., family, friends, and attorneys) were often misinformed about the policy, which amplified confusion and fear. Organizations respond by providing accurate information and connecting individuals with reliable resources to clarify that using public benefits would not necessarily result in being classified as a public charge. However, most efforts focused on education rather than directly countering mis- and disinformation. 

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External Publication

External Publication

Latino Policy & Politics Institute Health and Climate Dashboard

The Latino Climate and Health Dashboard is a digital resource that provides county-specific fact sheets illustrating how Latino neighborhoods (has 70% or more Latino residents) in the state face heightened health and environmental risks. Each county has fact sheets on two topics: heat exposure and air pollution. Data for Latino neighborhoods is compared with data for non-Latino white neighborhoods (has 70% or more white residents).  

Heat exposure data include county-level demographic information that influences heat exposure and neighborhood information on recent (2018–2022) and projected (2035–2064) data on extreme heat days; barriers from or contributors to heat exposure; and vulnerable groups.  

Air pollution data include county-level demographic information that influences air pollution exposure and neighborhood information on exposure (2015–2017) to fine air particulate matter (PM 2.5) and diesel emissions; proximity to major air pollution sources, vehicle and traffic types; and vulnerable groups. 

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External Publication

Supplemental Nutrition in Jeopardy: Key Facts About CalFresh Beneficiaries

This data brief highlights key facts about CalFresh enrollees and examines the broader health implications of reducing funding to the Supplemental Nutrition Assistance Program (SNAP); particularly, how proposed federal SNAP cuts threaten food access for millions of Californians and disproportionately impact Latino communities. The analysis draws on data from UCLA LPPI’s Latino Data Hub (LDH), which incorporates data from the Census Bureau’s American Community Survey (ACS). Data from the California Health Interview Survey (CHIS) is also presented to provide additional insights.

Findings:  

  • Nearly half (48%) of low-income Latino adults in California experience food insecurity. Research links food insecurity to poorer health outcomes and reduced ability to access care, impacts that CalFresh and Medi-Cal help mitigate.
  • Latinos make up 55% of CalFresh participants statewide, underscoring the importance of the program to the state’s plurality.
  • Among working-age Latino CalFresh enrollees (ages 18–64), 69% participate in the labor force — the highest rate compared to enrollees of other racial and ethnic groups. These data highlight that CalFresh is a critical support for working families, not just the unemployed.
  • Children (ages 0–17) make up 40% of Latino CalFresh enrollees, compared to a statewide average of 33%, highlighting the program’s importance for child nutrition in California’s young Latino population.
  • More than 3 million Californians are dually enrolled in both CalFresh and Medi-Cal, including 1.8 million Latinos. This high overlap  shows how CalFresh reduces financial strain and improves health access for families already facing structural barriers.

 

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Journal Article

A Qualitative Mystery Shopper Study That De(codes) the Experiences of English and Spanish-Speaking Patients Who Call to Schedule a First-Time Primary Care Appointment in the Los Angeles, Houston, and New York Metropolitan Statistical Areas

Authors aim to qualitatively assess the experiences that English and Spanish-speaking patients with Medicaid managed care encounter when scheduling a first-time primary care appointment, with a preference for telehealth, in the Los Angeles (LA), Houston and New York (NY) Metropolitan Statistical Areas (MSAs). Primary care offices were randomly selected to participate in this qualitative mystery shopper study. Two researchers listened and transcribed real-time calls between the mystery shopper patients and the receptionists at the primary care offices. Data collection occurred between April 8, 2024, and April 26, 2024.

Findings: Spanish-speaking patients who call to schedule a first-time primary care appointment are more likely to experience call transfers, be told to call back later, and encounter more telephone hang-ups, compared to English-speaking patients. Telehealth for first-time appointments is uncommon and typically available only under special circumstances, including COVID-19, medication refills, test result reviews, and for chronically ill populations.

This study shows disparities in access to care between English and Spanish-speaking patients at the time of scheduling a first-time appointment, highlighting an important point for future intervention.

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Journal Article

Journal Article

Organizational Perspectives on the Public Charge Rule and Health Care Access for Latino Immigrants in California

In this qualitative study, authors aim to examine how mis- and disinformation about the Public Charge Ground of Inadmissibility final rule ("public charge rule") influences health care access for Latino immigrants in California. Between May 2024 and April 2025, primary data were collected from 32 interviews (38 participants) with healthcare and community-based organizational leaders serving Latino immigrants in California.

Findings: Participants identified the public charge rule as a significant barrier to health care access for Latino immigrants. The policy has discouraged many Latinos from accessing public benefits, particularly the state's Medicaid and Supplemental Nutrition Assistance Program. In addition, immigrants' trusted sources of information (e.g., family, friends, and attorneys) were often misinformed about the policy, which amplified confusion and fear. Organizations respond by providing accurate information and connecting individuals with reliable resources to clarify that using public benefits would not necessarily result in being classified as a public charge. However, most efforts focused on education rather than directly countering mis- and disinformation. 

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External Publication

External Publication

Latino Policy & Politics Institute Health and Climate Dashboard

The Latino Climate and Health Dashboard is a digital resource that provides county-specific fact sheets illustrating how Latino neighborhoods (has 70% or more Latino residents) in the state face heightened health and environmental risks. Each county has fact sheets on two topics: heat exposure and air pollution. Data for Latino neighborhoods is compared with data for non-Latino white neighborhoods (has 70% or more white residents).  

Heat exposure data include county-level demographic information that influences heat exposure and neighborhood information on recent (2018–2022) and projected (2035–2064) data on extreme heat days; barriers from or contributors to heat exposure; and vulnerable groups.  

Air pollution data include county-level demographic information that influences air pollution exposure and neighborhood information on exposure (2015–2017) to fine air particulate matter (PM 2.5) and diesel emissions; proximity to major air pollution sources, vehicle and traffic types; and vulnerable groups. 

Publication Placeholder
External Publication

External Publication

Supplemental Nutrition in Jeopardy: Key Facts About CalFresh Beneficiaries

This data brief highlights key facts about CalFresh enrollees and examines the broader health implications of reducing funding to the Supplemental Nutrition Assistance Program (SNAP); particularly, how proposed federal SNAP cuts threaten food access for millions of Californians and disproportionately impact Latino communities. The analysis draws on data from UCLA LPPI’s Latino Data Hub (LDH), which incorporates data from the Census Bureau’s American Community Survey (ACS). Data from the California Health Interview Survey (CHIS) is also presented to provide additional insights.

Findings:  

  • Nearly half (48%) of low-income Latino adults in California experience food insecurity. Research links food insecurity to poorer health outcomes and reduced ability to access care, impacts that CalFresh and Medi-Cal help mitigate.
  • Latinos make up 55% of CalFresh participants statewide, underscoring the importance of the program to the state’s plurality.
  • Among working-age Latino CalFresh enrollees (ages 18–64), 69% participate in the labor force — the highest rate compared to enrollees of other racial and ethnic groups. These data highlight that CalFresh is a critical support for working families, not just the unemployed.
  • Children (ages 0–17) make up 40% of Latino CalFresh enrollees, compared to a statewide average of 33%, highlighting the program’s importance for child nutrition in California’s young Latino population.
  • More than 3 million Californians are dually enrolled in both CalFresh and Medi-Cal, including 1.8 million Latinos. This high overlap  shows how CalFresh reduces financial strain and improves health access for families already facing structural barriers.

 

Center in the News

Lawfully present immigrants help stabilize ACA plans. Why does the GOP want them out?

UCLA Center for Health Policy Research Senior Fellow Arturo Vargas Bustamante was quoted in this column about how immigrants bolster the strength of health insurance marketplace plans. News https://californiahealthline.org/news/article/column-covered-california-immigrants-stabilize-aca-marketplace-trump-health-policy/

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Center in the News

The profound environmental health disparities between Latino and white neighborhoods in L.A.

Arturo Vargas Bustamante, senior fellow at the UCLA Center for Health Policy Research, discussed the importance of the new Latino Climate and Health Dashboard, which provides critical insights amid escalating public health concerns linked to the places where climate change and the Trump administration’s recent immigration policy actions intersect. The Verge also covered this. News https://www.latimes.com/environment/story/2025-06-24/environmental-health-disparities-between-latino-and-white-neighborhoods-in-la

Center in the News

ICE raids, Medicaid penalties deter many from seeking critical care in California, panelists say

Arturo Vargas Bustamante, senior fellow at the UCLA Center for Health Policy Research, was a panelist at the Association for Health Care Journalists annual meeting. He shared his ideas about the economic consequences of removing undocumented immigrants from Medicaid. News https://healthjournalism.org/blog/2025/06/ice-raids-medicaid-penalties-deter-many-from-seeking-critical-care-in-california-panelists-say/

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Paul Torrens Health Forum: A Tribute to Jerry Kominski — Healthcare Reform in California & the Nation

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