North America Scientist and University Rankings 2025

North America Medical and Health Sciences / Pediatric Gastroenterology 51 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Jan 31, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

Total 51 scientists, 33 country, 113 institution
* Total H IndexRankings
Ranking Based On Selection: 3
Simon Ling
Pediatric Gastroenterology
Hepatology & Nutrition
Metrics
H-Index
i10 Index
Citation Counts
49
120
11,317
* Total H IndexRankings
Ranking Based On Selection: 4
Christophe Faure
Pediatric Gastroenterology - Neurogastroenterology
Metrics
H-Index
i10 Index
Citation Counts
48
106
8,545
* Total H IndexRankings
Ranking Based On Selection: 5
Jessie M Hulst
Pediatric Nutrition
Gastroenterology
Malnutrition
nutritional assessment
Metrics
H-Index
i10 Index
Citation Counts
41
74
8,557
* Total H IndexRankings
Ranking Based On Selection: 6
Hien Quoc Huynh
pediatric gastronenterology
IBD
Eosinophilic esophagitis
Metrics
H-Index
i10 Index
Citation Counts
41
90
5,396
* Total H IndexRankings
Ranking Based On Selection: 7
J Decker Butzner
pediatric gastroenterology
celiac disease
Metrics
H-Index
i10 Index
Citation Counts
30
36
4,523
* Total H IndexRankings
Ranking Based On Selection: 8
Evelyn Hsu
Pediatric Liver Transplantation
Pediatric Hepatology
Pediatric Gastroenterology
Liver Allocation
Disparities
Metrics
H-Index
i10 Index
Citation Counts
25
47
2,012
* Total H IndexRankings
Ranking Based On Selection: 9
Valentina Discepoloph
Pediatric gastroenterology and mucosal immunology
Metrics
H-Index
i10 Index
Citation Counts
25
36
2,471

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* Total H IndexRankings
Ranking Based On Selection: 11
Seung Kim
Pediatric gastroenterology hepatology and nutrition
Metrics
H-Index
i10 Index
Citation Counts
19
35
1,124
* Total H IndexRankings
Ranking Based On Selection: 14
Toshifumi Yodoshi
Pediatric gastroenterology
NAFLD
NASH
Pediatric Hepatology
Metrics
H-Index
i10 Index
Citation Counts
13
16
468
* Total H IndexRankings
Ranking Based On Selection: 15
Catherine LarsonNath
Pediatric Gastroenterology
Heptatology
Nutrition and the Nutrition Care of Children
Metrics
H-Index
i10 Index
Citation Counts
12
15
534
* Total H IndexRankings
Ranking Based On Selection: 16
Mohammad Nasser Kabbany
Pediatric Gastroenterology and Hepatology
Metrics
H-Index
i10 Index
Citation Counts
12
13
1,010
* Total H IndexRankings
Ranking Based On Selection: 20
Mohit Kehar
Pediatric Gastroentrology and Hepatology
Metrics
H-Index
i10 Index
Citation Counts
11
11
640
* Total H IndexRankings
Ranking Based On Selection: 21
Dennis Spencer
Pediatric Gastroenterology
Microbiome
Microbial Pathogenesis
Academic Medicine
Metrics
H-Index
i10 Index
Citation Counts
9
9
462
* Total H IndexRankings
Ranking Based On Selection: 23
Jacob Robson
Pediatric Gastroenterology
eosinophilic esophagitis
cystic fibrosis
Metrics
H-Index
i10 Index
Citation Counts
8
8
283
* Total H IndexRankings
Ranking Based On Selection: 24
Jefferson N Brownell
Pediatric Gastroenterology
Nutrition
Pancreatology
Lymphatics
Metrics
H-Index
i10 Index
Citation Counts
8
8
274
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Stefano Guandalini
Metrics
H-Index
i10-Index
Citation Counts
66
143
20,503
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Mitchell B Cohen
Metrics
H-Index
i10-Index
Citation Counts
51
117
9,879
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Simon Ling
Metrics
H-Index
i10-Index
Citation Counts
49
120
11,317
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Christophe Faure
Metrics
H-Index
i10-Index
Citation Counts
48
106
8,545
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Jessie M Hulst
Metrics
H-Index
i10-Index
Citation Counts
41
74
8,557
Pediatric Nutrition
Gastroenterology
Malnutrition
nutritional assessment
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Hien Quoc Huynh
Metrics
H-Index
i10-Index
Citation Counts
41
90
5,396
pediatric gastronenterology
IBD
Eosinophilic esophagitis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
J Decker Butzner
Metrics
H-Index
i10-Index
Citation Counts
30
36
4,523
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Evelyn Hsu
Metrics
H-Index
i10-Index
Citation Counts
25
47
2,012
Pediatric Liver Transplantation
Pediatric Hepatology
Pediatric Gastroenterology
Liver Allocation
Disparities
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Valentina Discepoloph
Metrics
H-Index
i10-Index
Citation Counts
25
36
2,471
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Mitchell Shub
Metrics
H-Index
i10-Index
Citation Counts
20
20
1,459

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Seung Kim
Metrics
H-Index
i10-Index
Citation Counts
19
35
1,124
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Andreas Entenmann
Metrics
H-Index
i10-Index
Citation Counts
17
22
781
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Terry Hatch
Metrics
H-Index
i10-Index
Citation Counts
16
19
1,910
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Toshifumi Yodoshi
Metrics
H-Index
i10-Index
Citation Counts
13
16
468
Pediatric gastroenterology
NAFLD
NASH
Pediatric Hepatology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Catherine LarsonNath
Metrics
H-Index
i10-Index
Citation Counts
12
15
534
Pediatric Gastroenterology
Heptatology
Nutrition and the Nutrition Care of Children
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Mohammad Nasser Kabbany
Metrics
H-Index
i10-Index
Citation Counts
12
13
1,010
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
David S Vitale
Metrics
H-Index
i10-Index
Citation Counts
12
13
666
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Praveen Kumar Conjeevaram Selvakumar
Metrics
H-Index
i10-Index
Citation Counts
11
12
870
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Mala Setty
Metrics
H-Index
i10-Index
Citation Counts
11
11
1,695
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Mohit Kehar
Metrics
H-Index
i10-Index
Citation Counts
11
11
640
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Dennis Spencer
Metrics
H-Index
i10-Index
Citation Counts
9
9
462
Pediatric Gastroenterology
Microbiome
Microbial Pathogenesis
Academic Medicine
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Ojasvini Choudhry Chandan
Metrics
H-Index
i10-Index
Citation Counts
8
8
351
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Jacob Robson
Metrics
H-Index
i10-Index
Citation Counts
8
8
283
Pediatric Gastroenterology
eosinophilic esophagitis
cystic fibrosis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Jefferson N Brownell
Metrics
H-Index
i10-Index
Citation Counts
8
8
274
Pediatric Gastroenterology
Nutrition
Pancreatology
Lymphatics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Rajmohan Dharmaraj
Metrics
H-Index
i10-Index
Citation Counts
8
7
206