University, Subject, Country, Region, World

National Institutes of Health 8 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 01, 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: 1
Michael Lauer
cardiology
clinical research
epidemiology
grant funding
peer review
Metrics
H-Index
i10 Index
Citation Counts
108
288
87,078
* Total H IndexRankings
Ranking Based On Selection: 2
Andrew Arai
cardiology
cardiac MRI
myocardial infarction
myocardial perfusion
ischemia
Metrics
H-Index
i10 Index
Citation Counts
96
258
31,095
* Total H IndexRankings
Ranking Based On Selection: 3
Marcus Chen
Cardiology and Cardiovascular Imaging: CT
MRI
Metrics
H-Index
i10 Index
Citation Counts
55
142
11,875
* Total H IndexRankings
Ranking Based On Selection: 5
Kanishka Ratnayaka
Interventional Cardiac MRI
Congenital Heart Disease
Adult Congenital Heart Disease
Cardiac Catheterization
Metrics
H-Index
i10 Index
Citation Counts
26
53
2,014
* Total H IndexRankings
Ranking Based On Selection: 6
David W Schopfer
Cardiology
Outcomes
Health Services
Metrics
H-Index
i10 Index
Citation Counts
21
25
1,406
* Total H IndexRankings
Ranking Based On Selection: 7
Mark D Levin
pediatric cardiology
arrhythmia and sudden death mechanisms
cardiac electrophysiology
congenital heart disease
Metrics
H-Index
i10 Index
Citation Counts
16
18
1,081
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Michael Lauer
Metrics
H-Index
i10-Index
Citation Counts
108
288
87,078
cardiology
clinical research
epidemiology
grant funding
peer review
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Andrew Arai
Metrics
H-Index
i10-Index
Citation Counts
96
258
31,095
cardiology
cardiac MRI
myocardial infarction
myocardial perfusion
ischemia
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Marcus Chen
Metrics
H-Index
i10-Index
Citation Counts
55
142
11,875
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Jaffar M Khan
Metrics
H-Index
i10-Index
Citation Counts
32
68
3,253
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Kanishka Ratnayaka
Metrics
H-Index
i10-Index
Citation Counts
26
53
2,014
Interventional Cardiac MRI
Congenital Heart Disease
Adult Congenital Heart Disease
Cardiac Catheterization
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
David W Schopfer
Metrics
H-Index
i10-Index
Citation Counts
21
25
1,406
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Mark D Levin
Metrics
H-Index
i10-Index
Citation Counts
16
18
1,081
pediatric cardiology
arrhythmia and sudden death mechanisms
cardiac electrophysiology
congenital heart disease
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Thien Vu
Metrics
H-Index
i10-Index
Citation Counts
4
3
43
Cardiology
cardiac surgery
molecular biochemistry