Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 799 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Long COVID
Clinical Epidemiology
Environmental Epidemiology
Pharmacoepidemiology
Nephrolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158,607
131,515
0.829
Get Full Access to Premium Data
* Total Citation Counts Rankings
Ranking Based On Selection: 2
PTS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,193
26,818
0.330
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,653
27,491
0.406
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Cancer Screening
Disease Prevention
Overdiagnosis and Treatment
Evidence Synthesi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,362
21,681
0.327
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,220
30,197
0.478
* Total Citation Counts Rankings
Ranking Based On Selection: 6
lupus
autoimmunity
rheumatic diseases
complex disease genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,875
20,145
0.331
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,021
20,358
0.424
* Total Citation Counts Rankings
Ranking Based On Selection: 8
geriatric heart failure
multiple chronic condition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,602
23,212
0.572
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Implementation Researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,857
28,209
0.726
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Ranking Based On Selection: 10
PTS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,432
22,171
0.609
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Population and Human Genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,643
21,186
0.649
* Total Citation Counts Rankings
Ranking Based On Selection: 12
colon
hepatitis
cancer
screening
Gastroenterolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,715
13,069
0.412
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,114
12,449
0.413
* Total Citation Counts Rankings
Ranking Based On Selection: 14
cell biology of estrogen actio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,181
4,428
0.157
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Cardiac preention
cardiac health services research
outcomes
quality of care
learning health care system
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,763
14,038
0.567
* Total Citation Counts Rankings
Ranking Based On Selection: 16
surger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,466
11,018
0.450
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Molecular Genetic Pathology
mostly retire
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,971
4,318
0.197
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Therapeutic endoscopy Health Research Mangemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,120
6,126
0.290
* Total Citation Counts Rankings
Ranking Based On Selection: 19
osteoporosis
systematic reviews
dementi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,062
8,712
0.414
* Total Citation Counts Rankings
Ranking Based On Selection: 20
traumatic stress
risk
preventio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,896
5,365
0.257
* Total Citation Counts Rankings
Ranking Based On Selection: 21
cardiovascular disease
epidemiology
systematic review
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,892
3,460
0.166
* Total Citation Counts Rankings
Ranking Based On Selection: 22
PTS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,822
12,416
0.596
* Total Citation Counts Rankings
Ranking Based On Selection: 23
mental health
veterans
suicidality
program evaluation
epidemiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,694
6,535
0.332
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Endoscopy
Gastrointestinal Cancer
Colon Cancer
Polyps
Imagin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,902
9,574
0.507
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,066
5,960
0.330
* Total Citation Counts Rankings
Rankings
1,376
593
1
Ranking Based On Selection: 1
Ziyad Al-Aly
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158,607
131,515
0.829
Long COVID
Clinical Epidemiology
Environmental Epidemiology
Pharmacoepidemiology
Nephrolog
* Total Citation Counts Rankings
Rankings
4,907
2,321
2
Ranking Based On Selection: 2
Terence M Keane
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,193
26,818
0.330
* Total Citation Counts Rankings
Rankings
6,673
3,138
3
Ranking Based On Selection: 3
Jonathan N Myers
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,653
27,491
0.406
* Total Citation Counts Rankings
Rankings
6,863
3,222
4
Ranking Based On Selection: 4
Timothy J Wilt
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,362
21,681
0.327
Cancer Screening
Disease Prevention
Overdiagnosis and Treatment
Evidence Synthesi
* Total Citation Counts Rankings
Rankings
7,419
3,493
5
Ranking Based On Selection: 5
Dawn Bravata
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,220
30,197
0.478
* Total Citation Counts Rankings
Rankings
7,889
3,728
6
Ranking Based On Selection: 6
John B Harley
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,875
20,145
0.331
lupus
autoimmunity
rheumatic diseases
complex disease genetic
* Total Citation Counts Rankings
Rankings
11,461
5,391
7
Ranking Based On Selection: 7
John Duda
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,021
20,358
0.424
* Total Citation Counts Rankings
Rankings
15,110
7,076
8
Ranking Based On Selection: 8
Ali Ahmed
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,602
23,212
0.572
geriatric heart failure
multiple chronic condition
* Total Citation Counts Rankings
Rankings
16,166
7,547
9
Ranking Based On Selection: 9
Laura Damschroder
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,857
28,209
0.726
* Total Citation Counts Rankings
Rankings
17,900
8,314
10
Ranking Based On Selection: 10
Brian Marx
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,432
22,171
0.609
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
21,164
9,717
11
Ranking Based On Selection: 11
Jennifer E Huffman
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,643
21,186
0.649
Population and Human Genetic
* Total Citation Counts Rankings
Rankings
22,165
10,168
12
Ranking Based On Selection: 12
Jason Dominitz
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,715
13,069
0.412
colon
hepatitis
cancer
screening
Gastroenterolog
* Total Citation Counts Rankings
Rankings
24,019
10,998
13
Ranking Based On Selection: 13
Jean Beckham
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,114
12,449
0.413
* Total Citation Counts Rankings
Rankings
26,511
12,072
14
Ranking Based On Selection: 14
Ellis R Levin
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,181
4,428
0.157
cell biology of estrogen actio
* Total Citation Counts Rankings
Rankings
32,103
14,435
15
Ranking Based On Selection: 15
Thomas M Maddox
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,763
14,038
0.567
Cardiac preention
cardiac health services research
outcomes
quality of care
learning health care system
* Total Citation Counts Rankings
Rankings
32,692
14,667
16
Ranking Based On Selection: 16
Kamal Itani
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,466
11,018
0.450
* Total Citation Counts Rankings
Rankings
38,085
16,906
17
Ranking Based On Selection: 17
Timothy O'Leary
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,971
4,318
0.197
Molecular Genetic Pathology
mostly retire
* Total Citation Counts Rankings
Rankings
40,287
17,725
18
Ranking Based On Selection: 18
Roy Soetikno
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,120
6,126
0.290
* Total Citation Counts Rankings
Rankings
40,464
17,812
19
Ranking Based On Selection: 19
Howard A Fink
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,062
8,712
0.414
* Total Citation Counts Rankings
Rankings
40,903
17,981
20
Ranking Based On Selection: 20
Eve Carlson
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,896
5,365
0.257
* Total Citation Counts Rankings
Rankings
40,915
17,988
21
Ranking Based On Selection: 21
Hanna Bloomfield
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,892
3,460
0.166
* Total Citation Counts Rankings
Rankings
41,121
18,069
22
Ranking Based On Selection: 22
Mark Webber Miller
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,822
12,416
0.596
* Total Citation Counts Rankings
Rankings
44,338
19,289
23
Ranking Based On Selection: 23
Rani A Hoff (Desai)
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,694
6,535
0.332
mental health
veterans
suicidality
program evaluation
epidemiolog
* Total Citation Counts Rankings
Rankings
46,912
20,300
24
Ranking Based On Selection: 24
Tonya Kaltenbach
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,902
9,574
0.507
* Total Citation Counts Rankings
Rankings
49,876
21,473
25
Ranking Based On Selection: 25
Paul Thuras
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,066
5,960
0.330