World's Best Scientists 2026 revealed!
Paul Moayyedi

Paul Moayyedi

Award Badge
Medicine
Canada
2023

D-Index & Metrics

Medicine

D-Index
138
Citations
66770
World Ranking
1838
National Ranking
66

Paul Moayyedi 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 Paul Moayyedi 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: 738 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.

Paul Moayyedi 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 Paul Moayyedi 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: 138 D-Index — 91st percentile

91% 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

  • 2023 - Research.com Medicine in Canada Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Internal medicine
  • Surgery
  • Disease

Paul Moayyedi mostly deals with Internal medicine, Gastroenterology, Meta-analysis, Placebo and Irritable bowel syndrome. His research investigates the connection between Internal medicine and topics such as Surgery that intersect with issues in Library science. His Gastroenterology study incorporates themes from Intensive care medicine, Consensus conference and Reflux, Disease, GERD.

His Meta-analysis research includes themes of Odds ratio, Treatment outcome, Sex factors and Pharmacology. His research in Placebo intersects with topics in Rifaximin, Adverse effect, Ulcerative colitis, Confidence interval and Proton-pump inhibitor. His work carried out in the field of Irritable bowel syndrome brings together such families of science as Physical therapy, Abdominal pain, Quality of life and Eluxadoline.

His most cited work include:

  • Management of Helicobacter pylori infection—the Maastricht V/Florence Consensus Report (1149 citations)
  • British Society of Gastroenterology guidelines on the diagnosis and management of Barrett's oesophagus (780 citations)
  • Fecal Microbiota Transplantation Induces Remission in Patients With Active Ulcerative Colitis in a Randomized Controlled Trial (750 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of investigation include Internal medicine, Gastroenterology, Meta-analysis, Helicobacter pylori and Randomized controlled trial. His Internal medicine study combines topics from a wide range of disciplines, such as Placebo and Surgery. In his study, which falls under the umbrella issue of Surgery, Odds ratio is strongly linked to Confidence interval.

His research investigates the link between Gastroenterology and topics such as Inflammatory bowel disease that cross with problems in Ulcerative colitis. His Helicobacter pylori research is multidisciplinary, incorporating elements of Cancer and Proton-pump inhibitor. His biological study spans a wide range of topics, including Systematic review and Physical therapy.

He most often published in these fields:

  • Internal medicine (66.46%)
  • Gastroenterology (40.91%)
  • Meta-analysis (18.18%)

What were the highlights of his more recent work (between 2016-2021)?

  • Internal medicine (66.46%)
  • Gastroenterology (40.91%)
  • Randomized controlled trial (16.46%)

In recent papers he was focusing on the following fields of study:

Paul Moayyedi mainly investigates Internal medicine, Gastroenterology, Randomized controlled trial, Meta-analysis and Irritable bowel syndrome. His research links Placebo with Internal medicine. The Placebo study combines topics in areas such as Rifaximin and Pantoprazole.

He works in the field of Gastroenterology, focusing on Helicobacter pylori in particular. As a part of the same scientific study, Paul Moayyedi usually deals with the Helicobacter pylori, concentrating on Proton-pump inhibitor and frequently concerns with Aspirin. The study incorporates disciplines such as Eluxadoline and Constipation in addition to Irritable bowel syndrome.

Between 2016 and 2021, his most popular works were:

  • Management of Helicobacter pylori infection—the Maastricht V/Florence Consensus Report (1149 citations)
  • Probiotic Bifidobacterium longum NCC3001 Reduces Depression Scores and Alters Brain Activity: A Pilot Study in Patients With Irritable Bowel Syndrome. (253 citations)
  • ACG and CAG Clinical Guideline: Management of Dyspepsia (193 citations)

In his most recent research, the most cited papers focused on:

  • Internal medicine
  • Disease
  • Cancer

Paul Moayyedi focuses on Internal medicine, Randomized controlled trial, Meta-analysis, Relative risk and Irritable bowel syndrome. His work deals with themes such as Gastroenterology and Placebo, which intersect with Internal medicine. His Randomized controlled trial study incorporates themes from Guideline, Disease and Intensive care medicine.

His Meta-analysis research includes elements of Systematic review and Gluten free. His Relative risk research incorporates elements of Physical therapy and Clinical trial. His studies deal with areas such as Lubiprostone, Constipation and Blinding as well as Irritable bowel syndrome.

Best Publications

  • Management of Helicobacter pylori infection—the Maastricht V/Florence Consensus Report

    P. Malfertheiner;F. Mégraud;C. O'Morain;Javier Gisbert

  • Fecal Microbiota Transplantation Induces Remission in Patients With Active Ulcerative Colitis in a Randomized Controlled Trial

    Paul Moayyedi;Michael G. Surette;Peter T. Kim;Peter T. Kim;Josie Libertucci

  • British Society of Gastroenterology guidelines on the diagnosis and management of Barrett's oesophagus

    Rebecca C Fitzgerald;Massimiliano di Pietro;Krish Ragunath;Yeng Ang

  • American gastroenterological association institute guideline on the diagnosis and management of asymptomatic neoplastic pancreatic cysts.

    Santhi Swaroop Vege;Barry Ziring;Rajeev Jain;Paul Moayyedi

  • The efficacy of probiotics in the treatment of irritable bowel syndrome: a systematic review

    Paul Moayyedi;Alexander Charles Ford;Nicholas J Talley;Filippo Cremonini

  • The Toronto Consensus for the Treatment of Helicobacter pylori Infection in Adults

    Carlo A. Fallone;Naoki Chiba;Naoki Chiba;Sander Veldhuyzen van Zanten;Lori Fischbach

  • An Evidence-Based Position Statement on the Management of Irritable Bowel Syndrome

    Lawrence J. Brandt;William D. Chey;Amy E. Foxx-Orenstein;Eammon M M Quigley

  • Probiotic Bifidobacterium longum NCC3001 Reduces Depression Scores and Alters Brain Activity: A Pilot Study in Patients With Irritable Bowel Syndrome.

    Maria Ines Pinto-Sanchez;Geoffrey B. Hall;Kathy Ghajar;Andrea Nardelli

  • Efficacy of prebiotics, probiotics, and synbiotics in irritable bowel syndrome and chronic idiopathic constipation: systematic review and meta-analysis.

    Alexander C Ford;Eamonn M M Quigley;Brian E Lacy;Anthony J Lembo

  • Systematic Review of the Risk of Enteric Infection in Patients Taking Acid Suppression

    Jennifer Leonard;John K Marshall;Paul Moayyedi

  • Effect of fibre, antispasmodics, and peppermint oil in the treatment of irritable bowel syndrome: systematic review and meta-analysis

    Alexander C Ford;Nicholas J Talley;Brennan M R Spiegel;Amy E Foxx-Orenstein

  • Efficacy of antidepressants and psychological therapies in irritable bowel syndrome: systematic review and meta-analysis

    Alexander Charles Ford;Nicholas J Talley;Philip S Schoenfeld;Eamonn Mm Quigley

  • Eradication of Helicobacter pylori for non‐ulcer dyspepsia

    Paul Moayyedi;Shelly Soo;Jonathan J Deeks;Brendan Delaney

  • Frozen vs Fresh Fecal Microbiota Transplantation and Clinical Resolution of Diarrhea in Patients With Recurrent Clostridium difficile Infection: A Randomized Clinical Trial.

    Christine H. Lee;Christine H. Lee;Theodore Steiner;Elaine O. Petrof;Marek Smieja;Marek Smieja

  • Efficacy of biological therapies in inflammatory bowel disease: systematic review and meta-analysis.

    Alexander C Ford;William J Sandborn;Khurram J Khan;Stephen B Hanauer

  • Antibiotic Therapy in Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis

    Khurram J Khan;Thomas A Ullman;Alexander C Ford;Maria T Abreu

  • Helicobacter pylori eradication therapy to prevent gastric cancer in healthy asymptomatic infected individuals: systematic review and meta-analysis of randomised controlled trials

    Alexander C Ford;Alexander C Ford;David Forman;Richard H Hunt;Yuhong Yuan

  • American College of Gastroenterology monograph on the management of irritable bowel syndrome and chronic idiopathic constipation.

    Alexander C Ford;Paul Moayyedi;Brian E Lacy;Anthony J Lembo

  • ACG and CAG Clinical Guideline: Management of Dyspepsia

    Paul M Moayyedi;Brian E Lacy;Christopher N Andrews;Robert A Enns

  • Pharmacological interventions for non‐ulcer dyspepsia

    Paul Moayyedi;Soo Shelly;Jonathan J Deeks;Brendan Delaney

Frequent Co-Authors

Alexander C. Ford
Alexander C. Ford University of Leeds
Nicholas J. Talley
Nicholas J. Talley University of Newcastle Australia
Janusz Jankowski
Janusz Jankowski University College of Osteopathy
David Forman
David Forman International Agency For Research On Cancer
Eamonn Martin Quigley
Eamonn Martin Quigley Cornell University
Nimish Vakil
Nimish Vakil University of Wisconsin–Madison
Colin W. Howden
Colin W. Howden University of Tennessee Health Science Center
Richard H. Hunt
Richard H. Hunt McMaster University
Michael G. Surette
Michael G. Surette McMaster University
Stephen M. Collins
Stephen M. Collins McMaster University

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

For students considering alternative or complementary pathways to studying Medicine in the USA, a range of online degrees can open doors to exciting health careers. Online programs offer the flexibility to study while working or managing personal commitments, and many are now more affordable than ever.

Those interested in leadership roles within hospitals and clinics should explore the cheapest online mha programs for a cost-effective route to a Master’s in Healthcare Administration. If you’re a nurse aiming to advance your practice, a 1 year dnp program online can accelerate your path to a terminal nursing degree.

Pharmacy careers are also evolving, with several accredited pharm d online programs available for students seeking a flexible Doctor of Pharmacy qualification. Meanwhile, the demand for health data experts is rising, making healthcare informatics degree programs a valuable option for those interested in the intersection of technology and healthcare.

Whether your goal is direct patient care, health administration, pharmacy, or informatics, these online degrees can provide both specialized skills and enhanced career opportunities within the growing healthcare sector.

Best Scientists Citing Paul Moayyedi

Trending Scientists

Recently Published Articles