Laurel J. Glaser, MD, PhD
Pathology and Laboratory Medicine
Sees patients age 18 and up
Penn Pathology and Laboratory Medicine HUP
Headshot of Laurel J. Glaser, MD, PhD
Penn Medicine Provider

About me

  • Associate Professor of Clinical Pathology and Laboratory Medicine

Education and training

  • Medical School: Mount Sinai Medical Center
  • Residency: University of Pennsylvania Health System
  • Fellowship: University of Pennsylvania Health System

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Glaser is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Loabile B, Lautenbach E, Mannathoko N, Mosepele M, Styczynski A, Smith RM, Cressman L, Jaskowiak-Barr A, Bilker WB, Alby K, Glaser L, Richard-Greenblatt M, Cowden L, Sewawa K, Otukile D, Paganotti GM, Mokomane M, Gross R. Risk Factors for Community Colonization With Extended-Spectrum Cephalosporin-Resistant Enterobacterales Among People Living With HIV in Botswana. , Open Forum Infect Dis., 13(2): 2026


Zaydman MA, Glaser L, Herman DS, Kressloff M, Azimi V, Lockowitz CR, Dumm RE. Leveraging patient data to detect systematic shifts in daptomycin susceptibility testing associated with reduced prescribing. , J Clin Microbiol. : 2026


Mendoza LM, Anderson EM, Leonard AS, McFarland AG, Ort JT, Tanenbaum N, Durosinmi A, Bushman FD, Glaser LJ, Nachamkin I, Hensley SE Antigenic Characterization of H1N1 Influenza Viruses That Circulated During the 2019-2020 Season in Philadelphia, Pennsylvania. Influenza , Influenza Other Respir Viruses: 2025


Ziegler MJ, Loughrey S, Bekele S, Huang E, Tolomeo P, David MZ, Lautenbach E, Glaser LJ, Kelly BJ. Comparative performance of sponge versus flocked swabs for culture-based and metagenomic detection of microbial contamination in the healthcare environment , Infect Control Hosp Epidemiol: 2025


Shivji S, Mannathoko N, Mosepele M, Gross R, Cressman L, Jaskowiak-Barr A, Bilker WB, Alby K, Glaser L, Richard-Greenblatt M, Cowden L, Patel A, Sewawa K, Otukile D, Paganotti GM, Mokomane M, Snitkin E, Lautenbach E. Risk factors for household colonization by extended-spectrum cephalosporin-resistant enterobacterales (ESCrE) in Botswana. Antimicrob Resist Infect Control , Antimicrob Resist Infect Control: 2025


Ziegler MJ, Anesi J, Tolomeo P, Glaser L, Cowden L, Cressman L, Huang E, Patel A, Lautenbach E, Pegues DA, Kelly BJ. Screening and targeted prophylaxis for Clostridioides difficile infection. , Clin Microbiol Infect., 31(11): 2025


Ladines-Lim JB, Yang WT, Tebas P, O'Donnell J, Koenig H, Kreider E, Dyer K, Anwar M, Rodriguez E, Patel S, Rodino K, Glaser L, Richterman A Delayed diagnosis of disseminated Mycobacterium intracellulare subsp. chimaera infective endocarditis via cell-free metagenomic next-generation sequencing: a case report. , ASM Case Rep. , 1(5): 2025


Alexander, SA, Boulanger, EF, McAulay, K, Cowden, L, Glaser, LJ and Rodino, RG Evaluating Inducible Macrolide Resistance in M. chelonae Clinical Isolates , Microbe, Los Angelas, CA: 2024


Fabre V, Cosgrove SE, Milstone AM, Salinas AB, Degnan KO, Gettler EB, Glaser LJ, Johnson JK, Moehring RW, Nelson GE, Rittmann B, Rodriguez-Nava G, Ryder JH, Salinas JL, Schrank GM, Talbot TT, Van Schooneveld TC, Wasylyshyn A, Xie A Mixed-methods multicenter assessment of healthcare workers' knowledge, perceptions, and practices related to blood culture utilization in hospitalized adults. , Infect Control Hosp Epidemiol.: 2024


Comar CE, Dumm, RE, Hendricks KI, Glaser, LJ and Rodino, KR. Evaluation of a Novel Sample Preparation Workflow for Rapid Identification and Susceptibility Testing of Gram-Negative Bacilli Directly from Blood Cultures , Microbe, Houston Texas: 2023