Laurel J. Glaser, MD, PhD, D(ABMM)

Associate Professor of Clinical Pathology and Laboratory Medicine
Perelman School of Medicine at the University of Pennsylvania 

Director, Clinical Microbiology Laboratory
Co-Director, HUP/CHOP Fellowship in Clinical Microbiology
Associate Program Director for Clinical Pathology, HUP Pathology Residency Program

Contact InformationHospital of the University of Pennsylvania
4 Gates Building
3400 Spruce Street
Philadelphia, PA 19104
Tel: 215-662-3457

Specialty Division

Laboratory Medicine


ScB (Biochemistry), Brown University, 1998
MD PhD (Microbiology), Mount Sinai School of Medicine , 2009

Specialty Certification

American Board of Pathology (Anatomic and Clinical Pathology), 2014
American Board of Medical Microbiology, 2016
Certificate Program in Healthcare Quality Improvement and Patient Safety, Perelman School of Medicine, 2020

Postgraduate Training

Anatomic and Clinical Pathology Resident, Hospital of the University of Pennsylvania, University of Pennsylvania, 2009-2013
Fellow, Medical & Public Health Microbiology, CPEP (American Academy of Microbiology) Accredited Program, University of Pennsylvania, 2013-2015

Awards and Honors

Alpha Omega Alpha Honor Medical Society, 2008
William Pepper Fellowship Award in Recognition of Service to Clinical Pathology, 2011-2012
Kevin Salhany Award for Excellence in Clinical Teaching, 2017
Chairman's Award for Distinguished Citizenship and Extraordinary Service to the Department of Pathology and Laboratory Medicine at Penn Medicine, 2021
Kevin Salhany Award for Excellence in Clinical Teaching, 2022
Penn Cares Commitment to Excellence Award, 2022

Memberships and Professional Organizations

College of American Pathologists, 2009-present
American Society for Microbiology, 2013-present
American Society for Clinical Pathology, 2015-present

Web Links

Selected Publications

Evaluation of a Novel Sample Preparation Workflow for Rapid Identification and Susceptibility Testing of Gram-Negative Bacilli Directly from Blood Cultures

Comar CE, Dumm, RE, Hendricks KI, Glaser, LJ and Rodino, KR., Microbe, Houston Texas, 2023

Macrolide and Lincosamide Susceptibility Profiles and Use of Clindamycin for iGAS in One Hospital in Philadelphia

Loeven N, Dyer K, Halpern-Cohen V, Comar C, Meisner J, and Glaser, L, Microbe, Houston Texas, 2023

Use of Broth Enrichment to Enhance Sensitivity of Rectal Swab Screening for C.difficile

Cowden LL, Mcaulay, K, Tolemo P, Ziegler M, Anesi JA, Lautenbach E, and Glaser, L., Microbe, Houston Texas, 2023

Culturing the Dead: A Multi-institutional Investigation into the Utility of Post-Mortem Cultures and Supporting Histological Evidence of Infection

Attaway C, Tushir A, Nobee A, Jabbar M, and Glaser L., USCAP Annual Meeting, 2023

Distinct community structures of the fungal microbiome and respiratory health in adults with cystic fibrosis

Hong G, Daniel SG, Lee JJ, Bittinger K, Glaser L, Mattei LM, Dorgan DJ, Hadjiliadis D, Kawut SM, Collman RG., J Cyst Fibrosis, 2023

Clostridioides difficile dynamic electronic order panel, an effective automated intervention to reduce inappropriate inpatient ordering

Ziegler MJ, Flores EJ, Epps M, Hopkins K, Glaser L, Mull NK, Pegues DA., Infect Control Hosp Epidemiol, 2023

The Clinical Association between Aspergillus fumigatus and Respiratory Outcomes in Adolescents and Adults with Cystic Fibrosis

O'Dea AL, Feng R, Glaser LJ, Kubrak C, Rubenstein RC, Dorgan DJ, Hadjiliadis D, Kawut SM, Hong G., Ann Am Thorac Soc, 2023

Retrospective Review of GenExpert MTB/RIF Assay Utilization to Diagnose Tuberculosis at a Tertiary Care Medical

Dumm R, McAulay K, Glaser L, and Rodino KG, Microbe, Washington, D.C., 2022

Retrospective Review of Rapid Molecular Detection of Mycobacterium tuberculosis and Rifampin Resistance

McAulay K, Rodino KG, and Glaser L, Microbe, Washington, D.C., 2022

Evaluation and Verification of the Sensititre MDRGN2F Panel

Cowden L, Andreacchio K, Rodino KG, Glaser L, Microbe, Washington, D.C., 2022