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World 2,560 Scientists H-Index Medical and Health Sciences / Gastroenterology Rankings - 2026

This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.

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Total 2.560 scientist , Updates every 3 days
* Total H Index Rankings

Rankings

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448
World Rank
United States
162
Country Rank
University of California San Diego Logo
5
University
Ranking Based On Selection:
1
William Sandborn
University of California San Diego San Diego, United States
Medical and Health Sciences / Gastroenterology
Inflammatory bowel disease | Crohn's disease | ulcerative coliti

H-Index Metrics

  • Total
    218
  • Last 5 Years
    144
  • Last 5 Years / Total
    0.661
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* Total H Index Rankings

Rankings

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630
World Rank
Australia
9
Country Rank
University of Newcastle Logo
1
University
Ranking Based On Selection:
2
Nicholas Talley
University of Newcastle Callaghan, Australia
Medical and Health Sciences / Gastroenterology
Gastroenterology | Hepatolog

H-Index Metrics

  • Total
    204
  • Last 5 Years
    94
  • Last 5 Years / Total
    0.461
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* Total H Index Rankings

Rankings

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1,104
World Rank
Ireland
2
Country Rank
University College Cork Logo
1
University
Ranking Based On Selection:
3
John Cryan
University College Cork Cork, Ireland
Medical and Health Sciences / Gastroenterology
Neuropharmacology | stress | neurogastroenterology | microbiome | psychopharmacolog

H-Index Metrics

  • Total
    174
  • Last 5 Years
    138
  • Last 5 Years / Total
    0.793
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* Total H Index Rankings

Rankings

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1,237
World Rank
United States
503
Country Rank
Mayo Clinic Logo
5
University
Ranking Based On Selection:
4
Michael Camilleri
Mayo Clinic Rochester, United States
Medical and Health Sciences / Gastroenterology
gastroenterology | enteric neuroscienc

H-Index Metrics

  • Total
    169
  • Last 5 Years
    89
  • Last 5 Years / Total
    0.527
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* Total H Index Rankings

Rankings

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1,426
World Rank
United States
582
Country Rank
Baylor College of Medicine Logo
2
University
Ranking Based On Selection:
5
Hashem B El-Serag
Baylor College of Medicine Houston, United States
Medical and Health Sciences / Gastroenterology
medicine | gastroenterology and hepatolog

H-Index Metrics

  • Total
    163
  • Last 5 Years
    100
  • Last 5 Years / Total
    0.613
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* Total H Index Rankings

Rankings

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1,648
World Rank
Australia
47
Country Rank
University of Melbourne Logo
8
University
Ranking Based On Selection:
6
Michael Kamm
University of Melbourne Melbourne, Australia
Medical and Health Sciences / Gastroenterology
Gastroenterolog

H-Index Metrics

  • Total
    157
  • Last 5 Years
    72
  • Last 5 Years / Total
    0.459
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* Total H Index Rankings

Rankings

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1,781
World Rank
United States
746
Country Rank
University of California San Diego Logo
24
University
Ranking Based On Selection:
7
Rohit Loomba
University of California San Diego San Diego, United States
Medical and Health Sciences / Gastroenterology
MASLD | fatty liver | NASH | cirrhosis | liver diseas

H-Index Metrics

  • Total
    153
  • Last 5 Years
    138
  • Last 5 Years / Total
    0.902
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* Total H Index Rankings

Rankings

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2,277
World Rank
Canada
78
Country Rank
McMaster University Logo
12
University
Ranking Based On Selection:
8
Moayyedi Paul
McMaster University Hamilton, Canada
Medical and Health Sciences / Gastroenterology
Gastroenterology | Medicine | Evidence Based Medicin

H-Index Metrics

  • Total
    145
  • Last 5 Years
    94
  • Last 5 Years / Total
    0.648
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* Total H Index Rankings

Rankings

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2,513
World Rank
Hong Kong
24
Country Rank
Chinese University of Hong Kong Logo
5
University
Ranking Based On Selection:
9
Francis Kl Chan
Chinese University of Hong Kong Shatin, Hong Kong
Medical and Health Sciences / Gastroenterology
Gastroenterology | Medicin

H-Index Metrics

  • Total
    142
  • Last 5 Years
    91
  • Last 5 Years / Total
    0.641
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* Total H Index Rankings

Rankings

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2,530
World Rank
Germany
114
Country Rank
Johannes Gutenberg Universität Mainz Logo
1
University
Ranking Based On Selection:
10
Peter Galle
Johannes Gutenberg Universität Mainz Mainz, Germany
Medical and Health Sciences / Gastroenterology
Gastroenterolog

H-Index Metrics

  • Total
    142
  • Last 5 Years
    78
  • Last 5 Years / Total
    0.549
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* Total H Index Rankings

Rankings

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2,763
World Rank
United States
1,235
Country Rank
Mayo Clinic Logo
12
University
Ranking Based On Selection:
11
Edward V Loftus Jr
Mayo Clinic Rochester, United States
Medical and Health Sciences / Gastroenterology
Crohn's disease | ulcerative colitis | inflammatory bowel disease | inflammatory bowel disease

H-Index Metrics

  • Total
    139
  • Last 5 Years
    86
  • Last 5 Years / Total
    0.619
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* Total H Index Rankings

Rankings

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3,070
World Rank
Germany
131
Country Rank
Charité Universitätsmedizin Berlin Logo
4
University
Ranking Based On Selection:
12
Frank Tacke
Charité Universitätsmedizin Berlin Berlin, Germany
Medical and Health Sciences / Gastroenterology
Gastroenterology | Hepatology | Immunology | Infectious Diseases | Critical Care Medicin

H-Index Metrics

  • Total
    135
  • Last 5 Years
    101
  • Last 5 Years / Total
    0.748
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* Total H Index Rankings

Rankings

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3,978
World Rank
Germany
176
Country Rank
Heinrich Heine Universität Düsseldorf Logo
4
University
Ranking Based On Selection:
13
Dieter Häussinger
Heinrich Heine Universität Düsseldorf Düsseldorf, Germany
Medical and Health Sciences / Gastroenterology
Hepatologie | Zellbiologie | Gastroenterologi

H-Index Metrics

  • Total
    127
  • Last 5 Years
    61
  • Last 5 Years / Total
    0.480
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* Total H Index Rankings

Rankings

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4,689
World Rank
United States
2,143
Country Rank
University of Southern California Logo
18
University
Ranking Based On Selection:
14
Neil Kaplowitz
University of Southern California Los Angeles, United States
Medical and Health Sciences / Gastroenterology
Hepatolog

H-Index Metrics

  • Total
    122
  • Last 5 Years
    61
  • Last 5 Years / Total
    0.500
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* Total H Index Rankings

Rankings

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4,727
World Rank
Hong Kong
46
Country Rank
Chinese University of Hong Kong Logo
18
University
Ranking Based On Selection:
15
Siew C Ng
Chinese University of Hong Kong Shatin, Hong Kong
Medical and Health Sciences / Gastroenterology
Gastroenterology | Endoscopy | Medicin

H-Index Metrics

  • Total
    121
  • Last 5 Years
    99
  • Last 5 Years / Total
    0.818
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* Total H Index Rankings

Rankings

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5,261
World Rank
Hong Kong
55
Country Rank
University of Hong Kong Logo
13
University
Ranking Based On Selection:
16
Man Fung Yuen
University of Hong Kong Pokfulam, Hong Kong
Medical and Health Sciences / Gastroenterology
Hepatolog

H-Index Metrics

  • Total
    118
  • Last 5 Years
    71
  • Last 5 Years / Total
    0.602
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* Total H Index Rankings

Rankings

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5,614
World Rank
United States
2,551
Country Rank
Icahn School of Medicine at Mount Sinai Logo
13
University
Ranking Based On Selection:
17
Bruce E. Sands
Icahn School of Medicine at Mount Sinai New York, United States
Medical and Health Sciences / Gastroenterology
Gastroenterology | inflammatory bowel diseas

H-Index Metrics

  • Total
    116
  • Last 5 Years
    88
  • Last 5 Years / Total
    0.759
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* Total H Index Rankings

Rankings

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5,722
World Rank
United Kingdom
486
Country Rank
University College London Logo
55
University
Ranking Based On Selection:
18
Massimo Pinzani
University College London London, United Kingdom
Medical and Health Sciences / Gastroenterology
hepatology | chronic liver disease | tissue fibrosis | regenerative medicin

H-Index Metrics

  • Total
    116
  • Last 5 Years
    59
  • Last 5 Years / Total
    0.509
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* Total H Index Rankings

Rankings

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5,884
World Rank
Italy
300
Country Rank
Università degli Studi di Palermo Logo
1
University
Ranking Based On Selection:
19
Antonio Craxi
Università degli Studi di Palermo Palermo, Italy
Medical and Health Sciences / Gastroenterology
Hepatology - Gastroenterolog

H-Index Metrics

  • Total
    115
  • Last 5 Years
    68
  • Last 5 Years / Total
    0.591
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* Total H Index Rankings

Rankings

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6,691
World Rank
Poland
17
Country Rank
Medical University of Warsaw Logo
1
University
Ranking Based On Selection:
20
Hania Szajewska
Medical University of Warsaw Warsaw, Poland
Medical and Health Sciences / Pediatric Gastroenterology
Paediatric nutrition | gastroenterology | evidence-based medicin

H-Index Metrics

  • Total
    111
  • Last 5 Years
    74
  • Last 5 Years / Total
    0.667
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* Total H Index Rankings

Rankings

flag
6,697
World Rank
United States
3,033
Country Rank
University of Michigan Logo
54
University
Ranking Based On Selection:
21
Robert J Fontana
University of Michigan Ann Arbor, United States
Medical and Health Sciences / Gastroenterology
hepatolog

H-Index Metrics

  • Total
    111
  • Last 5 Years
    72
  • Last 5 Years / Total
    0.649
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* Total H Index Rankings

Rankings

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6,966
World Rank
United Kingdom
603
Country Rank
University of Edinburgh Logo
19
University
Ranking Based On Selection:
22
Jack Satsangi
University of Edinburgh Edinburgh, United Kingdom
Medical and Health Sciences / Gastroenterology
Gastroenterology

H-Index Metrics

  • Total
    110
  • Last 5 Years
    66
  • Last 5 Years / Total
    0.600
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* Total H Index Rankings

Rankings

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7,656
World Rank
Canada
302
Country Rank
University of Alberta Logo
18
University
Ranking Based On Selection:
23
Juan G Abraldes
University of Alberta Edmonton, Canada
Medical and Health Sciences / Gastroenterology
Cirrhosis | portal hypertension | live

H-Index Metrics

  • Total
    107
  • Last 5 Years
    77
  • Last 5 Years / Total
    0.720
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* Total H Index Rankings

Rankings

flag
7,728
World Rank
United States
3,488
Country Rank
University of Pittsburgh Logo
51
University
Ranking Based On Selection:
24
David Whitcomb
University of Pittsburgh Pittsburgh, United States
Medical and Health Sciences / Gastroenterology
medicine | gastroenterology | pancreatitis | genetics | personalized medicin

H-Index Metrics

  • Total
    107
  • Last 5 Years
    66
  • Last 5 Years / Total
    0.617
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* Total H Index Rankings

Rankings

flag
7,885
World Rank
United States
3,559
Country Rank
Virginia Commonwealth University Logo
6
University
Ranking Based On Selection:
25
Jasmohan Bajaj
Virginia Commonwealth University Richmond, United States
Medical and Health Sciences / Gastroenterology
Hepatolog

H-Index Metrics

  • Total
    106
  • Last 5 Years
    84
  • Last 5 Years / Total
    0.792
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