John Havlik, MD, MBA
About
Research
Publications
2026
Engines of Progress: A Quantitative Characterization of Research Track Residencies in Psychiatry
Havlik J, Tran N, Chen A, Hidalgo K, Wang C. Engines of Progress: A Quantitative Characterization of Research Track Residencies in Psychiatry. Academic Psychiatry 2026, 1-7. PMID: 41652147, DOI: 10.1007/s40596-026-02305-z.Peer-Reviewed Original ResearchCosts and Outcomes in Telemedicine—Can “House Calls” Make Sense and Cents?
Havlik J, Humphreys K. Costs and Outcomes in Telemedicine—Can “House Calls” Make Sense and Cents? JAMA Network Open 2026, 9: e2556111. PMID: 41661600, DOI: 10.1001/jamanetworkopen.2025.56111.Peer-Reviewed Original ResearchInnovation in Psychiatric Drug Development: A Quantitative Analysis of FDA-Approved Psychiatric Drugs, 2012-2024.
Havlik J, Isaac S, Radovan C, Ostacher M, Smith D, Rhee T. Innovation in Psychiatric Drug Development: A Quantitative Analysis of FDA-Approved Psychiatric Drugs, 2012-2024. The Journal Of Clinical Psychiatry 2026, 87 PMID: 41532845, DOI: 10.4088/jcp.25m16063.Peer-Reviewed Original ResearchConceptsPsychiatric drug developmentFirst-in-classWHO Model ListDrug developmentPsychiatric drugsPriority review statusMethod:Global burdenModel List of Essential MedicinesClinical usefulness rateGlobal burden of mental illnessClinical impactOrphan drug designationBurden of mental illnessProportion of drugsPrimary outcomeWHO Model List of Essential MedicinesTherapeutic approachesTherapeutic benefitPsychiatric indicationsDrug AdministrationClinical utilityObservational studySecondary measuresDrugResearch Support for U.S. Psychiatrists From Pharmaceutical and Medical Device Companies, 2015–2022
Havlik J, Wahid S, Hidalgo K, Isaac S. Research Support for U.S. Psychiatrists From Pharmaceutical and Medical Device Companies, 2015–2022. Psychiatric Services 2026, 77: 182-185. PMID: 41508310, DOI: 10.1176/appi.ps.20250210.Peer-Reviewed Original Research
2025
Are observation codes underused for emergency psychiatric patients with an extended length of stay? A retrospective commercial claims analysis from 2016 to 2022
Priest K, Havlik J, Wilson M, Jo B, Humphreys K. Are observation codes underused for emergency psychiatric patients with an extended length of stay? A retrospective commercial claims analysis from 2016 to 2022. General Hospital Psychiatry 2025, 97: 209-217. PMID: 41176923, PMCID: PMC12829922, DOI: 10.1016/j.genhosppsych.2025.10.015.Peer-Reviewed Original ResearchConceptsPsychiatric patientsEmergency psychiatric patientsNon-psychiatric patientsLength of stayEffect size estimatesObservational codingPsychiatric encountersLength of stay 3Length of stay 4ED claimsEmergency departmentBilling codesClaimsLonger length of stayLength of stay categoryED length of stayPatient ageLength of stay 1Patient groupPrimary outcomeCharacteristics 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, 50: 59-63. 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 populationEnrolleesPsychiatrists
Academic Achievements & Community Involvement
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