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Office
707 S.W. Gaines Rd.
CDRC-P
Portland, OR 97239Phone+1 503-346-0640
Summary
- I am an Assistant Professor of Pediatric Infectious Diseases & Medical Informatics and Clinical Epidemiology. I received my MD and PhD degrees from UC San Diego. My main research interest is in the application of Machine Learning and other advanced Bioinformatics tools to predictive modeling and causal inference in clinical data. My vision is to pursue an active practice in Pediatric ID and extend my research to harness the rich data sources that exist in healthcare to improve the delivery of care to children.
Education & Training
UPMC Medical EducationFellowship, Pediatric Infectious Diseases, 2017 - 2020- UPMC Medical EducationResidency, Pediatrics, 2013 - 2020
- UPMC Medical EducationChief Residency, Pediatrics, 2016 - 2017
University of California San Diego School of MedicineClass of 2013, MD, PhD
Certifications & Licensure
OR State Medical License 2020 - 2025
PA State Medical License 2013 - 2021
American Board of Pediatrics Pediatrics- American Board of Pediatrics Pediatric Infectious Diseases
Publications & Presentations
PubMed
- Machine learning for adverse event prediction in outpatient parenteral antimicrobial therapy: a scoping review.Douglas W Challener, Madiha Fida, Peter Martin, Christina G Rivera, Abinash Virk
The Journal of Antimicrobial Chemotherapy. 2024-12-02 - 1 citationsDisseminated fungal disease caused by Magnusiomyces clavatus in a pediatric cancer patient: Case report and review of the literature.Paul G Mitchell, Bill H Chang, Lorne W Walker
Pediatric Blood & Cancer. 2023-07-01 - 4 citationsOutcomes in Pediatric Central Line-associated Bloodstream Infections Treated With Antimicrobial Locks: A 14-Year Retrospective Analysis.Lorne W Walker, Shyam Visweswaran, Andrew J Nowalk
The Pediatric Infectious Disease Journal. 2023-06-01
Journal Articles
- Increase in Invasive Group A Streptococcal Disease and Emergence of Mucoid Strains in a Pediatric Population: February-June 2017.Walker LW, Montoya L, Chochua S, Beall B, Green M, Open Forum Infectious Diseases.
- Serious bacterial infections in neonates presenting afebrile with history of fever.Ramgopal S, Walker LW, Nowalk AJ, Cruz AT, Vitale MA., Pediatrics
Professional Memberships
- Pediatric Infectious Diseases SocietyMember
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