Jacob Wallace, PhD
Associate Professor of Public Health (Health Policy)Cards
Contact Info
About
Titles
Associate Professor of Public Health (Health Policy)
Biography
Jacob Wallace is an Associate Professor of Public Health (Health Policy) at the Yale School of Public Health whose primary research interest is Medicaid. He is a health economist by training and received his PhD from Harvard University. Prior to that he worked as a policy analyst for the New York State Department of Health in the Office of Health Insurance Programs for three years. His research is focused on the economics of the Medicaid program, with a particular focus on the impact of managed care. He uses quasi-experimental methods to study performance differences across plans, how provider networks impact plan selection and how enrollees experience care, and how managed care tools shape utilization in Medicaid.
Appointments
Health Policy & Management
Associate Professor on TermPrimaryInstitution for Social and Policy Studies
Assistant ProfessorSecondary
Other Departments & Organizations
- Health Policy & Management
- Health Policy and Management (HPM)
- Institution for Social and Policy Studies
- SCALE Medicaid Lab
- Yale School of Public Health
- Yale School of Public Health - NEW
Education & Training
- PhD
- Harvard University (2016)
- BA
- Swarthmore College (2005)
Research
Overview
Medical Research Interests
Public Health Interests
ORCID
0000-0003-4533-5253
Research at a Glance
Yale Co-Authors
Publications Timeline
Research Interests
Chima D Ndumele, MPH, PhD
Deepon Bhaumik
Harlan Krumholz, MD, SM
Jason L. Schwartz, PhD
Publications
2024
Attributing Racial Differences in Care to Health Plan Performance or Selection
Wallace J, Ndumele C, Lollo A, Macambira D, Lavallee M, Green B, Duchowny K, McWilliams J. Attributing Racial Differences in Care to Health Plan Performance or Selection. JAMA Internal Medicine 2024, 185 PMID: 39585673, PMCID: PMC11589859, DOI: 10.1001/jamainternmed.2024.5451.Peer-Reviewed Original ResearchCitationsAltmetricConceptsEmergency department visitsPrimary care visitsCross-sectional studyDepartment visitsCare visitsRacial differencesWhite enrolleesMagnitude of racial differencesHealth equity metricHealth care disparitiesWhite Medicaid enrolleesSelection biasSouthern US statesPlanning indicatorsPrescription drug useCare disparitiesSelf-identified blacksHealth plansMain OutcomesEffectiveness of planningPublic reportingAdministrative claimsRandom populationMedicaid populationMedicaid enrolleesSupplemental Nutrition Assistance Program Work Requirements and Safety-Net Program Participation
Ndumele C, Factor H, Lavallee M, Lollo A, Wallace J. Supplemental Nutrition Assistance Program Work Requirements and Safety-Net Program Participation. JAMA Internal Medicine 2024, 185 PMID: 39495527, PMCID: PMC11536301, DOI: 10.1001/jamainternmed.2024.5932.Peer-Reviewed Original ResearchAltmetricConceptsSupplemental Nutrition Assistance ProgramSNAP work requirementsAble-bodied adultsChronic conditionsCharacteristics of individualsLow-incomeCohort studyMedicaid coverageNutrition Assistance ProgramSocioeconomic characteristics of individualsProportion of enrolleesChronic illnessMain OutcomesProgram enrollmentMedicaid enrolleesYounger beneficiariesSocioeconomic characteristicsMedicaidStatistically significant changesTarget populationEnrolleesAssistance programsCaregiversSafety-net programsBeneficiariesAlternative Payment Models and Performance in Federally Qualified Health Centers
Markowski J, Wallace J, Schlesinger M, Ndumele C. Alternative Payment Models and Performance in Federally Qualified Health Centers. JAMA Internal Medicine 2024, 184: 1065-1073. PMID: 38976258, PMCID: PMC11231906, DOI: 10.1001/jamainternmed.2024.2754.Peer-Reviewed Original ResearchAltmetricConceptsPayment modelsMeasures of health care qualityPayer mixFederally Qualified Health CentersCohort studyValue-based payment modelsHealth care safety netColorectal cancer screeningHealth promotion modelHealth care qualityQualified Health CentersUniform Data SystemHealth outcome measuresAlternative payment modelsRisk profileFQHC patientsAssociated with clinicCare qualityChild BMIAdult BMICancer screeningState Medicaid programsIncentivizing qualityHealth centersRetrospective cohort studyAdverse selection and network design under regulated plan prices: Evidence from Medicaid
Kreider A, Layton T, Shepard M, Wallace J. Adverse selection and network design under regulated plan prices: Evidence from Medicaid. Journal Of Health Economics 2024, 97: 102901. PMID: 38944945, PMCID: PMC11392643, DOI: 10.1016/j.jhealeco.2024.102901.Peer-Reviewed Original ResearchCitationsAltmetricDiscrepancies in Estimating Excess Death by Political Party Affiliation During the COVID-19 Pandemic—Reply
Wallace J, Goldsmith-Pinkham P, Schwartz J. Discrepancies in Estimating Excess Death by Political Party Affiliation During the COVID-19 Pandemic—Reply. JAMA Internal Medicine 2024, 184: 119-120. PMID: 38010659, DOI: 10.1001/jamainternmed.2023.6068.Peer-Reviewed Original ResearchAltmetricMeSH Keywords and Concepts
2023
After 50 Years, Health Professional Shortage Areas Had No Significant Impact On Mortality Or Physician Density
Markowski J, Wallace J, Ndumele C. After 50 Years, Health Professional Shortage Areas Had No Significant Impact On Mortality Or Physician Density. Health Affairs 2023, 42: 1507-1516. PMID: 37931191, DOI: 10.1377/hlthaff.2023.00478.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsExcess Death Rates for Republican and Democratic Registered Voters in Florida and Ohio During the COVID-19 Pandemic
Wallace J, Goldsmith-Pinkham P, Schwartz J. Excess Death Rates for Republican and Democratic Registered Voters in Florida and Ohio During the COVID-19 Pandemic. JAMA Internal Medicine 2023, 183: 916-923. PMID: 37486680, PMCID: PMC10366951, DOI: 10.1001/jamainternmed.2023.1154.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsExcess death rateDeath rateCOVID-19 pandemicLow vaccination ratesCOVID-19 vaccinationCross-sectional studyAge 25 yearsCOVID-19 vaccineHigher COVID-19 death ratesCOVID-19 death ratesCross-sectional comparisonMedian ageAdjusted analysisVaccination ratesExcess mortalityVaccination attitudesMAIN OUTCOMEWeekly deathsMortality rateExcess deathsMortality recordsMortality dataStudy sampleDeathVaccineAssociation between Medicare eligibility at age 65 years and in-hospital treatment patterns and health outcomes for patients with trauma: regression discontinuity approach
Bhaumik D, Ndumele C, Scott J, Wallace J. Association between Medicare eligibility at age 65 years and in-hospital treatment patterns and health outcomes for patients with trauma: regression discontinuity approach. The BMJ 2023, 382: e074289. PMID: 37433620, PMCID: PMC10334336, DOI: 10.1136/bmj-2022-074289.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsAge 65 yearsHealth insurance coverageHospital admissionTreatment patternsInsurance coverageSimilar patientsTrauma encountersAge 65Health systemLevel II trauma centerPatient's hospital admissionShare of patientsMain outcome measuresProcess of careDischarge planning processHospital mortalityHospital stayTrauma centerTrauma bayTreatment decisionsOutcome measuresAmerican CollegeInpatient facilitiesLevel INursing homesWhat Difference Does a Health Plan Make? Evidence from Random Plan Assignment in Medicaid.
Geruso M, Layton T, Wallace J. What Difference Does a Health Plan Make? Evidence from Random Plan Assignment in Medicaid. American Economic Journal Applied Economics 2023, 15: 341-379. PMID: 37621701, PMCID: PMC10445793, DOI: 10.1257/app.20210843.Peer-Reviewed Original ResearchCitationsAltmetricRisk Adjustment And Health Equity: The Authors Reply
McWilliams J, Weinreb G, Ndumele C, Wallace J. Risk Adjustment And Health Equity: The Authors Reply. Health Affairs 2023, 42: 732-732. PMID: 37126745, DOI: 10.1377/hlthaff.2023.00297.Peer-Reviewed Original ResearchMeSH Keywords
Academic Achievements & Community Involvement
activity American Economic Review
Journal ServiceReviewerDetails06/20/2021 - Presenthonor Team Science Award
Yale School of Medicine AwardYale School of Public HealthDetails06/01/2021United Stateshonor Faculty Mentor of the Year Award
Yale School of Medicine AwardYale School of Public HealthDetails06/01/2021United States
News & Links
News
- December 20, 2024Source: Yale News
Real-time solutions: Yale unites scholars, policymakers to improve Medicaid
- May 30, 2024
Wallace part of team that earns national health economics research award
- January 30, 2024Source: KFF Health News
Where Are the Nation’s Primary Care Providers? It’s Not an Easy Answer
- November 27, 2023Source: Yale Daily News
Federal program to reduce health disparities is ineffective, YSPH researchers find
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