Mary L.
O'Connor Leppert

Dr. Mary Leppert.
Physician, Division of Neurology and Developmental Medicine
Phone: 443-923-3240
Kennedy Krieger Institute

801 N. Broadway
Baltimore, MD 21205
United States

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Dr. Mary L. O'Connor Leppert, MD, BCh, is a neurodevelopmental pediatrician in the Department of Neurology and Developmental Medicine at Kennedy Krieger Institute.  Dr. Leppert is also the Division Director of Developmental Pediatrics in the Department of Pediatrics at Johns Hopkins University School of Medicine.  Dr. Leppert's focus is on the education on neurodevelopmental disorders. She is the founder and director of the Teaching Excellence in Neuro Development (TEND) program, the director of Kennedy Krieger Project ECHO and is the chief editor of the Kennedy Krieger Instruction in Neurodevelopmental Disorders (KIND) curriculum.  In addition, Dr. Leppert is an associate professor of pediatrics at the Johns Hopkins University School of Medicine.


Dr. Leppert received her undergraduate degree in biology from the Catholic University of America in Washington, DC. She received her medical training at the national Universities of Ireland, University College Cork, where she earned her MB, BCh, BAO degrees. She completed a residency in pediatrics at St. Agnes Hospital in Baltimore MD, and joined Kennedy Krieger in 1992 with a fellowship in developmental pediatrics through the Johns Hopkins University School of Medicine. She has been an active medical staff member at Kennedy Krieger Institute since 1995 in the division of Neurology and Developmental Medicine. Dr. Leppert has an active role in the education of the residents and fellows of the Neurodevelopmental Disabilities Residency Program.


Dr. Leppert’s interests include the evaluation of teaching strategies and the early identification of developmental disorders, the understanding of the cause of developmental disorders, and the education of trainees on early identification of developmental disorders and associated deficits. Dr. Leppert’s educational focus surrounds curriculum development and dissemination of training on early identification and co-occurring disorders in early childhood.    

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Research Publications

McCurdy M, Bellows A, Deng D, Leppert M, Mahone E, Pritchard A (2015). Test-retest reliability of the Capute scales for neurodevelopmental screening of a high risk sample: Impact of test-retest interval and degree of neonatal risk. J Neonatal Perinatal Med. 8(3), 233-41.