World's Best Scientists 2026 revealed!
William S. Harmsen

William S. Harmsen

D-Index & Metrics

Medicine

D-Index
122
Citations
51417
World Ranking
3495
National Ranking
1924

William S. Harmsen 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 William S. Harmsen 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: 754 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

William S. Harmsen 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 William S. Harmsen 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: 122 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Overview

William S. Harmsen is affiliated with the Mayo Clinic in the United States and has a substantial body of research focused primarily within the field of Medicine. Their extensive work covers several subfields including Surgery, Pulmonary and Respiratory Medicine, Oncology, Epidemiology, and Genetics.

The scientist's research topics encompass a range of gastrointestinal and oncological issues. Key topics of their work include:

  • Microscopic Colitis
  • Inflammatory Bowel Disease
  • Pancreatic and Hepatic Oncology Research
  • Gastric Cancer Management and Outcomes
  • Esophageal and GI Pathology
  • Advanced Radiotherapy Techniques
  • Gastrointestinal motility and disorders

William S. Harmsen has contributed publications to a variety of scientific journals, with frequent appearances in the following venues:

  • Gastroenterology
  • International Journal of Radiation Oncology*Biology*Physics
  • Practical Radiation Oncology
  • The American Journal of Gastroenterology
  • Clinical Gastroenterology and Hepatology

Among the recent papers involving this scientist are:

  • Effects of liraglutide on gastrointestinal functions and weight in obesity: A randomized clinical and pharmacogenomic trial, 2022, Obesity
  • Comparative analysis of acute toxicities and patient reported outcomes between intensity-modulated proton therapy (IMPT) and volumetric modulated arc therapy (VMAT) for the treatment of oropharyngeal cancer, 2020, Radiotherapy and Oncology
  • Development and Validation of Test for "Leaky Gut" Small Intestinal and Colonic Permeability Using Sugars in Healthy Adults, 2021, Gastroenterology
  • Liver Stiffness Measured by Either Magnetic Resonance or Transient Elastography Is Associated With Liver Fibrosis and Is an Independent Predictor of Outcomes Among Patients With Primary Biliary Cholangitis, 2020, Journal of Clinical Gastroenterology
  • Development and Assessment of a Predictive Score for Vertebral Compression Fracture After Stereotactic Body Radiation Therapy for Spinal Metastases, 2022, JAMA Oncology

The scientist collaborates frequently with several coauthors, including:

  • Kenneth W. Merrell
  • Michael Camilleri
  • William G. Breen
  • Jay Mandrekar
  • Edward V. Loftus

Best Publications

  • The natural history of corticosteroid therapy for inflammatory bowel disease: A population-based study

    William A. Faubion;Edward V. Loftus;William S. Harmsen;Alan R. Zinsmeister

  • The natural history of fistulizing Crohn's disease in Olmsted County, Minnesota.

    David A. Schwartz;Edward V. Loftus;William J. Tremaine;Remo Panaccione

  • Risk factors for opportunistic infections in patients with inflammatory bowel disease.

    Murat Toruner;Edward V. Loftus;W. Scott Harmsen;Alan R. Zinsmeister

  • The safety profile of infliximab in patients with Crohn's disease: The Mayo Clinic experience in 500 patients

    Jean Frederic Colombel;Edward V. Loftus;William J. Tremaine;Laurence J. Egan

  • Risk Factors for Prosthetic Joint Infection: Case-Control Study

    Elie F. Berbari;Arlen D. Hanssen;Mary C. Duffy;James M. Steckelberg

  • Risk factors associated with progression to intestinal complications of Crohn's disease in a population-based cohort.

    Kelvin T. Thia;Kelvin T. Thia;William J. Sandborn;William S. Harmsen;Alan R. Zinsmeister

  • PSC-IBD: a unique form of inflammatory bowel disease associated with primary sclerosing cholangitis

    E V Loftus;G C Harewood;C G Loftus;W J Tremaine

  • Crohn's disease in Olmsted County, Minnesota, 1940-1993: incidence, prevalence, and survival.

    Edward V. Loftus;Marc D. Silverstein;Marc D. Silverstein;William J. Sandborn;William J. Tremaine

  • Correlation of C‐reactive protein with clinical, endoscopic, histologic, and radiographic activity in inflammatory bowel disease

    Craig A Solem;Edward V Loftus;William J Tremaine;William S Harmsen

  • Medical costs in community subjects with irritable bowel syndrome.

    Nicholas J. Talley;Sherine E. Gabriel;W.Scott Harmsen;Alan R. Zinsmeister

  • Effect of femoral head diameter and operative approach on risk of dislocation after primary total hip arthroplasty.

    Daniel J. Berry;Marius von Knoch;Cathy D. Schleck;William S. Harmsen

  • Ulcerative colitis in Olmsted County, Minnesota, 1940-1993: incidence, prevalence, and survival.

    E V Loftus;M D Silverstein;W J Sandborn;W J Tremaine

  • Contemporary management of acute mesenteric ischemia: Factors associated with survival.

    Woosup M. Park;Peter Gloviczki;Kenneth J. Cherry;John W. Hallett

  • Risk of intestinal cancer in inflammatory bowel disease: a population-based study from olmsted county, Minnesota.

    Tine Jess;Edward V. Loftus;Fernando S. Velayos;W. Scott Harmsen

  • Hepatic resection for metastatic colorectal cancer results in cure for some patients.

    Richard L. Jamison;John H. Donohue;David M. Nagorney;Charles B. Rosen

  • Early postoperative complications are not increased in patients with Crohn's disease treated perioperatively with infliximab or immunosuppressive therapy

    Jean Frédéric Colombel;Edward V Loftus;William J Tremaine;John H Pemberton

  • Optimal Testing Parameters for Blood Cultures

    F. R. Cockerill;J. W. Wilson;E. A. Vetter;K. M. Goodman

  • Prospective blinded evaluation of computed tomographic colonography for screen detection of colorectal polyps.

    C.Daniel Johnson;William S Harmsen;Lynn A Wilson;Robert L Maccarty

  • Optimization of CT colonography technique: prospective trial in 180 patients.

    Fletcher Jg;Johnson Cd;Welch Tj;MacCarty Rl

  • Clinical course and costs of care for Crohn's disease: Markov model analysis of a population-based cohort.

    Marc D. Silverstein;Edward V. Loftus;William J. Sandborn;William J. Tremaine

Frequent Co-Authors

Edward V. Loftus
Edward V. Loftus Mayo Clinic
William J. Sandborn
William J. Sandborn University of California, San Diego
Cathy D. Schleck
Cathy D. Schleck Mayo Clinic
Lewis R. Roberts
Lewis R. Roberts Mayo Clinic
Thomas C. Bower
Thomas C. Bower Mayo Clinic
Joel G. Fletcher
Joel G. Fletcher Mayo Clinic
Peter Gloviczki
Peter Gloviczki Mayo Clinic
Duane M. Ilstrup
Duane M. Ilstrup Mayo Clinic

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