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JoAnna K Leyenaar, MD, MPH, PhD

Professor of Pediatrics
Professor of The Dartmouth Institute

Additional Titles/Positions/Affiliations
Vice Chair of Research, Department of Pediatrics

The Dartmouth Institute


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Contact Information

Professional Interests

Healthcare quality for hospitalized children
Urban-rural disparities in pediatric healthcare quality
Healthcare delivery for pediatric mental health conditions
Hospital-to-home transitional care

Grant Information

Comparative Effectiveness of Direct Admission & Admission through Emergency Departments for Children (PCORI)

Urban-Rural Disparities in Children with Chronic Illness (NIH - NIMHD)


A pediatrician and health services researcher, Dr. JoAnna Leyenaar's work is focused on improving the quality of healthcare provided to children, particularly those who are vulnerable and underserved. In her clinical role, Dr. Leyenaar works as a pediatric hospitalist and Vice Chair of Research for the Department of Pediatrics at Dartmouth-Hitchcock Medical Center. Dr. Leyenaar's main areas of research interest include: care coordination for children with chronic illnesses, urban-rural disparities in healthcare quality, hospital-to-home transitions, integration of mental and behavioral healthcare in pediatrics, and care of opioid-exposed infants. She is currently receiving funding from the Patient Centered Outcomes Research Institute to evaluate the safety and effectiveness of direct admission to hospital as an alternative to admission through emergency departments. In addition, she is funded by the National Institute on Minority Health and Health Disparities to examine urban-rural disparities in healthcare access and outcomes for children with medical complexity. Dr. Leyenaar received her MD from McMaster University (Canada), her MPH from Harvard University, and her PhD from Tufts University.

Selected Publications


Reverse triage and the pediatric mental health boarding crisis.
Leyenaar JK
J Hosp Med. 2023 Nov 27; doi: 10.1002/jhm.13244. Epub 2023 Nov 27.
PMID: 38010297

Pediatric Hospitalization Trends at Children's and General Hospitals, 2000-2019.
Steiner MJ, Hall M, Sutton AG, Stephens JR, Leyenaar JK, Chase L, McDaniel CE
JAMA. 2023 Nov 21;330(19):1906-1908. doi: 10.1001/jama.2023.19268.
PMID: 37902774

Epidemiology of pediatric hospitalizations at general hospitals and freestanding children's hospitals in the United States: 2019 update.
Freyleue SD, Arakelyan M, Leyenaar JK
J Hosp Med. 2023 Oct;18(10):908-917. doi: 10.1002/jhm.13194. Epub 2023 Sep 3.
PMID: 37661338

Pediatric Hospitalizations at Rural and Urban Teaching and Nonteaching Hospitals in the US, 2009-2019.
Leyenaar JK, Freyleue SD, Arakelyan M, Goodman DC, O'Malley AJ
JAMA Netw Open. 2023 Sep 5;6(9):e2331807. doi: 10.1001/jamanetworkopen.2023.31807. Epub 2023 Sep 5.
PMID: 37656457

Development of the Pediatric Hospitalization Admission Survey of Experience (PHASE) Measure.
McDaniel CE, Lowry SJ, Ziniel SI, Freyleue S, Acquilano SC, Leyenaar JK
Pediatrics. 2023 Sep 1;152(3) pii: e2023061522. doi: 10.1542/peds.2023-061522.
PMID: 37584105

Pediatric Mental Health Hospitalizations at US Acute Care Hospitals-Reply.
Arakelyan M, McLaren JL, Leyenaar JK
JAMA. 2023 Aug 1;330(5):474-475. doi: 10.1001/jama.2023.9574.
PMID: 37526721

Association Between Educational Resources and Pediatric Fellows' Mental Health Attitudes and Self-Reported Competence.
Green C, Leyenaar JK, Leslie LK
Acad Pediatr. 2023 Nov-Dec;23(8):1628-1635. doi: 10.1016/j.acap.2023.07.013. Epub 2023 Jul 29.
PMID: 37524164

Specialties Providing Ambulatory Care and Associated Health Care Utilization and Quality for Children With Medical Complexity.
Austin AM, Schaefer AP, Arakelyan M, Freyleue SD, Goodman DC, Leyenaar JK
Acad Pediatr. 2023 Nov-Dec;23(8):1542-1552. doi: 10.1016/j.acap.2023.07.002. Epub 2023 Jul 17.
PMID: 37468062

Practical thematic analysis: a guide for multidisciplinary health services research teams engaging in qualitative analysis.
Saunders CH, Sierpe A, von Plessen C, Kennedy AM, Leviton LC, Bernstein SL, Goldwag J, King JR, Marx CM, Pogue JA, Saunders RK, Van Citters A, Yen RW, Elwyn G, Leyenaar JK, Coproduction Laboratory
BMJ. 2023 Jun 8;381:e074256. doi: 10.1136/bmj-2022-074256. Epub 2023 Jun 8.
PMID: 37290778

Characterization of Birth Hospitalizations in the United States.
Ding L, Rodean J, Leyenaar JK, Coon ER, Mahant S, Gill PJ, Cabana MD, Kaiser SV
Hosp Pediatr. 2023 May 1;13(5):426-439. doi: 10.1542/hpeds.2022-006931.
PMID: 37013702

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