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Secondary Specialty:

Pediatric Infectious Disease

Board Certifications:

  • Infectious Disease
  • Pediatrics
  • Pediatric Infectious Diseases


MD, University of Pittsburgh School of Medicine Pittsburgh, PA, USA PhD


University of Pittsburgh Medical School
Pittsburgh, PA


University of Pittsburgh Medical School
Pittsburgh, PA


Magee-Womens Hospital of UPMC
Children's Hospital of Pittsburgh of UPMC

Andrew J. Nowalk, MD, PhD


Assistant Professor of Pediatrics, Children's Hospital of Pittsburgh of UPMC and University of Pittsburgh School of Medicine

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Research Interests

  • Clinical epidemiology of the Lyme disease epidemic in western Pennsylvania and nationally
  • Host pathogen interactions of Borrelia burgdorferi in animals models of Lyme arthritis
  • Modeling of pediatric infectious diseases using NLP (natural language processing) and datawarehouse methodology
  • Multidrug resistant organisms in pediatric patients: molecular microbiology and clinical management

View Dr. Nowalk's full list of publications from PubMed.

Biography Summary

Dr. Andrew Nowalk is an Assistant Professor in the Division of Infectious Diseases in the Department of Pediatrics, both at Children's Hospital of Pittsburgh of UPMC and at the University of Pittsburgh School of Medicine. After completing his undergraduate degree at Georgetown University, he entered the University of Pittsburgh School of Medicine MD/PhD program in 1990. He completed his PhD in 1997 and his MD in 1999, and chose to do his pediatric residency here at Children's Hospital of Pittsburgh. He completed residency, chief residency, and an infectious disease fellowship at Children's in 2005, joining the faculty of the School of Medicine. He continues to maintain clinical practice and an active research program in Lyme disease immunology and pathogenesis, beginning with K08 and ARRA funding and continuing now in collaborative efforts with multiple sites in western Pennsylvania. His program has extended to examination of clinical parameters of the Lyme disease epidemic in western Pennsylvania and nationally in studies of pediatric Lyme disease cases. Additionally, he continues to provide expertise in the study of multidrug resistant organisms (MDRO) in pediatric and adult populations, as a co-investigator with Dr. Yohei Doi in Adult Infectious Diseases division on MDR Acinetobacter infections. This work is supplemented by ongoing involvement in studies of MDR gram-negative infections in the pediatric population. He continues to participate in work on modeling of infectious diseases, most recently as a consultant to a Probabilistic Disease Surveillance study centered in the Department of Biomedical Informatics.

In addition to his research interests, Dr. Nowalk serves as a key faculty for education efforts in the University of Pittsburgh School of Medicine and the UPMC Graduate Medical Education program. Since 2013, he has served as an Advisory Dean at the School of Medicine, mentoring more than 100 students in all years of training. He was appointed Program Director for the Pediatric Residency Program at Children's Hospital of Pittsburgh of UPMC in 2014, and continues to share leadership with Dr. Stephanie Dewar. Among his educational efforts has been development of the Residency Program Strategic Planning and the Research Oriented Activities for Residents (ROAR) program in 2015. Dr. Nowalk has received multiple teaching awards, including the 2002 Londino Senior Resident Teaching Award, the 2004 First Year Fellow Teaching Award, the 2009 and 2014 William I. Cohen Teacher of the Year Award, and Excellence in Education Awards from the School of Medicine in 2010 and 2012 for his lectures and small group work in first year courses. He participates in courses and electives throughout all years of the medical school curriculum, as well as teaching residents and fellows in the Department of Pediatrics.

As a clinical specialist in Pediatric Infectious Diseases, Dr. Nowalk provides care for inpatients and outpatients with a wide variety of infectious disease issues. His areas of interest include diagnosis and care of pediatric Lyme disease cases, patients with multidrug resistant infections, and immunocompromised hosts, including solid organ transplant recipients both prior to and following transplantation.

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