Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 935 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
United States
Jeffrey Cummings
Alzheimer's disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
237,246
77,969
0.329
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United States
Stephen G Ellis
cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
201,151
43,381
0.216
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Eugene Blackstone
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
196,691
61,639
0.313
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United States
Stanley L Hazen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
180,673
67,148
0.372
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Samir Kapadia
Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
164,986
72,602
0.440
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Randall Starling
cardiovascular
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,484
45,673
0.382
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Timothy A Chan
medicine
oncology
immunology
genomics
biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,187
75,433
0.661
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
Nissen Se
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,371
33,013
0.313
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United States
Ashok Agarwal, Hcld
Advanced online research on Male infertility
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101,438
34,782
0.343
* Total Citation Counts Rankings
Ranking Based On Selection: 10
United States
Kattan, Michael W
Statistical Prediction Models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90,112
25,332
0.281
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United States
Nancy M Albert
heart failure
nursing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,802
32,005
0.377
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
A Michael Lincoff
cardiology
cardiovascular
medicine
clinical trials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,415
14,229
0.189
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United States
Eric A Klein
Urologic oncology
prostate cancer
testis cancer
kidney cancer
bladder cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
73,533
21,907
0.298
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United Arab Emirates
Wael Almahmeed
Cardiology
Cardiovascular Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
69,946
35,712
0.511
* Total Citation Counts Rankings
Ranking Based On Selection: 15
United States
Jeffrey A Cohen
multiple sclerosis
MRI
clinical trials
outcome measures
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
69,360
27,547
0.397
* Total Citation Counts Rankings
Ranking Based On Selection: 16
United States
Gene Barnett
brain tumor
radiosurgery
trigeminal neuralgia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,264
37,593
0.585
* Total Citation Counts Rankings
Ranking Based On Selection: 17
United States
Mina Chung
Cardiology
cardiac electrophysiology
arrhythmias
genetics
genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,360
26,660
0.473
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United States
Jarek Maciejewski
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,067
19,656
0.370
* Total Citation Counts Rankings
Ranking Based On Selection: 19
United States
Dennis Stuehr
nitric oxide
heme proteins
flavoproteins
electron transfer
heme transport
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,396
5,286
0.101
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United States
Brian Rubin
Sarcoma
signal transduction
Hippo pathway
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,138
17,229
0.344
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United States
Feixiong Cheng
Alzheimer’s Disease
Cardio-Oncology
Drug Repurposing
Network Medicine
Systems Pharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,540
41,053
0.846
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United States
James Leverenz
Neurology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,019
24,494
0.510
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United States
Jonathan Smith
Biology
Genomics
Lipoproteins
Cholesterol
Atherosclerosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,003
15,180
0.316
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United States
Mohamed M Gad
Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,342
47,004
0.993
* Total Citation Counts Rankings
Ranking Based On Selection: 25
United States
Jihad Kaouk
Director
Center for Advanced Robotic and Minimally Invasive Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,121
11,915
0.258
* Total Citation Counts Rankings
Rankings
574
United States
222
1
Ranking Based On Selection: 1
Jeffrey Cummings
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
237,246
77,969
0.329
* Total Citation Counts Rankings
Rankings
832
United States
333
2
Ranking Based On Selection: 2
Stephen G Ellis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
201,151
43,381
0.216
* Total Citation Counts Rankings
Rankings
870
United States
354
3
Ranking Based On Selection: 3
Eugene Blackstone
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
196,691
61,639
0.313
* Total Citation Counts Rankings
Rankings
1,017
United States
425
4
Ranking Based On Selection: 4
Stanley L Hazen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
180,673
67,148
0.372
* Total Citation Counts Rankings
Rankings
1,220
United States
530
5
Ranking Based On Selection: 5
Samir Kapadia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
164,986
72,602
0.440
* Total Citation Counts Rankings
Rankings
2,257
United States
1,056
6
Ranking Based On Selection: 6
Randall Starling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,484
45,673
0.382
* Total Citation Counts Rankings
Rankings
2,480
United States
1,174
7
Ranking Based On Selection: 7
Timothy A Chan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,187
75,433
0.661
* Total Citation Counts Rankings
Rankings
2,917
United States
1,387
8
Ranking Based On Selection: 8
Nissen Se
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,371
33,013
0.313
* Total Citation Counts Rankings
Rankings
3,126
United States
1,494
9
Ranking Based On Selection: 9
Ashok Agarwal, Hcld
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101,438
34,782
0.343
Advanced online research on Male infertility
* Total Citation Counts Rankings
Rankings
3,920
United States
1,858
10
Ranking Based On Selection: 10
Kattan, Michael W
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90,112
25,332
0.281
Statistical Prediction Models
* Total Citation Counts Rankings
Rankings
4,312
United States
2,045
11
Ranking Based On Selection: 11
Nancy M Albert
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,802
32,005
0.377
* Total Citation Counts Rankings
Rankings
5,317
United States
2,515
12
Ranking Based On Selection: 12
A Michael Lincoff
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,415
14,229
0.189
cardiology
cardiovascular
medicine
clinical trials
* Total Citation Counts Rankings
Rankings
5,511
United States
2,611
13
Ranking Based On Selection: 13
Eric A Klein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
73,533
21,907
0.298
Urologic oncology
prostate cancer
testis cancer
kidney cancer
bladder cancer
* Total Citation Counts Rankings
Rankings
5,986
United Arab Emirates
5
1
Ranking Based On Selection: 14
Wael Almahmeed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
69,946
35,712
0.511
* Total Citation Counts Rankings
Rankings
6,075
United States
2,879
14
Ranking Based On Selection: 15
Jeffrey A Cohen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
69,360
27,547
0.397
multiple sclerosis
MRI
clinical trials
outcome measures
* Total Citation Counts Rankings
Rankings
6,871
United States
3,251
15
Ranking Based On Selection: 16
Gene Barnett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,264
37,593
0.585
brain tumor
radiosurgery
trigeminal neuralgia
* Total Citation Counts Rankings
Rankings
8,498
United States
4,046
16
Ranking Based On Selection: 17
Mina Chung
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,360
26,660
0.473
Cardiology
cardiac electrophysiology
arrhythmias
genetics
genomics
* Total Citation Counts Rankings
Rankings
9,349
United States
4,445
17
Ranking Based On Selection: 18
Jarek Maciejewski
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,067
19,656
0.370
* Total Citation Counts Rankings
Rankings
9,552
United States
4,534
18
Ranking Based On Selection: 19
Dennis Stuehr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,396
5,286
0.101
nitric oxide
heme proteins
flavoproteins
electron transfer
heme transport
* Total Citation Counts Rankings
Rankings
10,235
United States
4,859
19
Ranking Based On Selection: 20
Brian Rubin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,138
17,229
0.344
* Total Citation Counts Rankings
Rankings
10,745
United States
5,087
20
Ranking Based On Selection: 21
Feixiong Cheng
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,540
41,053
0.846
Alzheimer’s Disease
Cardio-Oncology
Drug Repurposing
Network Medicine
Systems Pharmacology
* Total Citation Counts Rankings
Rankings
10,934
United States
5,172
21
Ranking Based On Selection: 22
James Leverenz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,019
24,494
0.510
* Total Citation Counts Rankings
Rankings
10,941
United States
5,173
22
Ranking Based On Selection: 23
Jonathan Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,003
15,180
0.316
Biology
Genomics
Lipoproteins
Cholesterol
Atherosclerosis
* Total Citation Counts Rankings
Rankings
11,158
United States
5,272
23
Ranking Based On Selection: 24
Mohamed M Gad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,342
47,004
0.993
* Total Citation Counts Rankings
Rankings
11,642
United States
5,520
24
Ranking Based On Selection: 25
Jihad Kaouk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,121
11,915
0.258
Director
Center for Advanced Robotic and Minimally Invasive Surgery