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Robert S. Sandler

D-Index & Metrics

Medicine

D-Index
118
Citations
63481
World Ranking
4000
National Ranking
2186

Robert S. Sandler 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 Robert S. Sandler 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: 610 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: 700 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Robert S. Sandler 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 Robert S. Sandler 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: 399 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: 118 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Overview

Robert S. Sandler is affiliated with the University of North Carolina at Chapel Hill in the United States. Their research primarily spans the field of medicine with a specialized focus on surgery, genetics, oncology, epidemiology, and pathology and forensic medicine.

The main topics in their scholarly work include:

  • Inflammatory Bowel Disease
  • Microscopic Colitis
  • Colorectal Cancer Screening and Detection
  • Diverticular Disease and Complications
  • Genetic factors in colorectal cancer
  • Colorectal Cancer Treatments and Studies
  • Cancer, Lipids, and Metabolism

Robert S. Sandler has contributed to multiple publications across various reputable venues. Frequent venues for their work include:

  • UNC Libraries
  • Gastroenterology
  • Clinical Gastroenterology and Hepatology
  • Inflammatory Bowel Diseases
  • The American Journal of Gastroenterology

Notable recent papers authored or co-authored by Robert S. Sandler include:

  • "Burden and Cost of Gastrointestinal, Liver, and Pancreatic Diseases in the United States: Update 2021" (2021) published in Gastroenterology
  • "A Randomized Trial Comparing the Specific Carbohydrate Diet to a Mediterranean Diet in Adults With Crohn's Disease" (2021) published in Gastroenterology
  • "Incidence, Risk Factors, and Outcomes of Pouchitis and Pouch-Related Complications in Patients With Ulcerative Colitis" (2020) published in Clinical Gastroenterology and Hepatology
  • "Nongenetic Determinants of Risk for Early-Onset Colorectal Cancer" (2021) published in JNCI Cancer Spectrum
  • "Aberrant Expression and Subcellular Localization of ECT2 Drives Colorectal Cancer Progression and Growth" (2021) published in Cancer Research

The scientist collaborates frequently with other researchers. Prominent co-authors include:

  • Michael D. Kappelman
  • Millie D. Long
  • Temitope O. Keku
  • Joseph A. Galanko
  • Anne F. Peery

Best Publications

  • Cardiovascular events associated with rofecoxib in a colorectal adenoma chemoprevention trial

    Robert S. Bresalier;Robert S. Sandler;Hui Quan;James A. Bolognese

  • Burden of Gastrointestinal Disease in the United States: 2012 Update

    Anne F Peery;Evan S Dellon;Jennifer Leigh Lund;Seth David Crockett

  • The burden of selected digestive diseases in the United States

    Robert S. Sandler;James E. Everhart;Mark Donowitz;Elizabeth Adams

  • A randomized trial of aspirin to prevent colorectal adenomas

    John A. Baron;Bernard F. Cole;Robert S. Sandler;Robert W. Haile

  • A randomized trial of aspirin to prevent colorectal adenomas in patients with previous colorectal cancer.

    Robert S. Sandler;Susan Halabi;John A. Baron;Susan Budinger

  • Burden and Cost of Gastrointestinal, Liver, and Pancreatic Diseases in the United States: Update 2018.

    Anne F Peery;Seth David Crockett;Caitlin C. Murphy;Jennifer Leigh Lund

  • Folic acid for the prevention of colorectal adenomas: a randomized clinical trial.

    Bernard F. Cole;John A. Baron;Robert S. Sandler;Robert W. Haile

  • Calcium Supplements for the Prevention of Colorectal Adenomas

    Baron Ja;Beach M;Beach M;Mandel Js;van Stolk Ru

  • Psychosocial factors in the irritable bowel syndrome. A multivariate study of patients and nonpatients with irritable bowel syndrome

    Douglas A. Drossman;Daphne C. McKee;Robert S. Sandler;C. Madeline Mitchell

  • Is there publication bias in the reporting of cancer risk in Barrett's esophagus?

    Nicholas J. Shaheen;Melissa A. Crosby;Eugene M. Bozymski;Robert S. Sandler

  • Bowel patterns among subjects not seeking health care. Use of a questionnaire to identify a population with bowel dysfunction.

    Douglas A. Drossman;Robert S. Sandler;Daphne C. McKee;Alix J. Lovitz

  • Burden of Gastrointestinal, Liver, and Pancreatic Diseases in the United States

    Anne F. Peery;Seth D. Crockett;Alfred S. Barritt;Evan S. Dellon

  • Improving dietary behavior: the effectiveness of tailored messages in primary care settings.

    Marci Kramish Campbell;Brenda M. DeVellis;Victor J. Strecher;Alice S. Ammerman

  • Direct health care costs of Crohn's disease and ulcerative colitis in US children and adults.

    Michael D. Kappelman;Sheryl L. Rifas-Shiman;Carol Q. Porter;Daniel A. Ollendorf

  • The burden of gastrointestinal and liver diseases, 2006.

    Nicholas J Shaheen;Richard A Hansen;Douglas R Morgan;Lisa M Gangarosa

  • Epidemiology of constipation (EPOC) study in the United States: relation of clinical subtypes to sociodemographic features

    Walter F. Stewart;Joshua N. Liberman;Robert S. Sandler;Michael S. Woods

  • Fusobacterium is associated with colorectal adenomas.

    Amber N. McCoy;Félix Araújo-Pérez;Andrea Azcárate-Peril;Jen Jen Yeh

  • Risk of Melanoma and Nonmelanoma Skin Cancer Among Patients With Inflammatory Bowel Disease

    Millie D. Long;Christopher F. Martin;Clare A. Pipkin;Hans H. Herfarth

  • Aspirin for the Chemoprevention of Colorectal Adenomas: Meta-analysis of the Randomized Trials

    Bernard F. Cole;Richard F. Logan;Susan Halabi;Robert Benamouzig

  • A randomized trial of aspirin to prevent colorectal adenomas in patients with previous colorectal cancer

    Robert S. Sandler;Susan Halabi;John A. Baron;Susan Budinger

Frequent Co-Authors

Joseph A. Galanko
Joseph A. Galanko University of North Carolina at Chapel Hill
John A. Baron
John A. Baron University of North Carolina at Chapel Hill
Robert W. Haile
Robert W. Haile Stanford University
Dennis J. Ahnen
Dennis J. Ahnen University of Colorado Denver
Nicholas J. Shaheen
Nicholas J. Shaheen University of North Carolina at Chapel Hill
Robert C. Millikan
Robert C. Millikan University of North Carolina at Chapel Hill
Hans H Herfarth
Hans H Herfarth University of North Carolina at Chapel Hill
James D. Lewis
James D. Lewis University of Pennsylvania
Ashwin N. Ananthakrishnan
Ashwin N. Ananthakrishnan Harvard University
John H. Bond
John H. Bond Veterans Health Administration

External Links

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Best Scientists Citing Robert S. Sandler

Andrew T. Chan

Andrew T. Chan

Harvard University

Publications: 197

Nicholas J. Talley

Nicholas J. Talley

University of Newcastle Australia

Publications: 189

John D. Potter

John D. Potter

Massey University

Publications: 141

Charles S. Fuchs

Charles S. Fuchs

Genentech

Publications: 130

John A. Baron

John A. Baron

University of North Carolina at Chapel Hill

Publications: 109

Cornelia M. Ulrich

Cornelia M. Ulrich

University of Utah

Publications: 105

Walter C. Willett

Walter C. Willett

Harvard University

Publications: 100

Shuji Ogino

Shuji Ogino

Brigham and Women's Hospital

Publications: 85

Nicholas J. Shaheen

Nicholas J. Shaheen

University of North Carolina at Chapel Hill

Publications: 80

Ashwin N. Ananthakrishnan

Ashwin N. Ananthakrishnan

Harvard University

Publications: 77

Polly A. Newcomb

Polly A. Newcomb

Fred Hutchinson Cancer Research Center

Publications: 76

Evan S. Dellon

Evan S. Dellon

University of North Carolina at Chapel Hill

Publications: 71

Dennis J. Ahnen

Dennis J. Ahnen

University of Colorado Denver

Publications: 71

William J. Sandborn

William J. Sandborn

University of California, San Diego

Publications: 69

Douglas A. Drossman

Douglas A. Drossman

University of North Carolina at Chapel Hill

Publications: 69

Nancy L. Keating

Nancy L. Keating

Harvard University

Publications: 69

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