University, Subject, Country, Region, World

World 205 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 Feb 02, 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 (870.053) 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 H IndexRankings
Ranking Based On Selection: 2
Michael V Johnston
Pediatric Neurology
Cerebral Palsy
Neuroprotection for Asphyxia
Rett Syndrome
Metrics
H-Index
i10 Index
Citation Counts
101
380
41,239
* Total H IndexRankings
Ranking Based On Selection: 3
Arvind Bagga
Hemolytic uremic syndrome
Pediatric Nephrology
Nephrotic syndrome
Acute kidney injury
Nephrology
Metrics
H-Index
i10 Index
Citation Counts
74
251
22,988
* Total H IndexRankings
Ranking Based On Selection: 5
Guido Filler
paediatric nephrology
renal transplantation
chronic kidney disease
Metrics
H-Index
i10 Index
Citation Counts
63
237
14,038
* Total H IndexRankings
Ranking Based On Selection: 6
Michael Zappitelli
Pediatric Nephrology
Acute Kidney Injury
Chronic Kidney Disease
Epidemiology
Metrics
H-Index
i10 Index
Citation Counts
62
149
16,676
* Total H IndexRankings
Ranking Based On Selection: 8
Stephen Marks
Paediatric nephrology and transplantation
Metrics
H-Index
i10 Index
Citation Counts
55
164
11,640
* Total H IndexRankings
Ranking Based On Selection: 9
Fatih Ozaltin
Pediatric Nephrology
Nephrogenetics
Pediatric Rheumatology
Metrics
H-Index
i10 Index
Citation Counts
51
113
11,014

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 IndexRankings
Ranking Based On Selection: 12
Claus Peter Schmitt
Pediatric Nephrology
CKD-MBD
Histidin-dipeptide metab. in CKD and DM
Metrics
H-Index
i10 Index
Citation Counts
48
142
6,651
* Total H IndexRankings
Ranking Based On Selection: 15
Il Soo Ha
Pediatric nephrology dialysis
Metrics
H-Index
i10 Index
Citation Counts
44
137
5,995
* Total H IndexRankings
Ranking Based On Selection: 16
R Todd Alexander
Renal Physiology
Kidney Stones
Pediatric Nephrology
Metrics
H-Index
i10 Index
Citation Counts
43
93
6,603
* Total H IndexRankings
Ranking Based On Selection: 19
Neveen A Soliman
Clinical Nephrology
Genetic and Inherited Kidney Diseases
Pediatric Nephrology
Metrics
H-Index
i10 Index
Citation Counts
40
62
6,895
* Total H IndexRankings
Ranking Based On Selection: 20
David A Long
kidney development and disease
vascular biology
Metrics
H-Index
i10 Index
Citation Counts
40
65
5,740
* Total H IndexRankings
Ranking Based On Selection: 22
Deborah Sival
pediatric neurology
movement disorders
developmental neurology
spina bifida
Metrics
H-Index
i10 Index
Citation Counts
37
84
3,880
* Total H IndexRankings
Ranking Based On Selection: 23
Martin Bitzan
Medicine
Pediatric Nephrology
Metrics
H-Index
i10 Index
Citation Counts
37
68
5,399
* Total H IndexRankings
Ranking Based On Selection: 24
Sabrina Yum
Pediatric Neurology
Neuromuscular diseases
Electrophysiology
Metrics
H-Index
i10 Index
Citation Counts
36
57
4,078
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Franz Schaefer
Metrics
H-Index
i10-Index
Citation Counts
103
503
51,771
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Michael V Johnston
Metrics
H-Index
i10-Index
Citation Counts
101
380
41,239
Pediatric Neurology
Cerebral Palsy
Neuroprotection for Asphyxia
Rett Syndrome
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Arvind Bagga
Metrics
H-Index
i10-Index
Citation Counts
74
251
22,988
Hemolytic uremic syndrome
Pediatric Nephrology
Nephrotic syndrome
Acute kidney injury
Nephrology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Mark Mackay
Metrics
H-Index
i10-Index
Citation Counts
67
164
73,680
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Guido Filler
Metrics
H-Index
i10-Index
Citation Counts
63
237
14,038
paediatric nephrology
renal transplantation
chronic kidney disease
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Michael Zappitelli
Metrics
H-Index
i10-Index
Citation Counts
62
149
16,676
Pediatric Nephrology
Acute Kidney Injury
Chronic Kidney Disease
Epidemiology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Rezan Topaloglu
Metrics
H-Index
i10-Index
Citation Counts
55
166
11,602
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Stephen Marks
Metrics
H-Index
i10-Index
Citation Counts
55
164
11,640
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Fatih Ozaltin
Metrics
H-Index
i10-Index
Citation Counts
51
113
11,014
Pediatric Nephrology
Nephrogenetics
Pediatric Rheumatology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Alfons Macaya
Metrics
H-Index
i10-Index
Citation Counts
50
141
10,742

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
Licia Peruzzi
Metrics
H-Index
i10-Index
Citation Counts
49
114
8,806
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Claus Peter Schmitt
Metrics
H-Index
i10-Index
Citation Counts
48
142
6,651
Pediatric Nephrology
CKD-MBD
Histidin-dipeptide metab. in CKD and DM
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Il Soo Ha
Metrics
H-Index
i10-Index
Citation Counts
44
137
5,995
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
R Todd Alexander
Metrics
H-Index
i10-Index
Citation Counts
43
93
6,603
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Stefanie Weber
Metrics
H-Index
i10-Index
Citation Counts
43
80
8,592
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Carolyn Abitbol
Metrics
H-Index
i10-Index
Citation Counts
43
107
7,829
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Neveen A Soliman
Metrics
H-Index
i10-Index
Citation Counts
40
62
6,895
Clinical Nephrology
Genetic and Inherited Kidney Diseases
Pediatric Nephrology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
David A Long
Metrics
H-Index
i10-Index
Citation Counts
40
65
5,740
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Salim Çalışkan
Metrics
H-Index
i10-Index
Citation Counts
38
80
5,838
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Deborah Sival
Metrics
H-Index
i10-Index
Citation Counts
37
84
3,880
pediatric neurology
movement disorders
developmental neurology
spina bifida
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Martin Bitzan
Metrics
H-Index
i10-Index
Citation Counts
37
68
5,399
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Sabrina Yum
Metrics
H-Index
i10-Index
Citation Counts
36
57
4,078
Pediatric Neurology
Neuromuscular diseases
Electrophysiology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Ali Anarat
Metrics
H-Index
i10-Index
Citation Counts
35
72
5,206