World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
55
Citations
10193
World Ranking
3844
National Ranking
1503

Stephen P. James 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 Stephen P. James 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: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 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: 152 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Stephen P. James 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 Stephen P. James 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: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 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: 94 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: 55 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Overview

Stephen P. James is affiliated with the National Institutes of Health in the United States. Their research primarily focuses on medicine and health professions, with six publications in medicine and two in health professions. Their work covers several subfields, including general health professions, infectious diseases, public health, environmental and occupational health, genetics, and surgery.

The main topics of their research include healthcare cost, quality, and practices; primary care and health outcomes; health and medical research impacts; diabetes and associated disorders; pancreatic function and diabetes; diabetes management and research; and COVID-19 clinical research studies.

Recent publications by Stephen P. James include:

  • Achieving Health Equity Through Digestive Diseases Research and Scientific Workforce Diversity, 2022, Gastroenterology
  • Heterogeneity of Diabetes: β-Cells, Phenotypes, and Precision Medicine: Proceedings of an International Symposium of the Canadian Institutes of Health Research's Institute of Nutrition, Metabolism and Diabetes and the U.S. National Institutes of Health's National Institute of Diabetes and Digestive and Kidney Diseases, 2021, Canadian Journal of Diabetes
  • Opportunities for Research for COVID-19 in the Mission of NIDDK, 2020, Diabetes Care

Frequent publication venues for their work include:

  • Gastroenterology
  • Canadian Journal of Diabetes
  • Diabetes Care

Stephen P. James has collaborated frequently with other researchers including William T. Cefalu, Christopher L. Pin, Minna Woo, Norman D. Rosenblum, and Guillermo Arreaza-Rubín. These collaborations have involved multiple co-authored publications, particularly with William T. Cefalu.

Best Publications

  • Increased expression and cellular localization of inducible nitric oxide synthase and cyclooxygenase 2 in Helicobacter pylori gastritis.

    Sidong Fu;Kalathur S. Ramanujam;Annie Wong;George T. Fantry

  • E-Cadherin Gene Promoter Hypermethylation in Primary Human Gastric Carcinomas

    Gen Tamura;Jing Yin;Suna Wang;A. S. Fleisher

  • Hypermethylation of the hMLH1 Gene Promoter in Human Gastric Cancers with Microsatellite Instability

    A. Steven Fleisher;Manel Esteller;Suna Wang;Gen Tamura

  • Role of the eaeA gene in experimental enteropathogenic Escherichia coli infection.

    M S Donnenberg;C O Tacket;S P James;G Losonsky

  • Leu-8/TQ1 is the human equivalent of the Mel-14 lymph node homing receptor

    David Camerini;Stephen P. James;Ivan Stamenkovic;Brian Seed

  • Microsatellite instability in inflammatory bowel disease-associated neoplastic lesions is associated with hypermethylation and diminished expression of the DNA mismatch repair gene, hMLH1.

    A. Steven Fleisher;Manel Esteller;Noam Harpaz;Anatoly Leytin

  • Primary sclerosing cholangitis: Summary of a workshop†‡

    Nicholas F. LaRusso;Benjamin L. Shneider;Dennis Black;Gregory J. Gores

  • Primary Biliary Cirrhosis: A Model Autoimmune Disease

    Stephen P. James;Jay H. Hoofnagle;Warren Strober;E. Anthony Jones

  • Increased interleukin-2 messenger RNA in the intestinal mucosal lesions of Crohn's disease but not ulcerative colitis.

    Gerard E. Mullin;Gerard E. Mullin;Audrey J. Lazenby;Audrey J. Lazenby;Mary L. Harris;Mary L. Harris;Theodore M. Bayless;Theodore M. Bayless

  • Helicobacter pylori stimulates inducible nitric oxide synthase expression and activity in a murine macrophage cell line

    K. T. Wilson;K. S. Ramanujam;H. L.T. Mobley;R. F. Musselman

  • Functional Dyspepsia and Gastroparesis in Tertiary Care are Interchangeable Syndromes With Common Clinical and Pathologic Features.

    Pankaj J. Pasricha;Madhusudan Grover;Katherine P. Yates;Thomas L. Abell

  • Distinct methylation patterns of two APC gene promoters in normal and cancerous gastric epithelia.

    T. Tsuchiya;G. Tamura;K. Sato;Y. Endoh

  • A large toxin from pathogenic Escherichia coli strains that inhibits lymphocyte activation.

    Jan-Michael A. Klapproth;Isabel C. A. Scaletsky;Barry P. McNamara;Li-Ching Lai

  • Lymphocytes isolated from the intestinal lamina propria of normal nonhuman primates have increased expression of genes associated with T-cell activation

    Martin Zeitz;Warner C. Greene;Nancy J. Peffer;Stephen P. James

  • The immunologic basis of inflammatory bowel disease.

    Warren Strober;Stephen P. James

  • National Institutes of Health Consensus Development Conference statement on Celiac Disease, June 28–30, 2004

    Stephen P. James

  • Hypermethylation of the hMLH1 gene promoter is associated with microsatellite instability in early human gastric neoplasia.

    A. Steven Fleisher;Manel Esteller;Gen Tamura;Asma Rashid

  • Mucosal T cells provide helper function but do not proliferate when stimulated by specific antigen in lymphogranuloma venereum proctitis in nonhuman primates

    Martin Zeitz;Thomas C. Quinn;Alan S. Graeff;Stephen P. James

  • Phenotypic analysis of lamina propria lymphocytes

    S.P. James;C. Fiocchi;A.S. Graeff;W. Strober

  • Remission of Crohn's disease after human immunodeficiency virus infection.

    Stephen P. James

  • Abnormal regulation of immunoglobulin synthesis in vitro in primary biliary cirrhosis

    S.P. James;C.O. Elson;E.A. Jones;W. Strober

  • Aprepitant Has Mixed Effects on Nausea and Reduces Other Symptoms in Patients With Gastroparesis and Related Disorders

    Pankaj J. Pasricha;Katherine P. Yates;Irene Sarosiek;Richard W. McCallum

Frequent Co-Authors

Warren Strober
Warren Strober National Institute of Allergy and Infectious Diseases
Keith T. Wilson
Keith T. Wilson Vanderbilt University Medical Center
Martin Zeitz
Martin Zeitz Charité - University Medicine Berlin
Stephen J. Meltzer
Stephen J. Meltzer Johns Hopkins University School of Medicine
Charles O. Elson
Charles O. Elson University of Alabama at Birmingham
Michael S. Donnenberg
Michael S. Donnenberg Virginia Commonwealth University
Thomas C. Quinn
Thomas C. Quinn Johns Hopkins University
Jay H. Hoofnagle
Jay H. Hoofnagle National Institutes of Health
Emmet B. Keeffe
Emmet B. Keeffe Stanford University
Manel Esteller
Manel Esteller Josep Carreras Leukaemia Research Institute

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