Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89,945
22,936
0.255
* Total Citation Counts Rankings
Ranking Based On Selection :2
Epidemiology
cardiovascular disease
risk factors
hypertension
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,188
22,072
0.393
* Total Citation Counts Rankings
Ranking Based On Selection :3
Colorectal Cancer Screening
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,097
14,947
0.373
* Total Citation Counts Rankings
Ranking Based On Selection :4
health services research
epidemiology
social movements
pharmacoepidemiology
biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,224
13,568
0.346
* Total Citation Counts Rankings
Ranking Based On Selection :5
Head and neck pathology
Endocrine organ pathology
Thyroid gland pathology
Sinonasal tract pathology
Larynx pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,489
14,550
0.434
* Total Citation Counts Rankings
Ranking Based On Selection :6
colorectal cancer
epidemiology
gastrointestinal cancers
pharmacoepidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,517
13,701
0.498
* Total Citation Counts Rankings
Ranking Based On Selection :7
epidemiology
HIV
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,438
13,923
0.527
* Total Citation Counts Rankings
Ranking Based On Selection :8
Telehealth
decision sciences
pediatrics
vaccines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,545
4,714
0.200
* Total Citation Counts Rankings
Ranking Based On Selection :9
obesity
diabetes
bariatric surgery
shared decision making
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,273
9,383
0.614
* Total Citation Counts Rankings
Ranking Based On Selection :10
biostatistics
vaccine safety
vaccine effectiveness
drug safety
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,105
5,700
0.404
* Total Citation Counts Rankings
Ranking Based On Selection :11
health services research
epidemiology
opioid overdose prevention
medical complications of drug use
criminal justice system a
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,949
8,638
0.619
* Total Citation Counts Rankings
Ranking Based On Selection :12
Nephrology
Glomerular Disease
Acute Kidney Injury
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,325
7,526
0.611
* Total Citation Counts Rankings
Ranking Based On Selection :13
health services research
diabetes
translational research
comparative effectiveness research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,260
4,811
0.392
* Total Citation Counts Rankings
Ranking Based On Selection :14
pharmacoepidemiology
pregnancy outcomes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,845
4,547
0.514
* Total Citation Counts Rankings
Ranking Based On Selection :15
Epidemiology
infectious diseases
public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,566
5,527
0.842
* Total Citation Counts Rankings
Ranking Based On Selection :16
biostatistics
spatial-temporal modeling
bayesian methods
electronic health record data
pragmatic clinical trials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,210
4,951
0.797
* Total Citation Counts Rankings
Ranking Based On Selection :17
Vaccines
vaccine safety and Infectious Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,398
4,546
0.842
* Total Citation Counts Rankings
Ranking Based On Selection :18
pediatrics
epidemiology
injury
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,126
2,639
0.515
* Total Citation Counts Rankings
Ranking Based On Selection :19
biostatistics
health studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,838
2,898
0.599
* Total Citation Counts Rankings
Ranking Based On Selection :20
immunology
resident education
critical care
sepsis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,352
3,244
0.745
* Total Citation Counts Rankings
Ranking Based On Selection :21
Medical Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,160
557
0.134
* Total Citation Counts Rankings
Ranking Based On Selection :22
Neurology
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,115
2,206
0.536
* Total Citation Counts Rankings
Ranking Based On Selection :23
Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,677
1,658
0.451
* Total Citation Counts Rankings
Ranking Based On Selection :24
Pediatrics
Neonatal Intensive Care
Perinatal Epidemiology
Health Services Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,526
2,235
0.634
* Total Citation Counts Rankings
Ranking Based On Selection :25
Shoulder Surgery
Registries
Sports Medicine
Leadership
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,476
2,372
0.682
Steven J Jacobsen
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89,945
22,936
0.255
Kristi Reynolds
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,188
22,072
0.393
Epidemiology
cardiovascular disease
risk factors
hypertension
Theodore Levin
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,097
14,947
0.373
Colorectal Cancer Screening
Bruce Fireman
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,224
13,568
0.346
health services research
epidemiology
social movements
pharmacoepidemiology
biostatistics
Lester D Thompson
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,489
14,550
0.434
Head and neck pathology
Endocrine organ pathology
Thyroid gland pathology
Sinonasal tract pathology
Larynx pathology
Douglas Corley
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,517
13,701
0.498
colorectal cancer
epidemiology
gastrointestinal cancers
pharmacoepidemiology
Michael Silverberg
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,438
13,923
0.527
Tracy Lieu
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,545
4,714
0.200
Telehealth
decision sciences
pediatrics
vaccines
David Arterburn
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,273
9,383
0.614
obesity
diabetes
bariatric surgery
shared decision making
Jennifer C Nelson
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,105
5,700
0.404
biostatistics
vaccine safety
vaccine effectiveness
drug safety
Ingrid Binswanger
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,949
8,638
0.619
health services research
epidemiology
opioid overdose prevention
medical complications of drug use
criminal justice system a
Ali Poyan Mehr
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,325
7,526
0.611
Nephrology
Glomerular Disease
Acute Kidney Injury
Julie Schmittdiel
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,260
4,811
0.392
health services research
diabetes
translational research
comparative effectiveness research
Sascha Dublin
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,845
4,547
0.514
pharmacoepidemiology
pregnancy outcomes
Sara Tartof
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,566
5,527
0.842
Epidemiology
infectious diseases
public health
Jennifer F Bobb
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,210
4,951
0.797
biostatistics
spatial-temporal modeling
bayesian methods
electronic health record data
pragmatic clinical trials
B Ackerson
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,398
4,546
0.842
Vaccines
vaccine safety and Infectious Diseases
Kieran Phelan
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,126
2,639
0.515
pediatrics
epidemiology
injury
Bing Han
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,838
2,898
0.599
biostatistics
health studies
Philip A Verhoef
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,352
3,244
0.745
immunology
resident education
critical care
sepsis
S Reisz-Porszasz
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,160
557
0.134
Aaron L Berkowitz
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,115
2,206
0.536
Albert Yuh-Jer Shen
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,677
1,658
0.451
Eileen M Walsh
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,526
2,235
0.634
Pediatrics
Neonatal Intensive Care
Perinatal Epidemiology
Health Services Research
Ronald Navarro
Kaiser Permanente
Oakland, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,476
2,372
0.682
Shoulder Surgery
Registries
Sports Medicine
Leadership