World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
155
Citations
89886
World Ranking
969
National Ranking
554

John A. Baron 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 A. Baron 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: 748 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.

John A. Baron 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 A. Baron 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: 155 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Overview

John A. Baron is affiliated with the University of North Carolina at Chapel Hill in the United States. Their research primarily focuses on the field of medicine, with a significant concentration on oncology, pathology and forensic medicine, surgery, genetics, and pharmacology.

Their work encompasses several main topics, including:

  • Genetic factors in colorectal cancer
  • Colorectal cancer screening and detection
  • Inflammatory mediators and NSAID effects
  • Colorectal cancer treatments and studies
  • Cancer, lipids, and metabolism
  • Colorectal cancer surgical treatments
  • Gastric cancer management and outcomes

John A. Baron has contributed to research published in a variety of venues. Frequent publication outlets include:

  • UNC Libraries
  • Cancer Prevention Research
  • BMC Medicine
  • Cancer Epidemiology Biomarkers & Prevention
  • Physiology

Among their recent publications are:

  • Evaluation of a Deep Neural Network for Automated Classification of Colorectal Polyps on Histopathologic Slides (2020, JAMA Network Open)
  • Genetic architectures of proximal and distal colorectal cancer are partly distinct (2021, Gut)
  • Circulating bilirubin levels and risk of colorectal cancer: serological and Mendelian randomization analyses (2020, BMC Medicine)
  • Prior loss of body mass index, low body mass index, and central obesity independently contribute to higher rates of fractures in elderly women and men (2020, Journal of Bone and Mineral Research)
  • The impact and causal directions for the associations between diagnosis of ADHD, socioeconomic status, and intelligence by use of a bi-directional two-sample Mendelian randomization design (2022, BMC Medicine)

Collaboration is a prominent feature of their career. Frequent co-authors include:

  • Polly A. Newcomb
  • John L. Hopper
  • Noralane M. Lindor
  • Elizabeth L. Barry
  • Loïc Le Marchand

Best Publications

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

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

  • Tobacco smoke and involuntary smoking

    Michael Alavanja;John A. Baron;Ross C. Brownson;Patricia A. Buffler

  • prognosis of cancers associated with venous thromboembolism

    H. Sorensen;L. Mellemkjaer;J. Olsen;J. Baron

  • A randomized trial of aspirin to prevent colorectal adenomas

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

  • Vascular and upper gastrointestinal effects of non-steroidal anti-inflammatory drugs: Meta-analyses of individual participant data from randomised trials

    Colin Baigent;N. Bhala;J. Emberson;A. Merhi

  • Effect of calcium supplements on risk of myocardial infarction and cardiovascular events: meta-analysis

    Mark J Bolland;Alison Avenell;John A Baron;Andrew Grey

  • 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

  • Serrated Lesions of the Colorectum: Review and Recommendations From an Expert Panel

    Douglas K. Rex;Dennis J. Ahnen;John A. Baron;Kenneth P. Batts

  • 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

  • A Clinical Trial of Antioxidant Vitamins to Prevent Colorectal Adenoma

    E. Robert Greenberg;John A. Baron;Tor D. Tosteson;Daniel H. Freeman

  • Rates and outcomes of primary and revision total hip replacement in the United States medicare population.

    Nizar N. Mahomed;Jane A. Barrett;Jeffrey N. Katz;Charlotte B. Phillips

  • The accuracy of Medicare's hospital claims data: progress has been made, but problems remain.

    E S Fisher;F S Whaley;W M Krushat;D J Malenka

  • Aspirin and non-steroidal anti-inflammatory drugs for cancer prevention: an international consensus statement

    Jack Cuzick;Florian Otto;Florian Otto;John A Baron;Powel H Brown

  • The antiestrogenic effect of cigarette smoking in women

    John A. Baron;Carlo La Vecchia;Fabio Levi

  • Association Between Hospital and Surgeon Procedure Volume and Outcomes of Total Hip Replacement in the United States Medicare Population

    Jeffrey N. Katz;Elena Losina;Jane Barrett;Charlotte B. Phillips

  • Venous thromboembolism and cancer

    John A. Baron;John A. Baron;Gloria Gridley;Elisabete Vainio Weiderpass;Olof Nyrén

  • The epidemiology of diagnosed pulmonary embolism and deep venous thrombosis in the elderly

    W. D. Kniffin;John A. Baron;Jane Barrett;John D. Birkmeyer

  • Cancer risk after a hospital discharge diagnosis of endometriosis

    Louise A. Brinton;Gloria Gridley;Ingemar Persson;John Baron

  • 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

Polly A. Newcomb
Polly A. Newcomb Fred Hutchinson Cancer Research Center
Robert W. Haile
Robert W. Haile Stanford University
Robert S. Sandler
Robert S. Sandler University of North Carolina at Chapel Hill
John D. Potter
John D. Potter Massey University
Henrik Toft Sørensen
Henrik Toft Sørensen Aarhus University
John L. Hopper
John L. Hopper University of Melbourne
Dennis J. Ahnen
Dennis J. Ahnen University of Colorado Denver
Mark A. Jenkins
Mark A. Jenkins University of Melbourne
Hans-Olov Adami
Hans-Olov Adami Karolinska Institute

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