World's Best Scientists 2026 revealed!
Michael A. Pfaller

Michael A. Pfaller

Award Badge
Microbiology
USA
2026

D-Index & Metrics

Best Scientists

D-Index
166
Citations
108500
World Ranking
1005
National Ranking
594

Microbiology

D-Index
169
Citations
109983
World Ranking
12
National Ranking
6

Medicine

D-Index
170
Citations
110861
World Ranking
523
National Ranking
309

Michael A. Pfaller publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Michael A. Pfaller sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 818 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Michael A. Pfaller D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Michael A. Pfaller sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 169 D-Index — 100th percentile

100% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Microbiology in United States Leader Award
  • 2025 - Research.com Microbiology in United States Leader Award
  • 1997 - ASM Award for Research in Clinical Microbiology, American Society for Microbiology

Overview

Michael A. Pfaller is affiliated with JMI Laboratories in the United States and has a research focus within the field of Medicine, particularly in Infectious Diseases, Epidemiology, Applied Microbiology and Biotechnology, Clinical Biochemistry, and Pharmacology.

The main topics covered in their work include:

  • Antifungal resistance and susceptibility
  • Fungal Infections and Studies
  • Antibiotic Use and Resistance
  • Bacterial Identification and Susceptibility Testing
  • Antibiotic Resistance in Bacteria
  • Antimicrobial Resistance in Staphylococcus
  • Nail Diseases and Treatments

Some of the recent papers authored by Michael A. Pfaller are:

  • Activity of a Long-Acting Echinocandin, Rezafungin, and Comparator Antifungal Agents Tested against Contemporary Invasive Fungal Isolates (SENTRY Program, 2016 to 2018), 2020, Antimicrobial Agents and Chemotherapy
  • Surveillance of Omadacycline Activity Tested against Clinical Isolates from the United States and Europe: Report from the SENTRY Antimicrobial Surveillance Program, 2016 to 2018, 2020, Antimicrobial Agents and Chemotherapy
  • Antimicrobial activity of manogepix, a first-in-class antifungal, and comparator agents tested against contemporary invasive fungal isolates from an international surveillance programme (2018-2019), 2021, Journal of Global Antimicrobial Resistance

Frequent co-authors collaborating with Michael A. Pfaller include:

  • Mariana Castanheira
  • Cecília G Carvalhaes
  • Paul R. Rhomberg
  • Michael D. Huband
  • Robert K. Flamm

Regular publication venues for Michael A. Pfaller's work include:

  • Open Forum Infectious Diseases
  • Antimicrobial Agents and Chemotherapy
  • Diagnostic Microbiology and Infectious Disease
  • Journal of Global Antimicrobial Resistance
  • Future Microbiology

Michael A. Pfaller has contributed to book publications as well, including works published by ASM Press eBooks and Frontiers Media. Notable titles include Manual of Clinical Microbiology (2020) and Developments in Implicit Measurements (2022).

Among the recognitions, Michael A. Pfaller received the ASM Award for Research in Clinical Microbiology from the American Society for Microbiology in 1997.

Best Publications

  • Epidemiology of Invasive Candidiasis: a Persistent Public Health Problem

    M. A. Pfaller;D. J. Diekema

  • Nosocomial Bloodstream Infections in United States Hospitals: A Three-Year Analysis

    Michael B. Edmond;Sarah E. Wallace;Donna K. McClish;Michael A. Pfaller

  • Survey of Infections Due to Staphylococcus Species: Frequency of Occurrence and Antimicrobial Susceptibility of Isolates Collected in the United States, Canada, Latin America, Europe, and the Western Pacific Region for the SENTRY Antimicrobial Surveillance Program, 1997–1999

    D. J. Diekema;M. A. Pfaller;F. J. Schmitz;J. Smayevsky

  • Attributable Mortality of Nosocomial Candidemia, Revisited

    Olafur Gudlaugsson;Olafur Gudlaugsson;Shane Gillespie;Kathleen Lee;Jeff Vande Berg

  • Development of Interpretive Breakpoints for Antifungal Susceptibility Testing: Conceptual Framework and Analysis of In Vitro-In Vivo Correlation Data for Fluconazole, Itraconazole, and Candida Infections

    John H. Rex;Michael A. Pfaller;John N. Galgiani;Marilyn S. Bartlett

  • Hospital-Acquired Candidemia: The Attributable Mortality and Excess Length of Stay

    Sergio B. Wey;Motomi Mori;Michael A. Pfaller;Robert F. Woolson

  • Epidemiology and Outcomes of Candidemia in 2019 Patients: Data from the Prospective Antifungal Therapy Alliance Registry

    David L. Horn;Dionissios Neofytos;Dionissios Neofytos;Elias J. Anaissie;Jay A. Fishman

  • Antifungal drug resistance: mechanisms, epidemiology, and consequences for treatment.

    Michael A. Pfaller

  • RESISTANCE OF CANDIDA SPECIES TO FLUCONAZOLE

    J H Rex;M G Rinaldi;M A Pfaller

  • Epidemiology of Invasive Mycoses in North America

    Michael A Pfaller;Daniel J Diekema

  • A Controlled Clinical Trial of E5 Murine Monoclonal IgM Antibody to Endotoxin in the Treatment of Gram-Negative Sepsis

    R L Greenman;R M Schein;M A Martin;R P Wenzel

  • Increasing Echinocandin Resistance in Candida glabrata: Clinical Failure Correlates With Presence of FKS Mutations and Elevated Minimum Inhibitory Concentrations

    Barbara D. Alexander;Melissa D. Johnson;Christopher D. Pfeiffer;Cristina Jiménez-Ortigosa

  • Intranasal mupirocin to prevent postoperative Staphylococcus aureus infections.

    Trish M. Perl;Joseph J. Cullen;Richard P. Wenzel;M. Bridget Zimmerman

  • Results from the ARTEMIS DISK Global Antifungal Surveillance Study, 1997 to 2007: a 10.5-Year Analysis of Susceptibilities of Candida Species to Fluconazole and Voriconazole as Determined by CLSI Standardized Disk Diffusion

    M. A. Pfaller;D. J. Diekema;D. L. Gibbs;V. A. Newell

  • Rare and Emerging Opportunistic Fungal Pathogens: Concern for Resistance beyond Candida albicans and Aspergillus fumigatus

    M. A. Pfaller;D. J. Diekema

  • Risk Factors for Candidal Bloodstream Infections in Surgical Intensive Care Unit Patients: The NEMIS Prospective Multicenter Study

    Henry M. Blumberg;Henry M. Blumberg;William R. Jarvis;J. Michael Soucie;Jack E. Edwards

  • Risk Factors for Hospital-Acquired Candidemia: A Matched Case-Control Study

    Sergio B. Wey;Motomi Mori;Michael A. Pfaller;Robert F. Woolson

  • Bacterial Pathogens Isolated from Patients with Bloodstream Infection: Frequencies of Occurrence and Antimicrobial Susceptibility Patterns from the SENTRY Antimicrobial Surveillance Program (United States and Canada, 1997)

    Michael A. Pfaller;Ronald N. Jones;Gary V. Doern;Kari Kugler

  • International surveillance of bloodstream infections due to Candida species: frequency of occurrence and in vitro susceptibilities to fluconazole, ravuconazole, and voriconazole of isolates collected from 1997 through 1999 in the SENTRY antimicrobial surveillance program.

    M. A. Pfaller;D. J. Diekema;R. N. Jones;H. S. Sader

  • Risk factors for candidemia in neonatal intensive care unit patients

    L Saiman;E Ludington;M Pfaller;S Rangel-Frausto

  • Twenty Years of the SENTRY Antifungal Surveillance Program: Results for Candida Species From 1997-2016.

    Michael A Pfaller;Daniel J Diekema;John D Turnidge;Mariana Castanheira

Frequent Co-Authors

Ronald N. Jones
Ronald N. Jones JMI Laboratories
Daniel J. Diekema
Daniel J. Diekema University of Iowa Hospitals and Clinics
Shawn A. Messer
Shawn A. Messer Oregon Health & Science University
Mariana Castanheira
Mariana Castanheira JMI Laboratories
Richard J. Hollis
Richard J. Hollis University of Iowa
Richard P. Wenzel
Richard P. Wenzel Virginia Commonwealth University
Robert K. Flamm
Robert K. Flamm JMI Laboratories
Helio S. Sader
Helio S. Sader JMI Laboratories
Rodrigo E. Mendes
Rodrigo E. Mendes JMI Laboratories
Paul R. Rhomberg
Paul R. Rhomberg University of Iowa

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