World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
79
Citations
23614
World Ranking
17529
National Ranking
8771

John S. Greenspan publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where John S. Greenspan sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 300 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

John S. Greenspan D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where John S. Greenspan sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 79 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

John S. Greenspan is affiliated with the University of California, San Francisco in the United States. Their research spans multiple fields including Medicine and Dentistry, with a notable focus on Periodontics, Otorhinolaryngology, Oncology, General Dentistry, and Genetics. The scientist's work addresses a range of topics mostly related to oral health and cancer studies.

Their main topics of work include:

  • Head and Neck Cancer Studies
  • Oral Health Pathology and Treatment
  • Cancer Diagnosis and Treatment
  • Dental Health and Care Utilization
  • Dental Research and COVID-19
  • Cleft Lip and Palate Research
  • Esophageal Cancer Research and Treatment

John S. Greenspan has contributed to several recent publications, notably:

  • "The impact of the world Workshops on oral health and disease in HIV and AIDS (1988-2020)," 2020, Oral Diseases
  • "25th anniversary of oral diseases," 2020, Oral Diseases
  • "Faculty Opinions recommendation of Fitting a vaccine into the HIV prevention landscape," 2021, Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature
  • "Faculty Opinions recommendation of Unclouded Judgment - Global Health and the Moral Clarity of Paul Farmer," 2022, Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature
  • "Faculty Opinions recommendation of Milk and Health," 2020, Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature

Frequent co-authors working alongside John S. Greenspan include:

  • Saman Warnakulasuriya
  • Stephen Challacombe
  • Hatsuhiko Maeda
  • Newell W. Johnson
  • Masahiko Mori

The scientist's work frequently appears in the following publication venues:

  • Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature
  • Oral Diseases

John S. Greenspan has authored books published by Springer International Publishing, including "Textbook of Oral Cancer" released in 2020, which has been cited in the scientific literature.

Best Publications

  • American College of Rheumatology classification criteria for Sjögren's syndrome: a data-driven, expert consensus approach in the Sjögren's International Collaborative Clinical Alliance cohort

    S C Shiboski;C H Shiboski;L A Criswell;A N Baer

  • Replication of Epstein–Barr Virus within the Epithelial Cells of Oral Hairy Leukoplakia, an AIDS-Associated Lesion

    J S Greenspan;D Greenspan;E T Lennette;D I Abrams

  • The histopathology of Sjögren's syndrome in labial salivary gland biopsies

    J.S. Greenspan;J.S. Greenspan;T.E. Daniels;T.E. Daniels;N. Talal;N. Talal;R.A. Sylvester;R.A. Sylvester

  • Effect of castration and sex hormone treatment on survival, anti-nucleic acid antibodies, and glomerulonephritis in nzb/nzw f1 mice.

    J R Roubinian;N Talal;J S Greenspan;J R Goodman

  • Global burden of oral diseases: emerging concepts, management and interplay with systemic health.

    L. J. Jin;I. B. Lamster;J. S. Greenspan;Nigel Pitts

  • Oral "hairy" leucoplakia in male homosexuals: evidence of association with both papillomavirus and a herpes-group virus.

    Deborah Greenspan;Marcus Conant;Sol Silverman;JohnS. Greenspan

  • Thalidomide for the treatment of oral aphthous ulcers in patients with human immunodeficiency virus infection

    J M Jacobson;J S Greenspan;J Spritzler;N Ketter

  • A Simplified Quantitative Method for Assessing Keratoconjunctivitis Sicca From the Sjögren's Syndrome International Registry

    John P. Whitcher;Caroline H. Shiboski;Stephen C. Shiboski;Ana Maria Heidenreich

  • Oral lesions in infection with human immunodeficiency virus

    Maeve M. Coogan;John Greenspan;Stephen J. Challacombe

  • Relation of Oral Hairy Leukoplakia to Infection with the Human Immunodeficiency Virus and the Risk of Developing AIDS

    Deborah Greenspan;John S. Greenspan;Norman G. Hearst;Li-Zhen Pan

  • DETECTION OF HUMAN PAPILLOMAVIRUS DNA IN ANAL INTRAEPITHELIAL NEOPLASIA AND ANAL CANCER

    Joel M. Palefsky;Elizabeth A. Holly;John Gonzales;Jennifer Berline

  • Associations between salivary gland histopathologic diagnoses and phenotypic features of Sjögren's syndrome among 1,726 registry participants

    Troy E. Daniels;Darren Cox;Caroline H. Shiboski;Morten Schiødt

  • The prevalence of oral lesions in HIV-infected homosexual and bisexual men: three San Francisco epidemiological cohorts.

    David W. Feigal;Mitchell H. Katz;Deborah Greenspan;Janice Westenhouse

  • Effect of highly active antiretroviral therapy on frequency of oral warts.

    Deborah Greenspan;Alison J Canchola;Laurie A MacPhail;Behnaz Cheikh

  • Oral manifestations of HIV infection. Definitions, diagnostic criteria, and principles of therapy. The U.S.A. Oral AIDS Collaborative Group.

    John S. Greenspan;Charles E. Barr;Charles E. Barr;James J. Sciubba;James J. Sciubba;James R. Winkler

  • Differentiation-associated expression of the Epstein-Barr virus BZLF1 transactivator protein in oral hairy leukoplakia.

    L S Young;R Lau;M Rowe;G Niedobitek

  • The phenotypic characterization of lymphocyte subpopulations in established human periodontal disease.

    Gregory J. Seymour;John S. Greenspan

  • The oral component of Sjögren's syndrome.

    T.E. Daniels;T.E. Daniels;S. Silverman;S. Silverman;J.P. Michalski;J.P. Michalski;J.S. Greenspan;J.S. Greenspan

  • Comparison of gas and liquid ventilation: clinical, physiological, and histological correlates.

    M. R. Wolfson;J. S. Greenspan;K. S. Deoras;S. D. Rubenstein

  • Chronic therapy with recombinant tumor necrosis factor-α in autoimmune NZB/NZW F1 mice

    Caroline Gordon;Caroline Gordon;Gerald E. Ranges;John S. Greenspan;David Wofsy;David Wofsy

Frequent Co-Authors

Deborah Greenspan
Deborah Greenspan University of California, San Francisco
Sol Silverman
Sol Silverman University of California, San Francisco
Norman Talal
Norman Talal Columbia University
Stephen Challacombe
Stephen Challacombe King's College London
Lindsey A. Criswell
Lindsey A. Criswell National Institutes of Health
Joel M. Palefsky
Joel M. Palefsky University of California, San Francisco
Saman Warnakulasuriya
Saman Warnakulasuriya King's College London
Irving L. Weissman
Irving L. Weissman Stanford University
Donald I. Abrams
Donald I. Abrams University of California, San Francisco
Diane W. Wara
Diane W. Wara University of California, San Francisco

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing a career in medicine opens doors to a variety of related fields and flexible education options. For those considering alternative healthcare roles, there are routes that cater to different backgrounds and professional goals.

If you are interested in nursing but want to avoid entrance exams, several institutions offer a nursing school that doesn't require teas or HESI exams. This can make the path to becoming a nurse more accessible and streamlined.

For aspiring leaders in healthcare, a best online healthcare administration degree can be completed at your own pace, offering a fast track to management roles in medical settings.

Registered nurses aiming to advance their clinical skills can explore asn to np bridge programs. These online pathways allow RNs with associate degrees to earn their MSN and eventually become Nurse Practitioners.

Nutrition also plays a vital role in patient care. There are flexible online degrees in nutrition available for those passionate about promoting wellness through diet and lifestyle support.

Each of these programs offers unique opportunities to advance or diversify your career within the rapidly evolving healthcare industry.

Best Scientists Citing John S. Greenspan

Trending Scientists

Recently Published Articles