Levon H. Utidjian, MD, MBI
Assistant Professor of Pediatrics (General Pediatrics) at the Children's Hospital of Philadelphia
Inpatient Attending Physician, Children's Hospital of Philadelphia
Associate Medical Director, Analytics, Children's Hospital of Philadelphia
Department: Pediatrics
Contact information
Children’s Hospital of Philadelphia
Roberts Center for Pediatric Research
Applied Clinical Research Center, 11th Floor, 11362
2716 South Street
Philadelphia, PA 19146-2305
Roberts Center for Pediatric Research
Applied Clinical Research Center, 11th Floor, 11362
2716 South Street
Philadelphia, PA 19146-2305
Office: 267-425-1513
Email:
utidjianl@chop.edu
utidjianl@chop.edu
Publications
Education:
BS (Chemistry)
Stanford University, 2003.
MD (Medicine)
New York University School of Medicine, 2008.
MBI (Biomedical Informatics)
Oregon Health & Science University, 2015.
Permanent linkBS (Chemistry)
Stanford University, 2003.
MD (Medicine)
New York University School of Medicine, 2008.
MBI (Biomedical Informatics)
Oregon Health & Science University, 2015.
Description of Clinical Expertise
Pediatric Hospital MedicinePediatric Urgent Care Medicine
Description of Other Expertise
EpicCare Inpatient Clarity Data Model CertifiedEpicCare Physician Builder Certified
Description of Research Expertise
Clinical Database SystemsClinical Decision Support
Data Science
Electronic Health Records
Selected Publications
Liese AD, Dixon BE, Crume T, Divers J, Guo Y, Hirsch AG, Reynolds K, Utidjian L, Zaganjor I, Rosenman M; DiCAYA Study Group: Public Health Monitoring of Diabetes in the Era of Electronic Health Records: Insights from the Diabetes in Children, Adolescents and Young Adults (DiCAYA) Network. Annals of Epidemiology 115: 45-49, March 2026.Weiss PF, Utidjian L, Maltenfort M, Razzaghi H, Brandon TG, Muir C, Sears C, Oberle EJ, Cooper J, Baszis K, Toth MB, Morgan EM, Forrest CB: Leveraging the PEDSnet clinical research network and electronic health record data to enhance efficiency of trial enrollment for a rare pediatric rheumatic disease. Pediatric Rheumatology January 2026.
Conderino S, Kirchner HL, Thorpe LE, Divers J, Hirsch AG, Nordberg CM, Schwartz BS, Zhang L, Cai B, Rudisill C, Obeid JS, Liese A, Allen KS, Dixon BE, Crume T, Dabelea D, Burgett S, Bellatorre A, Shao H, Bian J, Guo Y, Bost S, Lyu T, Reynolds K, Mefford MT, Zhou H, Zhou M, Lustigova E, Utidjian LH, Maltenfort M, Kamboj M, Mendonca EA, Hanley P, Zaganjor I, Pavkov ME, Rosenman M, Titus AR: Multi-site analysis of COVID-19 and new-onset diabetes reveals need for improved sensitivity of EHR-based COVID-19 phenotypes-a DiCAYA network analysis. Journal of the American Medical Informatics Association December 2025.
Chiotos K, Dutcher L, Grundmeier RW, Szymczak JE, Lautenbach E, Neuhauser MM, Hicks LA, Hamilton KW, Li Y, Muller BM, Meyahnwi D, Congdon M, Kane E, Hart J, Utidjian L, Cressman L, Jaskowiak-Barr A, Gerber JS: Off-target impact of clinician feedback reports on antibiotic use in children with medical complexity hospitalized with community-acquired pneumonia. J Pediatric Infect Dis Soc 14(10): piaf089, October 2025.
Bunnell HT, Reedy C, Lorman V, Jhaveri R, Rivera-Sepulveda A, Salamon KS, Patel PB, Morse KE, Davenport MA, Cowell LG, Utidjian L, Christakis DA, Rao S, Sills MR, Case A, Mendonca EA, Taylor BW, Rutter J, Martinez AT, Letts R, Bailey LC, Forrest CB: A natural language processing pipeline for identifying pediatric long COVID symptoms and functional impacts in freeform clinical notes: a RECOVER study. JAMIA Open 8(5): ooaf089, September 2025.
Lu Y, Tong J, Zhang D, Chen J, Li L, Lei Y, Zhou T, Aragon LV, Becich MJ, Blecker S, Blum NJ, Christakis DA, Hornig M, Hornig-Rohan MM, Jhaveri R, Jones WS, Keebler AB, Kelleher K, Kim S, Mosa ABS, Pajer K, Platt J, Schwenk HT, Taylor BW, Utidjian LH, Williams DA, Prasad R, Elia J, Forrest C, Chen Y: Risk of Neuropsychiatric and Related Conditions Associated with SARS-CoV-2 Infection: A Difference-in-Differences Analysis. Nature Communications 16(1): 6829, July 2025.
Lorman V, Bailey LC, Song X, Rao S, Hornig M, Utidjian L, Razzaghi H, Mejias A, Leikauf JE, Brill SB, Allen A, Bunnell HT, Reedy C, Mosa ASM, Horne BD, Geary CR, Chuang CH, Williams DA, Christakis DA, Chrischilles EA, Mendonca EA, Cowell LG, McCorkell L, Liu M, Cummins MR, Jhaveri R, Blecker S, Forrest CB: Pediatric Long COVID Subphenotypes: An EHR-based study from the RECOVER program. PLOS Digital Health 4(4): e0000747, April 2025.
Abel D, Anderson D, Kallan MJ, Utidjian L, Burnham JM, Chang JC, Kenyon CC, Gmuca S: Assessing Methotrexate Adherence in Juvenile Idiopathic Arthritis Using Electronic Health Record-Linked Pharmacy Dispensing Data. Arthritis Care & Research 77(3): 300-308, March 2025.
Chiotos K, Dutcher L, Grundmeier RW, Meyahnwi D, Lautenbach E, Neuhauser MM, Hicks LA, Hamilton KW, Li Y, Szymczak JE, Muller BM, Congdon M, Kane E, Hart J, Utidjian L, Cressman L, Jaskowiak-Barr A, Gerber JS: Impact of clinician feedback reports on antibiotic use in children hospitalized with community-acquired pneumonia. Clinical Infectious Diseases 80(2): 263-270, February 2025.
Li P, Spector E, Alkhuzam K, Patel R, Donahoo WT, Bost S, Lyu T, Wu Y, Hogan W, Prosperi M, Dixon BE, Dabelea D, Utidjian LH, Crume TL, Thorpe L, Liese AD, Schatz DA, Atkinson MA, Haller MJ, Shenkman EA, Guo Y, Bian J, Shao H: Developing an automated algorithm for identification of children and adolescents with diabetes using electronic health records from the OneFlorida+ clinical research network. Diabetes, Obesity and Metabolism 27(1): 102-110, January 2025.