World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
123
Citations
57652
World Ranking
3344
National Ranking
1837

Richard L. Simmons 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 Richard L. Simmons 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: 737 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Richard L. Simmons 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 Richard L. Simmons 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: 123 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom

Overview

Richard L. Simmons is affiliated with the University of Pittsburgh in the United States. Their research spans several fields, primarily within Medicine and Immunology and Microbiology, with specialization in subfields such as Immunology, Surgery, Oncology, Endocrinology, Diabetes and Metabolism, and Pulmonary and Respiratory Medicine.

The scientist's work covers multiple research topics, including:

  • Immune cells in cancer
  • Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Diabetes Treatment and Management
  • Pancreatic and Hepatic Oncology Research
  • Nanoplatforms for cancer theranostics
  • Immune Response and Inflammation
  • Pharmacology and Obesity Treatment

Selected publications by Richard L. Simmons include:

  • Neutrophil Extracellular Traps Promote T Cell Exhaustion in the Tumor Microenvironment, 2021, Frontiers in Immunology
  • Association Between Preoperative Metformin Exposure and Postoperative Outcomes in Adults With Type 2 Diabetes, 2020, JAMA Surgery
  • Neutrophil Extracellular Traps (NETs) in Cancer Metastasis, 2021, Cancers
  • Long-Term Surgical Complications After Pancreatoduodenectomy: Incidence, Outcomes, and Risk Factors, 2020, Journal of Gastrointestinal Surgery
  • Hepatic Surgical Stress Promotes Systemic Immunothrombosis That Results in Distant Organ Injury, 2020, Frontiers in Immunology

Frequent coauthors with whom Richard L. Simmons has collaborated include:

  • Hamza O. Yazdani (10 joint publications)
  • Samer Tohme (6 joint publications)
  • Christof Kaltenmeier (5 joint publications)
  • David A. Geller (5 joint publications)
  • Mazen S. Zenati (5 joint publications)

The scientist publishes often in venues such as:

  • Research Square (3 publications)
  • Frontiers in Immunology (2 publications)
  • Clinical Transplantation (2 publications)
  • Cancers (1 publication)
  • JAMA Surgery (1 publication)

Richard L. Simmons has been recognized as a Fellow of the Academy of Social Sciences, United Kingdom.

Best Publications

  • Negative inotropic effects of cytokines on the heart mediated by nitric oxide

    Mitchell S. Finkel;Carmine V. Oddis;Timothy D. Jacob;Simon C. Watkins

  • Chemotaxis under agarose: a new and simple method for measuring chemotaxis and spontaneous migration of human polymorphonuclear leukocytes and monocytes.

    Robert D. Nelson;Paul G. Quie;Richard L. Simmons

  • Virus-associated hemophagocytic syndrome: a benign histiocytic proliferation distinct from malignant histiocytosis.

    Robert J. Risdall;Robert W. McKenna;Mark E. Nesbit;William Krivit

  • Molecular cloning and expression of inducible nitric oxide synthase from human hepatocytes.

    D A Geller;C J Lowenstein;R A Shapiro;A K Nussler

  • Cytokines, endotoxin, and glucocorticoids regulate the expression of inducible nitric oxide synthase in hepatocytes.

    D A Geller;A K Nussler;M Di Silvio;C J Lowenstein

  • Fulminant Clostridium difficile: An underappreciated and increasing cause of death and complications

    Ramsey M. Dallal;Brian G. Harbrecht;Arthur J. Boujoukas;Carl A. Sirio

  • Nitrogen oxide levels in patients after trauma and during sepsis.

    Juan B. Ochoa;Anthony O. Udekwu;Timothy R. Billiar;Ronald D. Curran

  • Surgical manipulation of the gut elicits an intestinal muscularis inflammatory response resulting in postsurgical ileus

    Jörg C. Kalff;Wolfgang H. Schraut;Richard L. Simmons;Anthony J. Bauer

  • A randomized, placebo-controlled trial of oral acyclovir for the prevention of cytomegalovirus disease in recipients of renal allografts

    Henry H. Balfour;Beverly A. Chace;Jack T. Stapleton;Richard L. Simmons

  • Epstein-Barr virus-induced B-cell lymphoma after renal transplantation: acyclovir therapy and transition from polyclonal to monoclonal B-cell proliferation.

    D. W. Hanto;G. Frizzera;K. J. Gajl-Peczalska;K. Sakamoto

  • Articular chondrocytes synthesize nitric oxide in response to cytokines and lipopolysaccharide.

    J Stadler;M Stefanovic-Racic;T R Billiar;R D Curran

  • Surgery for Cancer: A Trigger for Metastases

    Samer Tohme;Richard L Simmons;Allan Tsung

  • Neutrophil Extracellular Traps Promote the Development and Progression of Liver Metastases after Surgical Stress

    Samer Tohme;Hamza O. Yazdani;Ahmed B. Al-Khafaji;Alexis P. Chidi

  • Epstein-Barr virus (EBV) induced polyclonal and monoclonal B-cell lymphoproliferative diseases occurring after renal transplantation. Clinical, pathologic, and virologic findings and implications for therapy.

    Douglas W. Hanto;Kazimiera J. Gajl-peczalska;Glauco Frizzera;Diane C. Arthur

  • Hepatocytes produce nitrogen oxides from L-arginine in response to inflammatory products of Kupffer cells.

    R D Curran;T R Billiar;D J Stuehr;K Hofmann

  • Clinical Spectrum of Lymphoproliferative Disorders in Renal Transplant Recipients and Evidence for the Role of Epstein-Barr Virus

    Douglas W. Hanto;Glauco Frizzera;David T. Purtilo;Kiyoshi Sakamoto

  • Epstein-Barr virus, immunodeficiency, and B cell lymphoproliferation.

    Douglas W. Hanto;Glauco Frizzera;Kazimiera J. Gajl-Peczalska;Richard L. Simmons

  • Use of medical emergency team responses to reduce hospital cardiopulmonary arrests

    M A DeVita;R S Braithwaite;R Mahidhara;S Stuart

  • Effect of exogenous and endogenous nitric oxide on mitochondrial respiration of rat hepatocytes.

    J. Stadler;T. R. Billiar;R. D. Curran;D. J. Stuehr

  • Stimulation of the nitric oxide synthase pathway in human hepatocytes by cytokines and endotoxin.

    A K Nussler;M Di Silvio;T R Billiar;R A Hoffman

Frequent Co-Authors

John S. Najarian
John S. Najarian University of Minnesota
David E.R. Sutherland
David E.R. Sutherland University of Minnesota
Timothy R. Billiar
Timothy R. Billiar University of Pittsburgh
Michael West
Michael West Duke University
Nancy L. Ascher
Nancy L. Ascher University of California, San Francisco
Paul S. Russell
Paul S. Russell Harvard University
Phillip K. Peterson
Phillip K. Peterson University of Minnesota
Arthur J. Matas
Arthur J. Matas University of Minnesota
Thomas E. Starzl
Thomas E. Starzl University of Pittsburgh
Frank B. Cerra
Frank B. Cerra University of Minnesota

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 up many diverse pathways. For students seeking roles beyond becoming physicians, online degree options offer flexibility and a range of specializations. Exploring the best online healthcare administration degree programs is a great start for those interested in leadership and management roles in hospitals and clinics.

Nursing professionals who wish to advance their careers may consider specialized pathways like adn to fnp programs, which enable registered nurses to become family nurse practitioners through flexible online study. This not only expands clinical skills but also improves patient care outcomes.

For those passionate about wellness and disease prevention, online nutrition degrees provide a strong foundation in dietetics and health education, opening doors to careers in public health, fitness, and more.

Aspiring healthcare executives should also consider online mha programs for advanced training in healthcare policy, ethics, and business management. No matter your interests, online programs offer convenient routes to meaningful and in-demand healthcare careers.

Best Scientists Citing Richard L. Simmons

Trending Scientists

Recently Published Articles