MaryCMcEllistremMD

Infectious Disease • Pittsburgh, PA

Infectious Disease Specialist, Veterans Affairs Pittsburgh Healthcare System

Join to view full profile

Dr. McEllistrem is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Connect with other colleagues in the same hospital or clinic
Search all U.S. specialist profiles and refer a patient
Read the latest clinical news and earn CME/CEU credits

See Dr. McEllistrem's full profile

Already have an account?

Office
Veterans Affairs Pittsburgh Healthcare System
University Drive C
Pittsburgh, PA 15240
Is this information wrong?

Education & Training

UPMC Medical EducationFellowship, Infectious Disease, 1996 - 1999
University of Texas Southwestern Medical CenterResidency, Internal Medicine, 1993 - 1996
Vanderbilt University School of MedicineClass of 1993

Certifications & Licensure

PA State Medical License 1996 - 2024
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Infectious Disease

Publications & Presentations

PubMed

Detection of Vancomycin-ResistantEndocarditis After Clearance of Vancomycin-SensitiveBacteremia.
Mary Catherine McEllistrem, Hayley R Nordstrom, Aaron Lucas, Brooke K Decker, Daria Van Tyne> ;Microbial Drug Resistance. 2022 Mar 1
3 citations
Introduction of the BNT162b2 vaccine during a COVID-19 nursing home outbreak.
M. Catherine McEllistrem, Cornelius J. Clancy, Deanna J. Buehrle, Aaron Lucas, Jennifer Pruskowski, Steven M. Handler, Brooke K. Decker> ;American Journal of Infection Control. 2021 Oct 1
28 citations
Single Dose of an mRNA Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-Cov-2) Vaccine Is Associated With Lower Nasopharyngeal Viral Load Among Nursing Home Resid...
M. Catherine McEllistrem, Cornelius J. Clancy, Deanna J. Buehrle, Aaron Lucas, Brooke K. Decker> ;Clinical Infectious Diseases. 2021 Sep 15
19 citations
SARS-CoV-2 is associated with high viral loads in asymptomatic and recently symptomatic healthcare workers.
M. Catherine McEllistrem, Cornelius J. Clancy, Deanna J. Buehrle, Nina Singh, Aaron Lucas, Valerie Sirianni, Brooke K. Decker> ;Plos One. 2021 Mar 18
44 citations
Antibiotic Consumption and Stewardship at a Hospital outside of an Early Coronavirus Disease 2019 Epicenter.
Deanna J. Buehrle, Brooke K. Decker, Marilyn M. Wagener, Amesh A. Adalja, Nina Singh, Mary C. McEllistrem, M. Hong Nguyen, Cornelius J. Clancy> ;Antimicrobial Agents and Chemotherapy. 2020 Oct 20
High Frequency of Nonadherence to Clostridium difficile Treatment Guidelines.
McEllistrem, M. C.,McGraw, M.,Sahud, A. G.,Chan-Tompkins, N. H.,Goswami, R.,Bhanot, N.> ;South. Med. J.. 2014 Sep 05
23 citations
Novel pneumococcal serotypes 6C and 6D: anomaly or harbinger.
M. Catherine McEllistrem, Moon H. Nahm> ;Clinical Infectious Diseases. 2012 Nov 15
9 citations
Genetic diversity of the pneumococcal capsule: implications for molecular-based serotyping.
Mary Catherine McEllistrem> ;Future Microbiology. 2009 Sep 1
60 citations
Alternative strategies for adult pneumococcal polysaccharide vaccination: a cost-effectiveness analysis.
Kenneth J. Smith, Richard K. Zimmerman, Chyongchiou J. Lin, Mary Patricia Nowalk, Feng-Shou Ko, M. Catherine McEllistrem, Mark S. Roberts> ;Vaccine. 2008 Mar 10
30 citations
Characterization of In Vitro Biofilm-Associated Pneumococcal Phase Variants of a Clinically Relevant Serotype 3 Clone
M. Catherine McEllistrem, Jennifer V. Ransford, Saleem A. Khan> ;Journal of Clinical Microbiology. 2007 Jan 1
10 citations
Novel penicillin-, cephalosporin-, and macrolide-resistant clones of Streptococcus pneumoniae serotypes 23F and 19F in Taiwan which differ from international epidemic ...
Christine C. Chiou, Mary Catherine McEllistrem> ;Journal of Clinical Microbiology. 2001 Mar 1
69 citations
Simplified Protocol for Pulsed-Field Gel Electrophoresis Analysis of Streptococcus pneumoniae
Mary Catherine McEllistrem, Janet E. Stout, Lee H. Harrison> ;Journal of Clinical Microbiology. 2000 Jan 1
Marked increase in biofilm-derived rough pneumococcal variants and rifampin-resistant strains not due to hex gene mutations.
M. Catherine McEllistrem, Jennifer R. Scott, Jacobo Zuniga-Castillo, Saleem A. Khan> ;Microbial Drug Resistance. 2009 Jun 4
163 citations
Pre- and Postvaccination Clonal Compositions of Invasive Pneumococcal Serotypes for Isolates Collected in the United States in 1999, 2001, and 2002
Bernard Beall, M. Catherine McEllistrem, Robert E. Gertz, Stephanie D. Wedel, David Boxrud, Antonio L. Gonzalez, Marie-Jo Medina, Rekha Pai, Terry A. Thompson, Lee H. ...> ;Journal of Clinical Microbiology. 2006 Mar 1
46 citations
Locus-Specific Mutational Events in a Multilocus Variable-Number Tandem Repeat Analysis of Escherichia coli O157:H7
Anna C. Noller, M. Catherine McEllistrem, Kathleen A. Shutt, Lee H. Harrison> ;Journal of Clinical Microbiology. 2006 Feb 1
1 citations
Detection of Very High–Level Penicillin-Resistant Variants of the Tennessee 23F-4 Clone Via Single and Serial Transformations with Four Serotype 19A International Pneu...
M. Catherine McEllistrem, Jennifer Adams, Shyam Visweswaran, Saleem A. Khan> ;Microbial Drug Resistance. 2005 Oct 4
12 citations
Erythromycin-nonsusceptible Streptococcus pneumoniae in children, 1999-2001.
M. Catherine McEllistrem, Jennifer Adams, Kathleen A. Shutt, Laurie Thomson Sanza, Richard R. Facklam, Cynthia G. Whitney, James H. Jorgensen, Lee H. Harrison> ;Emerging Infectious Diseases. 2005 Jun 1
101 citations
Acute Otitis Media Due to Penicillin-Nonsusceptible Streptococcus pneumoniae Before and After the Introduction of the Pneumococcal Conjugate Vaccine
M. Catherine McEllistrem, Jennifer Adams, Kartik Patel, Aaron B. Mendelsohn, Sheldon L. Kaplan, John S. Bradley, Gordon E. Schutze, K. S. Kim, Edward O. Mason, Ellen R...> ;Clinical Infectious Diseases. 2005 Jun 15
133 citations
A Hospital Outbreak of Clostridium difficile Disease Associated with Isolates Carrying Binary Toxin Genes
M. Catherine McEllistrem, Robert J. Carman, Dale N. Gerding, Christopher W. Genheimer, Limin Zheng> ;Clinical Infectious Diseases. 2005 Jan 15
12 citations
Genotyping primers for fully automated multilocus variable-number tandem repeat analysis of Escherichia coli O157:H7.
Anna C. Noller, M. Catherine McEllistrem, Lee H. Harrison> ;Journal of Clinical Microbiology. 2004 Aug 1
Correlating epidemiologic trends with the genotypes causing meningococcal disease, Maryland.
McEllistrem, M. C., Kolano, J. A., Pass, M. A., Caugant, D. A., Mendelsohn, A. B., Fonseca Pacheco, A. G., Shutt, K. A., Razeq, J., Harrison, L. H.> ;Emerging Infect Dis. 2004 Mar
12 citations
Serotype 14 Variants of the France 9V−3 Clone from Baltimore, Maryland, Can Be Differentiated by the cpsB Gene
M. Catherine McEllistrem, Anna C. Noller, Shyam Visweswaran, Jennifer Adams, Lee H. Harrison> ;Journal of Clinical Microbiology. 2004 Jan 1
145 citations
Multilocus variable-number tandem repeat analysis distinguishes outbreak and sporadic Escherichia coli O157:H7 isolates
Anna C. Noller, M. Catherine McEllistrem, Antonio G. Pacheco, David Boxrud, Lee H. Harrison> ;Journal of Clinical Microbiology. 2003 Dec 1
77 citations
Epidemiology of Acute Otitis Media Caused by Streptococcus pneumoniae Before and After Licensure of the 7-Valent Pneumococcal Protein Conjugate Vaccine
M. Catherine McEllistrem, Jennifer Adams, Edward O. Mason, Ellen R. Wald> ;The Journal of Infectious Diseases. 2003 Dec 1
110 citations
Clonal Distribution of Invasive Pneumococcal Isolates from Children and Selected Adults in the United States Prior to 7-Valent Conjugate Vaccine Introduction
Robert E. Gertz, M. Catherine McEllistrem, David Boxrud, Zhongya Li, Varja Sakota, Terry A. Thompson, Richard R. Facklam, John M. Besser, Lee H. Harrison, Cynthia G. W...> ;Journal of Clinical Microbiology. 2003 Sep 1
Join now to see all

Grant Support

Prevention Of Pneumococcal Disease In HIV InfectionNational Institute Of Allergy And Infectious Diseases2000–2004

Hospital Affiliations

Veterans Affairs Medical Center (Pittsburgh)Pittsburgh, Pennsylvania
UPMC Presbyterian ShadysidePittsburgh, Pennsylvania

MaryCMcEllistremMD

Dr. McEllistrem is on Doximity

Education & Training

Certifications & Licensure

Publications & Presentations

Grant Support

Hospital Affiliations

Viewing the full profile is available to verified healthcare professionals only.