Brigham Walker

Biographic Data

ID5544989
NAMEBrigham Walker
GIVEN NAMESBrigham
FAMILY NAMEWalker
SIGNATUREWALKER B
AFFILIATIONSTulane University
VERIFIEDNo
TOTAL WORKS13
TOTAL CITATIONS6
AUTHOR COUNT13
EDITOR COUNT0
FIRST PUBLICATION YEAR2021
LATEST PUBLICATION YEAR2026
H-INDEX2

  • Patient and Provider Concordance: Do Patients Prefer Physicians of Their Own Race or Ethnicity

    Benjamin Walker, Brigham Walker et al.ARTICLEMedical Care2026References: 34

    BACKGROUND: Understanding whether patients' preferences for physicians are influenced by racial or ethnic concordance is crucial for balancing patient care satisfaction and health care workforce diversity. OBJECTIVES: To investigate whether patients' preferences for physicians are influenced by racial or ethnic concordance and whether these preferences are reflected in the availability of physicians by race. RESEARCH DESIGN: A patient-focused ran…

  • Development of the Health Disparities Prevention Quality Index for Medicare Accountable Care Organizations

    Open AccessAndrew Anderson, Brigham Walker et al.ARTICLEHealth Equity2025

    Background: Value-based care aims to improve quality and reduce costs, yet racial and ethnic disparities in health outcomes persist, including within Medicare Shared Savings Program accountable care organizations (ACOs). This study introduces the Health Disparities Prevention Quality Index (HDPQI), a novel measure designed to evaluate disparities in preventable hospital admissions, using heart failure (HF) as a case study. Methods: We analyzed ad…

  • The Effect of Medicaid Expansion on Racial/Ethnic and Gender Disparities in Access to Primary Care among Medicaid Patients

    Open AccessSarah Tinkler, Brigham Walker et al.ARTICLEJournal of Racial and Ethnic…2025

  • Hospitalization and Credit Scores Among Medicaid Beneficiaries in Louisiana

    Open AccessBrigham Walker, Gael Compta et al.ARTICLEJAMA Health Forum2025

    This case-control study evaluates the impact of a hospitalization on credit scores for Medicaid beneficiaries in Louisiana stratified by sex, race, and ethnicity

  • Building a Culture of Health Through the Built Environment: Impact of a Cluster Randomized Trial Remediating Vacant and Abandoned Property on Health Mindsets

    Open AccessKatherine P Theall, Jasmine Wallace et al.ARTICLEJournal of Urban Health2025References: 5

    Changing built environment conditions to impact health mindsets and health equity may be a promising target for public health interventions. The present study was a cluster randomized controlled trial to test the impact of remediating vacant and abandoned properties on factors related to health mindset-including well-being, health interconnectedness, social capital markers, neighborhood disorder, and worry-as well as direct and indirect violence …

  • Financial Health Among Louisiana Medicaid Enrollees

    Open AccessChris Frenier, Beniamino Green et al.ARTICLEJAMA Health Forum2024

    This cross-sectional study compares average credit scores and unpaid medical and nonmedical debts in collections among Black, Hispanic, and White adults with Medicaid coverage

  • Disparities in Access to Primary Care Appointments Among Asian American Subgroups, and the Impact of Concordance

    Open AccessJanna Wisniewski, Benjamin Walker et al.ARTICLEJournal of Racial and Ethnic…2024Cited by: 2References: 7

  • Telehealth and Medicare Type 2 Diabetes Care Outcomes: Evidence From Louisiana

    Benjamin Walker, Brigham Walker et al.ARTICLEMedical Care2023References: 20

    BACKGROUND: At the onset of the COVID-19 pandemic, the Centers for Medicare and Medicaid Services broadened access to telehealth. This provided an opportunity to test whether diabetes, a risk factor for COVID-19 severity, can be managed with telehealth services. OBJECTIVE: The objective of this study was to examine the impacts of telehealth on diabetes control. RESEARCH DESIGN: A doubly robust estimator combined a propensity score-weighting strat…

  • Disparities in Telemedicine Use Among Louisiana Medicaid Beneficiaries During the Covid-19 Pandemic

    Kevin Callison, Andrew Anderson et al.ARTICLEMedical Care2023References: 32

    BACKGROUND: The COVID-19 pandemic led to an increased reliance on telemedicine. Whether this exacerbated existing disparities within vulnerable populations is not yet known. OBJECTIVES: Characterize changes in outpatient telemedicine evaluation and management (E&M) services for Louisiana Medicaid beneficiaries by race, ethnicity, and rurality during the COVID-19 pandemic. RESEARCH DESIGN: Interrupted time series regression models estimated pre-CO…

  • Opioid prescribing restrictions and opioid use among the Louisiana Medicaid population

    Open AccessKevin Callison, Dimitris Karletsos et al.ARTICLEInternational Journal of Drug…2022

  • Louisiana Medicaid Expansion and Pent-Up Demand

    Benjamin Walker, Brigham Walker et al.ARTICLEMedical Care2022References: 21

    BACKGROUND: Nearly half a million newly eligible people enrolled in Louisiana Medicaid following its expansion. OBJECTIVES: To evaluate postexpansion utilization trends in Louisiana Medicaid. RESEARCH DESIGN: We plotted utilization trends for expansion and traditional Medicaid beneficiaries and conducted regression analyses to evaluate differences in monthly trends for over 2 years following expansion. SUBJECTS: We restricted our sample to a bala…

  • Does alma mater matter? An audit study of labour market outcomes of Canadian Bachelor's Degree recipients

    Open AccessAnn L Mullen, Jayne Baker et al.ARTICLECanadian Review of Sociology/Revue…2021Cited by: 4References: 10

    In many parts of the world, the rewards attached to a university degree vary significantly according to the name of the institution one attends, particularly in countries with highly stratified postsecondary systems. Because the Canadian higher education system is relatively homogenous and non-hierarchical, it has been generally accepted that Canadian graduates enter the labour market on equal footing regardless of where they matriculate. We test…

  • Medicaid Expansion and Medical Debt: Evidence From Louisiana, 2014–2019

    Kevin Callison, Benjamin Walker et al.ARTICLEAmerican Journal of Public Health2021References: 18

    Objectives. To identify the association between Medicaid eligibility expansion and medical debt. Methods. We used difference-in-differences design to compare changes in medical debt for those gaining coverage through Louisiana’s Medicaid expansion with those in nonexpansion states. We matched individuals gaining Medicaid coverage because of Louisiana’s Medicaid expansion (n = 196 556) to credit report data on medical debt and compared them with r…