Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as Scientists Last 6 Years' i10 Index, Universities Total i10 Index Rankings 2025, Universities Last 6 Years' i10 Index Rankings 2025, Art and Humanities i10 Productivity Rankings, and Social Sciences and Humanities i10 Productivity Rankings.
* Total i10 IndexRankings
Ranking Based On Selection :1
Gastroenterology
Medicine
Evidence Based Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
379
264
0.697
* Total i10 IndexRankings
Ranking Based On Selection :2
Gastroenterology
Second interest
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
362
116
0.320
* Total i10 IndexRankings
Ranking Based On Selection :3
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
266
127
0.477
* Total i10 IndexRankings
Ranking Based On Selection :4
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
254
114
0.449
* Total i10 IndexRankings
Ranking Based On Selection :5
gastrointestinal motility
interstitial cells of Cajal
autonomic nervous system
gastroenterology
neurogastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
89
0.443
* Total i10 IndexRankings
Ranking Based On Selection :6
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
150
0.838
* Total i10 IndexRankings
Ranking Based On Selection :7
gastroenterology
microbiota-gut brain axis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
112
0.848
* Total i10 IndexRankings
Ranking Based On Selection :8
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
66
0.733
* Total i10 IndexRankings
Ranking Based On Selection :9
Evidence-Based Gastroenterology
Meta-analysis
Advanced Endoscopy
Upper GI malignant and pre-malignant pathologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
38
0.792
* Total i10 IndexRankings
Ranking Based On Selection :10
Neurogastroenterology and motility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
25
0.781
* Total i10 IndexRankings
Ranking Based On Selection :11
digestive diseases
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
* Total i10 IndexRankings
Ranking Based On Selection :12
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 IndexRankings
Ranking Based On Selection :13
Gastroenterology
NSAIDs
Helicobacter
Pharmacology
Immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
5
0.278
* Total i10 IndexRankings
Ranking Based On Selection :14
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
* Total i10 IndexRankings
Ranking Based On Selection :15
gastroenterology
neurophysiology
behaviour
gut-brain axis
aging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total i10 IndexRankings
Ranking Based On Selection :16
Gastroenterology
Pharmacology
Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :17
Gastroenterology
Artificial Intelligence
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Moayyedi Paul
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
379
264
0.697
Gastroenterology
Medicine
Evidence Based Medicine
Richard Hunt
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
362
116
0.320
Gastroenterology
Second interest
Stephen M Collins
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
266
127
0.477
David Armstrong
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
254
114
0.449
Jan D Huizinga
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
89
0.443
gastrointestinal motility
interstitial cells of Cajal
autonomic nervous system
gastroenterology
neurogastroenterology
Elena F Verdu
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
150
0.838
Bercik Premysl
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
112
0.848
gastroenterology
microbiota-gut brain axis
Grigorios I Leontiadis
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
66
0.733
M Yaghoobi
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
38
0.792
Evidence-Based Gastroenterology
Meta-analysis
Advanced Endoscopy
Upper GI malignant and pre-malignant pathologies
Jihong Chen Md
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
25
0.781
Neurogastroenterology and motility
Bj Salena
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
digestive diseases
gastroenterology
Huaqing Wang
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
Ireneusz Padol
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
5
0.278
Gastroenterology
NSAIDs
Helicobacter
Pharmacology
Immunology
Subhas Chandra Ganguli
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
Christine West
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
gastroenterology
neurophysiology
behaviour
gut-brain axis
aging
Amer Hussain
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Gastroenterology
Pharmacology
Physiology
Kayla Dadgar
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Gastroenterology
Artificial Intelligence