Chima D Ndumele, MPH, PhD
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Associate Professor of Public Health (Health Policy), and Associate Professor in the Institution for Social and Policy Studies
Biography
Chima Ndumele is an Associate Professor of Public Health (Health Policy) at the Yale School of Public Health. His research is focused on better understanding factors which influence the way vulnerable populations connect with and access health care resources. Specifically, he conducts work in three areas. The first examines how changes in local policy environment impact the care received by Medicaid enrollees. The second area explores how safety-net organizations can improve health care services delivery. Finally, he investigates the effects of changes in insurance coverage on the quality of care received by individuals with chronic physical and mental health conditions. He received his PhD from the Brown University School of Public Health
Appointments
Health Policy & Management
Associate Professor TenurePrimary
Other Departments & Organizations
Education & Training
- PhD
- Brown University (2013)
- MPH
- Tufts University (2006)
Research
Research at a Glance
Yale Co-Authors
Frequent collaborators of Chima D Ndumele's published research.
Publications Timeline
A big-picture view of Chima D Ndumele's research output by year.
Jacob Wallace, PhD
Harlan Krumholz, MD, SM
Yuan Lu, ScD
Ania Jastreboff, MD, PhD
Deepon Bhaumik
Marcella Nunez-Smith, MD, MHS
9Publications
53Citations
Publications
2024
Alternative 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 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 study
2023
Eligibility for Cardiovascular Risk Reduction Therapy in the United States Based on SELECT Trial Criteria: Insights From the National Health and Nutrition Examination Survey
Lu Y, Liu Y, Jastreboff A, Khera R, Ndumele C, Rodriguez F, Watson K, Krumholz H. Eligibility for Cardiovascular Risk Reduction Therapy in the United States Based on SELECT Trial Criteria: Insights From the National Health and Nutrition Examination Survey. Circulation Cardiovascular Quality And Outcomes 2023, 17: e010640. PMID: 37950677, PMCID: PMC10782930, DOI: 10.1161/circoutcomes.123.010640.Peer-Reviewed Original ResearchCitationsAltmetricVariation in Procedural Denials of Medicaid Eligibility Across States Before the COVID-19 Pandemic
Schpero W, Brahmbhatt D, Liu M, Ndumele C, Chatterjee P. Variation in Procedural Denials of Medicaid Eligibility Across States Before the COVID-19 Pandemic. JAMA Health Forum 2023, 4: e233892. PMID: 37976050, PMCID: PMC10656645, DOI: 10.1001/jamahealthforum.2023.3892.Peer-Reviewed Original ResearchCitationsAltmetricAfter 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 ConceptsAssociation 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 homesExcess Mortality and Years of Potential Life Lost Among the Black Population in the US, 1999-2020
Caraballo C, Massey D, Ndumele C, Haywood T, Kaleem S, King T, Liu Y, Lu Y, Nunez-Smith M, Taylor H, Watson K, Herrin J, Yancy C, Faust J, Krumholz H. Excess Mortality and Years of Potential Life Lost Among the Black Population in the US, 1999-2020. JAMA 2023, 329: 1662-1670. PMID: 37191702, PMCID: PMC10189563, DOI: 10.1001/jama.2023.7022.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsExcess mortality ratesExcess deathsMortality ratePotential lifeWhite populationExcess mortalitySerial cross-sectional studyHighest excess mortality ratesBlack populationCause-specific mortalityCross-sectional studyHigh mortality rateNon-Hispanic whitesYears of lifeUS national dataMiddle-aged adultsCause mortalityHeart diseaseDeath certificatesNon-Hispanic black populationMAIN OUTCOMEAge groupsDisease controlMortalityBlack malesRisk 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 KeywordsRisk Adjustment And Promoting Health Equity In Population-Based Payment: Concepts And Evidence
McWilliams J, Weinreb G, Ding L, Ndumele C, Wallace J. Risk Adjustment And Promoting Health Equity In Population-Based Payment: Concepts And Evidence. Health Affairs 2023, 42: 105-114. PMID: 36623215, PMCID: PMC9901844, DOI: 10.1377/hlthaff.2022.00916.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsRisk adjustmentHealth equityCurrent risk adjustmentHealth care useSocial risk factorsPromoting Health EquityFunctional statusCare useRisk factorsMedicare populationEthnic disparitiesHispanic beneficiariesSocial determinantsWhite beneficiariesPopulation-based paymentsPopulation-based payment modelAnnual spendingPayment modelsHigher proportionPopulationAdjustmentPredictive accuracy
2022
Long-Term Stability of Coverage Among Michigan Medicaid Beneficiaries : A Cohort Study.
Ndumele C, Lollo A, Krumholz H, Schlesinger M, Wallace J. Long-Term Stability of Coverage Among Michigan Medicaid Beneficiaries : A Cohort Study. Annals Of Internal Medicine 2022, 176: 22-28. PMID: 36469920, DOI: 10.7326/m22-1313.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and Concepts
Links & Media
News
- May 23, 2024Source: Yale Insights: Health & Veritas
Chima Ndumele: Reinventing Medicaid
- April 12, 2024Source: CBS News
Nearly 1 in 4 adults dumped from Medicaid are now uninsured, survey finds
- 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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