Benjamin Oldfield, MD, MHS, BA
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About
Appointments
Internal Medicine
Assistant Clinical ProfessorPrimary
Other Departments & Organizations
- Internal Medicine
Education & Training
- MHS
- Yale School of Medicine (2018)
- Resident
- Johns Hopkins Hospital (2016)
- MD
- Harvard Medical School (2012)
- BA
- Swarthmore College, Comparative Literature (2007)
Research
Overview
Medical Research Interests
Adolescent Medicine; Alcohol-Related Disorders; Health Services Research; Humanities; Opioid-Related Disorders; Pediatrics; Substance Abuse, Intravenous; Tobacco Use Disorder
ORCID
0000-0003-1708-803X
Research at a Glance
Yale Co-Authors
Frequent collaborators of Benjamin Oldfield's published research.
Publications Timeline
A big-picture view of Benjamin Oldfield's research output by year.
Research Interests
Research topics Benjamin Oldfield is interested in exploring.
E. Jennifer Edelman, MD, MHS, BS
Jeanette Tetrault, MD, FACP, FASAM
David Fiellin, MD
Emma Biegacki, MPH
Melissa C Funaro, MLS, MS
Merceditas Villanueva, MD
20Publications
172Citations
Opioid-Related Disorders
Health Services Research
Pediatrics
Publications
2025
Unhealthy Alcohol Use and HIV Preexposure Prophylaxis—Opportunities for Integrated Care
Oldfield B, Edelman E. Unhealthy Alcohol Use and HIV Preexposure Prophylaxis—Opportunities for Integrated Care. JAMA Network Open 2025, 8: e257301. PMID: 40279131, DOI: 10.1001/jamanetworkopen.2025.7301.Peer-Reviewed Original ResearchAltmetricTelemedicine Use and Hypertension Control in an Urban Community Health Center Cohort
Molina F, Westvold S, Soulos P, Brockman A, Alcaraz E, Oldfield B. Telemedicine Use and Hypertension Control in an Urban Community Health Center Cohort. Journal Of General Internal Medicine 2025, 40: 1519-1526. PMID: 39920430, PMCID: PMC12052640, DOI: 10.1007/s11606-025-09393-x.Peer-Reviewed Original ResearchConceptsBlood pressure <Safety-net primary care settingBlood pressure controlMultisite community health centerHypertension controlMain MeasuresThe primary outcomeBP controlAssociated with blood pressure controlChronic disease managementSocial deprivation indexAssociated with lower oddsCommunity health centersPrimary care settingSafety-net populationMeasuresThe primary outcomeBlack patientsMixed-effects logistic regression modelsIn-person visitsPersistent racial disparitiesAssociated with blood pressureSystolic blood pressure <Logistic regression modelsDeprivation indexDiastolic blood pressure <High deprivation
2024
Clinician Staffing and Quality of Care in US Health Centers
Sun Q, Forman H, Stern L, Oldfield B. Clinician Staffing and Quality of Care in US Health Centers. JAMA Network Open 2024, 7: e2440140. PMID: 39436649, PMCID: PMC11581487, DOI: 10.1001/jamanetworkopen.2024.40140.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsAdvanced practice registered nursesUniform Data SystemQuality of careUS health centersHealth centersCancer screeningCross-sectional studyStaffing modelsBody mass indexAssociated with higher performanceHIV testingAssociated with quality of carePrimary care safety netHealth Resources and Services Administration's Uniform Data SystemQuality-of-care metricsPreventive health assessmentsPractice registered nursesBreast cancer screeningClinical quality metricsCommunity-specific needsCervical cancer screeningPositive associationNonlinear positive associationAssociated with qualityFull-time equivalentLong-Term Use of Muscle Relaxant Medications for Chronic Pain
Oldfield B, Gleeson B, Morford K, Adams Z, Funaro M, Becker W, Merlin J. Long-Term Use of Muscle Relaxant Medications for Chronic Pain. JAMA Network Open 2024, 7: e2434835. PMID: 39298168, PMCID: PMC11413720, DOI: 10.1001/jamanetworkopen.2024.34835.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsLow back painBack painSkeletal muscle relaxantsChronic painRandomized clinical trialsNeck painCohort studyEfficacy of long-term useLong-term useSystematically searched Ovid MEDLINEMuscle relaxant medicationsModerate risk of biasOpioid prescribing guidelinesRisk of biasQuality of cohort studiesWeb of SciencePainful crampsRelaxant medicationsChronic pain syndromesPainful spasmsOvid MEDLINEPrescribing guidelinesSystematic reviewIncreased prescriptionModerate riskOpportunities for Alcohol-Related Care in the COVID-19 Pandemic and Beyond
Oldfield B, Haque L, Jennifer Edelman E. Opportunities for Alcohol-Related Care in the COVID-19 Pandemic and Beyond. Journal Of General Internal Medicine 2024, 39: 2129-2130. PMID: 38671202, PMCID: PMC11347542, DOI: 10.1007/s11606-024-08730-w.Peer-Reviewed Original Research
2023
Perspectives on unhealthy alcohol use among men who have sex with men prescribed HIV pre-exposure prophylaxis: A qualitative study
Strong S, Oldfield B, van den Berg J, Cole C, Biegacki E, Ogbuagu O, Virata M, Chan P, Edelman E. Perspectives on unhealthy alcohol use among men who have sex with men prescribed HIV pre-exposure prophylaxis: A qualitative study. Preventive Medicine Reports 2023, 37: 102553. PMID: 38282665, PMCID: PMC10810836, DOI: 10.1016/j.pmedr.2023.102553.Peer-Reviewed Original ResearchCitationsConceptsUnhealthy alcohol usePre-exposure prophylaxisAlcohol reduction interventionsAlcohol useHIV pre-exposure prophylaxisOral pre-exposure prophylaxisAcquisition of HIVAlcohol-related harmPrEP adherencePrEP careTreatment optionsOral formulationReduction interventionsPrEP programMSMPrEPProphylaxisHIVMultimodal approachMenCareAdherenceInterventionSexUnited StatesAssociations between Patient Experience and Addiction Treatment Facility Services: Results of the Addiction Treatment Locator, Assessment, and Standards Surveys
Chen K, Oldfield B, Joudrey P, Biegacki E, Fiellin D. Associations between Patient Experience and Addiction Treatment Facility Services: Results of the Addiction Treatment Locator, Assessment, and Standards Surveys. Journal Of Addiction Medicine 2023, 17: 544-550. PMID: 37788607, DOI: 10.1097/adm.0000000000001174.Peer-Reviewed Original ResearchAltmetricDrive Time to Addiction Treatment Facilities Providing Contingency Management across Rural and Urban Census Tracts in 6 US States
Joudrey P, Chen K, Oldfield B, Biegacki E, Fiellin D. Drive Time to Addiction Treatment Facilities Providing Contingency Management across Rural and Urban Census Tracts in 6 US States. Journal Of Addiction Medicine 2023, 17: 615-617. PMID: 37788621, PMCID: PMC10591456, DOI: 10.1097/adm.0000000000001170.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsMedian drive timeCM providersContingency managementMOUD servicesUrban census tractsOpioid use disorder servicesRural-Urban Commuting Area codesQualified health centersCensus tractsAddiction treatment facilitiesDisorder treatment providersDrive timeMOUD treatmentHealth centersOutpatient substanceDisorder servicesFacility surveyUrban-rural disparitiesTractTreatment providersFQHCsArea codesMinutesUS statesProvidersGroup well-child care as a facilitator of psychoeducation: pediatrics residents’ perspectives
Nogelo P, Oldfield B, Fenick A, Rosenthal M. Group well-child care as a facilitator of psychoeducation: pediatrics residents’ perspectives. Health Education Research 2023, 38: 329-337. PMID: 37036718, DOI: 10.1093/her/cyad017.Peer-Reviewed Original ResearchMeSH Keywords and ConceptsConceptsSocial vulnerabilityExperiences of communicationPediatrics residents' perspectivesResidents' perspectivesComplex social needsGroup well-child careWell-child careProblem-solving skillsConstant comparative methodIndividual well-child careQualitative study designParenting practicesSocial needsPsychosocial mattersPsychoeducationPersonal storiesPediatric residentsComparative methodSkillsSupportive environmentResidentsPerspectivePracticeLongitudinal qualitative study designMaternal healthAvailability of Specific Programs and Medications for Addiction Treatment to Vulnerable Populations: Results from the Addiction Treatment Locator, Assessment, and Standards (ATLAS) Survey
Oldfield B, Chen K, Joudrey P, Biegacki E, Fiellin D. Availability of Specific Programs and Medications for Addiction Treatment to Vulnerable Populations: Results from the Addiction Treatment Locator, Assessment, and Standards (ATLAS) Survey. Journal Of Addiction Medicine 2023, 17: 477-480. PMID: 37579115, DOI: 10.1097/adm.0000000000001158.Peer-Reviewed Original ResearchAltmetric
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