Trends in Emergency Department Visits Among Undocumented Patients - Report - MDSpire

Trends in Emergency Department Visits Among Undocumented Patients

  • By

  • Rama A. Salhi

  • Sarah Rapaport

  • Melissa A. Meeker

  • Fiona Danaher

  • Matthew Gartland

  • Margaret E. Samuels-Kalow

  • May 26, 2026

  • 0 min

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Patterns of Emergency Department Utilization by Undocumented Individuals

Overview

This cohort study evaluated emergency department (ED) visits among undocumented individuals in Massachusetts following the rescission of the Protected Areas Policy. Findings indicate a significant decline in ED visits among patients with MassHealth Limited or missing insurance, particularly among those preferring Portuguese as their language.

Background

Recent changes in federal immigration policy have impacted healthcare access for undocumented individuals in the U.S. Understanding how these policies affect emergency department utilization is crucial for addressing healthcare disparities. This study provides insights into the association between policy changes and ED visit patterns among undocumented patients.

Data Highlights

GroupPreperiod VisitsPostperiod VisitsChange (%)
Adults with MHL/missing insurance16,66614,799-11.2%
Pediatric patients with MHL/missing insurance2,8882,500-13.4%

Key Findings

  • Overall ED visits decreased for patients with MHL/missing insurance post-policy change.
  • Adult visits with MHL/missing insurance decreased by 11.2% from preperiod to postperiod.
  • Pediatric visits with MHL/missing insurance decreased by 13.4% during the same timeframe.
  • Patients preferring Portuguese had the highest rates of MHL/missing insurance at 55.2%.
  • Use of preferred language did not consistently reflect the decline in ED visits seen with insurance status.
  • Trends suggest that local migration patterns may influence ED utilization among language groups.

Clinical Implications

Healthcare providers should be aware of the potential decline in ED utilization among undocumented patients following recent policy changes. Understanding the limitations of proxies for undocumented status, such as language, is essential for accurately assessing healthcare access and needs.

Conclusion

The study highlights significant changes in ED utilization patterns among undocumented individuals in response to immigration policy shifts, emphasizing the need for ongoing monitoring and tailored healthcare strategies.

Related Resources & Content

  1. JAMA Network Open, 2026 -- Trends in Emergency Department Visits Among Undocumented Patients
  2. Enforcement Actions in or Near Protected Areas | Homeland Security, 2025
  3. Journal of General Internal Medicine — Patient and Primary Care Characteristics Associated with Emergency Department Utilization Among Homeless-Experienced Veterans
  4. kff health news — Could Medicaid Data Deter Emergency Care?
  5. JAMA Network Open — Trends and Hospital Factors in Emergency Department Patients Leaving Without Being Seen, 2015-2024
  6. JAMA Network Open — Measuring What Matters When Patients Leave the Emergency Department
  7. Key Facts on Health Coverage of Immigrants
  8. Enforcement Actions in or Near Protected Areas | Homeland Security
  9. Trends in Emergency Department Visits Among Undocumented Patients | Equity, Diversity, and Inclusion | JAMA Network Open | JAMA Network
  10. How Good are Proxies for Legal Status? Evidence from the Legalization of Two Million Mexicans | NBER
  11. Evaluating Emergency Department Utilization among Undocumented Patients Receiving Care at a Community Health Clinic - PMC
  12. SecreUiiy U.S.Department of Homeland Sceurit)­ Wa

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