Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsUla Hwang, MD, MPH
Professor Adjunct of Emergency MedicineDownloadHi-Res Photo
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Titles
Professor Adjunct of Emergency Medicine
Biography
Ula is an emergency physician and researcher interested in the quality of emergency care that older adults receive. She wrote the article first describing “The Geriatric Emergency Department,” co-lead the development of the 2014 Geriatric ED Guidelines that are endorsed by national Emergency Medicine and Geriatrics organizations, serves on the Board of Governors for the American College of Emergency Physician's Geriatric Emergency Department Accreditation program. She is the co-PI of the Geriatric ED Collaborative (GEDC), a national implementation program supported by the John A. Hartford Foundation and the West Health Institute to educate, implement, and evaluate geriatric emergency care and is the PI of the National Institute on Aging funded Geriatric Emergency care Applied Research (GEAR) Network.
Last Updated on April 07, 2025.
Departments & Organizations
- All Institutions
Education & Training
- Robert Wood Johnson Clinical Scholar
- Yale School of Medicine (2004)
- Resident
- Mount Sinai Medical Center (2002)
- MPH
- Harvard School of Public Health (1999)
- MD
- New York University School of Medicine (1997)
Research
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Overview
Medical Research Interests
Geriatrics
ORCID
0000-0002-3715-3073
Research at a Glance
Yale Co-Authors
Frequent collaborators of Ula Hwang's published research.
Publications Timeline
A big-picture view of Ula Hwang's research output by year.
Research Interests
Research topics Ula Hwang is interested in exploring.
Cameron Gettel, MD, MHS
Arjun Venkatesh, MD, MBA, MHS
Craig Rothenberg
Joan K Monin, PhD
Cynthia Brandt, MD, MPH
Andrew Taylor, MD, MHS
195Publications
6,486Citations
Publications
Featured Publications
Detecting Cognitive Impairment and Dementia in the Emergency Department: A Scoping Review
Nowroozpoor A, Dussetschleger J, Perry W, Sano M, Aloysi A, Belleville M, Brackett A, Hirshon JM, Hung W, Moccia JM, Ohuabunwa U, Shah MN, Hwang U, Network G, Aggarwal N, Bellolio M, Betz M, Biese K, Brandt C, Bruursema S, Carnahan R, Carpenter C, Carr D, Chin-Hansen J, Daven M, Degesys N, Dresden S, Ellenbogen M, Falvey J, Foster B, Gettel C, Gilmore-Bykovskyi A, Goldberg E, Han J, Hardy J, Hastings S, Hogan T, Isaacs E, Jaspal N, Johnson J, Kelly K, Kennedy M, Kind A, Malone M, Moreno M, Morrow-Howell N, Oiyemhonlan B, Resendez J, Rising K, Savage B, Suyama J, Swartzberg J, Tolia V, Vann A, Webb T, Weintraub S. Detecting Cognitive Impairment and Dementia in the Emergency Department: A Scoping Review. Journal Of The American Medical Directors Association 2022, 23: 1314-1315.e55. PMID: 35940682, PMCID: PMC10804640, DOI: 10.1016/j.jamda.2022.03.019.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsSix-Item ScreenerEmergency departmentCognitive impairmentED settingConsensus conferenceScoping ReviewHigh negative predictive valueAdult ED patientsNegative predictive valueMedical research databasesOttawa 3DYSystematic scoping reviewED patientsResearch funding prioritiesClinical careResearch DatabasePredictive valueCare partnersResearch prioritiesDementiaImpairmentConsensus processPractice gapTask ForceFuture research prioritiesAdapting Emergency Care for Persons Living With Dementia: Results of the Geriatric Emergency Care Applied Research Network Scoping Review and Consensus Conference
Carpenter CR, Dresden SM, Shah MN, Hwang U. Adapting Emergency Care for Persons Living With Dementia: Results of the Geriatric Emergency Care Applied Research Network Scoping Review and Consensus Conference. Journal Of The American Medical Directors Association 2022, 23: 1286-1287. PMID: 35940679, PMCID: PMC12326261, DOI: 10.1016/j.jamda.2022.05.016.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsThe Geriatric Emergency Care Applied Research (GEAR) network approach: a protocol to advance stakeholder consensus and research priorities in geriatrics and dementia care in the emergency department
Hwang U, Carpenter C, Dresden S, Dussetschleger J, Gifford A, Hoang L, Leggett J, Nowroozpoor A, Taylor Z, Shah M, Bellolio M, Biese K, Binkley C, Bott N, Brody A, Carpenter C, Clark S, Dresden S, Forester S, Gettel C, Goldberg E, Greenberg A, Hammouda N, Han J, Hastings N, Hogan T, Hung W, Hwang U, Kayser J, Kennedy M, Ko K, Lesser A, Linton E, Liu S, Malsch A, Melady C, Morrow-Howell N, Nassisi D, Nerbonne L, Nyamu S, Ohuabunwa U, Platts-Mills T, Ragsdale L, Richardson L, Ringer T, Rosen A, Rosenberg M, Shah M, Skains R, Skees S, Souffront K, Stabler L, Sullivan C, Suyama J, Vargas S, Vaughan E, Voils C, Wei D, Allore H, Aloysi A, Belleville M, Bellolio M, Betz M, Biese K, Brandt C, Carnahan R, Carr D, Chin-Hansen J, Daven M, Degesys N, Ellenbogen M, Escobedo M, Falvey J, Gill T, Gilmore-Bykovskyi A, Goldberg E, Han J, Hardy J, Hastings S, Hirshon J, Hogan T, Hung W, Isaacs E, Kelly K, Kennedy M, Kind A, Malicki C, Malone M, Marottoli R, Moccia M, Mor V, Morris J, Howell N, Nowroozpoor A, Ohuabunwa U, Oiyemhonlan B, Perry W, Raven M, Rising K, Sano M, Stabler L, Sullivan C, Suyama J, Swartzberg J, Tolia V, Vann A, Weintraub S, Zieman S, Dussetschleger J, Gifford A, Leggett J, Nowroozpoor A, Taylor Z. The Geriatric Emergency Care Applied Research (GEAR) network approach: a protocol to advance stakeholder consensus and research priorities in geriatrics and dementia care in the emergency department. BMJ Open 2022, 12: e060974. PMID: 35459682, PMCID: PMC9036447, DOI: 10.1136/bmjopen-2022-060974.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsEmergency departmentOlder adultsEmergency careEmergency care needsGeriatric emergency carePriority topic areasPeer-reviewed journalsClinical gapsCare needsResearch prioritiesCare partnersConsensus workshopSystematic reviewHealthcare needsDementia careIntervention impactDissemination of findingsTrial evaluationCareImplementation scienceAdultsResearch NetworkReviewStandardised searchHuman subjects researchAssociation of a Geriatric Emergency Department Innovation Program With Cost Outcomes Among Medicare Beneficiaries
Hwang U, Dresden SM, Vargas-Torres C, Kang R, Garrido MM, Loo G, Sze J, Cruz D, Richardson LD, Adams J, Aldeen A, Baumlin KM, Courtney DM, Gravenor S, Grudzen CR, Nimo G, Zhu CW, Abraham G, Amoko C, Genes N, Morano B, Nassisi D, Ortiz J, Rivera-Reyes L, Sanon M, Shapiro J, Winkel G, Malik S, Rosenberg M, Christensen M, Karounos M, Schultz R, Sumberg D. Association of a Geriatric Emergency Department Innovation Program With Cost Outcomes Among Medicare Beneficiaries. JAMA Network Open 2021, 4: e2037334. PMID: 33646311, PMCID: PMC7921898, DOI: 10.1001/jamanetworkopen.2020.37334.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsMeSH KeywordsAgedAged, 80 and overCost SavingsCross-Sectional StudiesEmergency Medical ServicesEmergency Service, HospitalFee-for-Service PlansGeriatric AssessmentHealth Services for the AgedHospital CostsHospitalsHumansMedicarePatient CareReferral and ConsultationSocial WorkTransitional CareUnited StatesConceptsTransitional care nursesFirst ED visitIndex ED visitED visitsMAIN OUTCOMEMedicare feeMedicare beneficiariesService beneficiariesEmergency department programComparison groupCross-sectional studyUnique Medicare beneficiariesLower Medicare expendituresMost patientsMean ageCare nursesVisit encountersCare programGeriatric treatmentCost outcomesPatient careMedicare expendituresHealth systemMean savingsPatients
2026
Development and validation of the Caregiver‐reported Outcome Measure for Emergency care Transitions (COMET) tool
Gettel C, Galske J, Chera T, Uzamere I, Venkatesh A, White M, Hwang U. Development and validation of the Caregiver‐reported Outcome Measure for Emergency care Transitions (COMET) tool. Alzheimer's & Dementia Behavior & Socioeconomics Of Aging 2026, 2 DOI: 10.1002/bsa3.70067.Peer-Reviewed Original ResearchConceptsCaregiver-reported outcome measuresCare transitionsCare partnersEmergency departmentPositive Aspects of CaregivingOutcome measuresAspects of caregivingExcellent internal consistencyCaregiver burdenPositive aspectsCognitive debriefingDischarge instructionsInternal consistencyQualitative interviewsItem developmentCarePsychometric testsExpert reviewCognitive impairmentCaregiversFactor analysisUnique experienceDebriefingPartnersEmergencyHigh-Risk Medication Prescriptions Among Older Adults Discharged from the Emergency Department
Iscoe M, Sangal R, Hwang U, Fried T, Meeker D, Conner T, Gettel C, Follman S, Wright D, Venkatesh A. High-Risk Medication Prescriptions Among Older Adults Discharged from the Emergency Department. JAMA Internal Medicine 2026, 186 PMID: 41661555, PMCID: PMC12887836, DOI: 10.1001/jamainternmed.2025.7883.Peer-Reviewed Original ResearchCitationsAltmetric
2025
Emergency department utilization among family caregivers of persons living with dementia
Gettel C, Cha P, Rothenberg C, Chary A, Seidenfeld J, Hwang U, Fried T, Monin J, Venkatesh A. Emergency department utilization among family caregivers of persons living with dementia. Alzheimer's & Dementia 2025, 21: e102170. PMCID: PMC12726775, DOI: 10.1002/alz70860_102170.Peer-Reviewed Original ResearchConceptsFamily caregiversCare-seeking patternsED visit ratesED visitsEmergency departmentGlobal prevalence of dementiaRate of ED visitsMedical Expenditure Panel Survey dataPrevalence of dementiaEmergency department utilizationPerson-monthsFamily membersVisit ratesGlobal prevalenceMonthly ED visitsDementia caregiversCaregiver ageObservational cohort studyHealthcare utilizationMEPS participantsCaregiversHealth conditionsAnalytic sampleICD-10Cohort studyAssociation of Geriatric Emergency Department Care With Patient Outcomes in Older Adults
Qian Y, Gettel C, Su J, Grogan E, Cohen I, Rothenberg C, Chen X, Hwang U. Association of Geriatric Emergency Department Care With Patient Outcomes in Older Adults. Innovation In Aging 2025, 9: igaf122.4391. PMCID: PMC12762883, DOI: 10.1093/geroni/igaf122.4391.Peer-Reviewed Original ResearchConceptsGeriatric Emergency DepartmentNon-Hispanic white individualsOlder adultsED visitsWhite individualsHospital admissionOdds of hospital admissionNational dataHigh-quality careEmergency department careHospital-level characteristicsPatient-centered outcomesOutcome of hospital admissionMultivariate logistic regression modelOlder adult subgroupsLogistic regression modelsPatient-level analysisSocioeconomic statusNational estimatesHealth conditionsEmergency departmentCareAccreditation programPatient outcomesDiverse populationsEffects of Geriatric Emergency Department Implementation on Hospital Admissions: Evidence from HCUP
Su J, Gettel C, Cohen I, Chen X, Qian Y, Rothenberg C, Hwang U, Grogan E. Effects of Geriatric Emergency Department Implementation on Hospital Admissions: Evidence from HCUP. Innovation In Aging 2025, 9: igaf122.4107. PMCID: PMC12761664, DOI: 10.1093/geroni/igaf122.4107.Peer-Reviewed Original ResearchConceptsGeriatric Emergency DepartmentEmergency departmentHospital admissionOlder adultsAge-friendly careEncounter volumeHospital admission outcomesEncounter-level dataHealthcare utilizationTeaching statusHealthcare costsAdmission outcomesDepartment's implementationStatistically significant declineMatching variablesEmergency settingHospitalAdmissionCareHealthcareBaseline meanHCUPSignificant declineStudy estimationStatusTrends in older adults boarding in US EDs
Sifnugel N, Cruz D, Jeffery M, Sangal R, Carr B, Dresden S, Gettel C, Hwang U. Trends in older adults boarding in US EDs. Innovation In Aging 2025, 9: igaf122.3349. PMCID: PMC12763053, DOI: 10.1093/geroni/igaf122.3349.Peer-Reviewed Original ResearchConceptsOlder adultsAge strataMedication safety eventsPatient care complexityRisk of deliriumOlder patientsBoarding rateCare complexityUS EDsED encountersED boardingHospital measuresHealthcare systemAdministrative dataInpatient boardingSafety eventsVulnerable patientsProportion of patientsAge groupsMultisystem evaluationStudy periodHospital mortalityDisproportionate harmHigher RatesElevated rates
Academic Achievements & Community Involvement
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Honors
honor Pioneer Award
06/27/2022National AwardAcademy of Geriatric Emergency Medicine (AGEM)DetailsUnited Stateshonor Mentorship Award
06/27/2022National AwardAcademy of Geriatric Emergency Medicine (AGEM)DetailsUnited States
News
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News
- April 08, 2026
Specialized Emergency Departments for Older Adults Linked to Better Outcomes
- July 10, 2024
Iscoe Receives YCCI Scholar Award for AI Research on Drug Reactions
- May 25, 2023
Yale Community Showcased at AGS Conference
- March 29, 2023
Yale Emergency Medicine Ranks First for NIH Grants Funding According to National Report
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