John Havlik, MD, MBA
About
Research
Publications
2025
Characteristics of Ongoing Clinical Trials of Psychogenic Substances for Psychiatric Disorders
Havlik J, Isaac S, Raman P, Tran N, Hidalgo K, Suppes T. Characteristics of Ongoing Clinical Trials of Psychogenic Substances for Psychiatric Disorders. Journal Of Clinical Psychopharmacology 2025, 45: 619-623. PMID: 40994136, DOI: 10.1097/jcp.0000000000002095.Peer-Reviewed Original ResearchConceptsPsychiatric disordersArea of psychiatric researchClinical trialsPosttraumatic stress disorderAlcohol use disorderDepressive disorderStress disorderPsychiatric conditionsUse disorderPsychiatric researchUniversity-affiliated institutionsDisordersPsilocybinCross-sectional analysisInclusion criteriaKetamineTrialsEvolving areaRecruitment statusTargeted diagnosisTrial phaseSubstance classesFutures Found: The 2025 Trainee Letters to the Editor
Havlik J. Futures Found: The 2025 Trainee Letters to the Editor. Academic Medicine 2025, 100: 1365-1365. DOI: 10.1097/acm.0000000000006276.Peer-Reviewed Original ResearchWho Leads Psychiatry? Demographics, Educations, and Scientific Contributions of US Academic Chairs
Havlik J, Radovan C, Isaac S, Wahid S. Who Leads Psychiatry? Demographics, Educations, and Scientific Contributions of US Academic Chairs. Academic Psychiatry 2025, 1-5. PMID: 40681772, DOI: 10.1007/s40596-025-02186-8.Peer-Reviewed Original ResearchHigher education degreeWeb searchEducational trajectoriesScientific contributionsResultsThe median ageEducation degreeEducational backgroundAcademic productivityDepartment chairsMedian ageInternational medical graduatesMedical schoolsPsychiatry departmentEducationGraduatesScientific variablesObjectivesThis studyInfluential leadersPeer-reviewed journalsLeadersMedical graduatesConclusionsThis studyDemographicsMedicaid Costs and Outcomes for Patients Treated in an Outpatient Telepsychiatry Clinic
Havlik J, Ghomi R, An N, Budhiraja P, Arzubi E. Medicaid Costs and Outcomes for Patients Treated in an Outpatient Telepsychiatry Clinic. JAMA Network Open 2025, 8: e258558. PMID: 40323598, PMCID: PMC12053525, DOI: 10.1001/jamanetworkopen.2025.8558.Peer-Reviewed Original ResearchConceptsTelepsychiatry clinicRate of admissionCross-sectional studyMedicaid costsEmergency departmentClinical servicesMedicaid patientsHospitalization ratesTelepsychiatry patientsEvidence of cost savingsReduce hospital admissionsInpatient hospitalization ratesClinic patientsAnnual hospitalization rateOutcomes associated with useTelepsychiatry carePropensity-matched controlsTimely carePsychiatric careMain OutcomesCare costsPMPM costsHospital readmissionInpatient hospitalizationTelepsychiatryTrends in Psychiatrist-Led Care for Medicare Part B Enrollees
Havlik J, Wahid S, Priest K, Ososanya L, Igunbor M, Humphreys K. Trends in Psychiatrist-Led Care for Medicare Part B Enrollees. JAMA Network Open 2025, 8: e2458160. PMID: 39913135, PMCID: PMC11803478, DOI: 10.1001/jamanetworkopen.2024.58160.Peer-Reviewed Original ResearchConceptsMedicare Part B enrolleesMedicare Part BPsychiatric careCenters for Medicare & Medicaid ServicesIncidence of mental illnessProfessional servicesPart BCross-sectional studyDistrict of ColumbiaKaiser Family FoundationMental illnessMedicaid ServicesMain OutcomesOlder adultsPhysical disabilityWorkforce growthVulnerable populationsMedicareTraditional MedicareEquitable accessPrimary outcomeCareStudy populationEnrolleesPsychiatristsCorrelates of Impaired Sleep Duration Among Adults With Trauma Alone and With Posttraumatic Stress Disorder
Havlik J, Rhee T, Rosenheck R. Correlates of Impaired Sleep Duration Among Adults With Trauma Alone and With Posttraumatic Stress Disorder. Psychological Trauma Theory Research Practice And Policy 2025 PMID: 39836166, DOI: 10.1037/tra0001846.Peer-Reviewed Original ResearchImpaired sleep durationStress disorderSleep durationEffect sizePosttraumatic stress disorderClinically meaningful effect sizesNational Epidemiologic SurveyMeaningful effect sizesPsychiatric multimorbidityPTSDTrauma/PTSDImprove treatment outcomesMedical comorbiditySleep disturbanceImpaired sleepBehavioral variablesTreatment outcomesAllostatic loadNationally Representative SampleAdjusted multivariable regressionEpidemiological surveyDisordersBody mass indexRepresentative sampleSleep
2024
National Trends in and Concentration of Industry Payments to U.S. Psychiatrists, 2015–2021
Havlik J, Ososanya L, Tang D, Wahid S, Ross J, Rhee T. National Trends in and Concentration of Industry Payments to U.S. Psychiatrists, 2015–2021. Psychiatric Services 2024, 76: 210-213. PMID: 39439279, DOI: 10.1176/appi.ps.20240218.Peer-Reviewed Original ResearchAssociation of mental health related quality of life and other factors with treatment seeking for substance use disorders: A comparison of SUDs rooted in legal, partially legal, and illegal substances
Havlik J, Rhee T, Rosenheck R. Association of mental health related quality of life and other factors with treatment seeking for substance use disorders: A comparison of SUDs rooted in legal, partially legal, and illegal substances. PLOS ONE 2024, 19: e0302544. PMID: 38683850, PMCID: PMC11057773, DOI: 10.1371/journal.pone.0302544.Peer-Reviewed Original ResearchConceptsIllicit substance use disordersCannabis use disorderSubstance use disordersMental health-related quality of lifeUse disorderTreatment usePast-year CUDRates of treatment usePast-year substance use disorderMental health-related qualityMental health related qualityBehavioral health factorsLegal statusNegative associationNESARC-IIISUD treatment useMultiple regression analysisDisordersHealth-related quality of lifeIllegal substancesHealth Related QualityUnadjusted analysisQuality of lifeAUDDiagnostic factorsAssociation of Malnutrition with Surgical and Hospital Outcomes after Spine Surgery for Spinal Metastases: A National Surgical Quality Improvement Program Study of 1613 Patients
Elsamadicy A, Havlik J, Reeves B, Sherman J, Craft S, Serrato P, Sayeed S, Koo A, Khalid S, Lo S, Shin J, Mendel E, Sciubba D. Association of Malnutrition with Surgical and Hospital Outcomes after Spine Surgery for Spinal Metastases: A National Surgical Quality Improvement Program Study of 1613 Patients. Journal Of Clinical Medicine 2024, 13: 1542. PMID: 38541767, PMCID: PMC10971134, DOI: 10.3390/jcm13061542.Peer-Reviewed Original ResearchNon-routine dischargeLength of stayImpact of malnutritionSpinal metastasesAdverse eventsMalnourished patientsNourished patientsSurgeons National Surgical Quality Improvement Program databaseSurgical treatment of spinal metastasesNational Surgical Quality Improvement Program databaseTreatment of spinal metastasesNational Surgical Quality Improvement Program studyQuality Improvement Program databaseRisk of postoperative complicationsMultivariate logistic regression analysisMetastatic spinal diseaseHospital length of stayProlonged length of stayAssociation of malnutritionRetrospective cohort studyPostoperative adverse eventsHealthcare resource utilizationAssessed patient demographicsExtradural spinal metastasisBaseline comorbidity burdenThe Top 50 Articles and Authors of the New Millennium in Psychiatry: A Bibliometric Analysis
Havlik J, Uranga S, Lee M, Magallanes S, Wahid S, Rhee T. The Top 50 Articles and Authors of the New Millennium in Psychiatry: A Bibliometric Analysis. Cureus 2024, 16: e54762. PMID: 38523957, PMCID: PMC10961096, DOI: 10.7759/cureus.54762.Peer-Reviewed Original Research
News
News
- May 21, 2024
Celebrating the Yale MD Class of 2024
- May 20, 2024
Recognizing Outstanding Teaching at Yale School of Medicine
- May 03, 2024Source: PLOS ONE
Association of Mental Health Related Quality of Life and Other Factors with Treatment Seeking for Substance Use Disorders: A Comparison of SUDs Rooted in Legal, Partially Legal, and Illegal Substances
- February 28, 2024
Havlik, Rhee Publish in BMJ Open and Current Psychiatry Reports