Citation Rankings
Highly Cited Researchers

Medical and Health Sciences Highly Cited Researchers 8.284 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.

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Total 8.284 scientists
* Total Citation Counts Rankings
Ranking Based On Selection: 1
United Kingdom
Alastair M Thompson
cancer
audit
surgery
breast
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
199,224
83,690
0.420
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Canada
John C Marshall
Sepsis
Innate Immunity
Apoptosis
Clinical Trials
Critical Care Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
183,742
71,042
0.387
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Hartzell V Schaff
cardiac surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
173,974
47,440
0.273
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Netherlands
Arie Pieter Kappetein
cardio-thoracic surgery
valve surgery
coronary
CABG
TAVI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
142,135
53,616
0.377
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Ernest E Moore
Surgery
Critical Care
Inflammation
Multiple Organ Failure
Coagulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135,933
42,111
0.310
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Michael Borger
Cardiac Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134,354
79,808
0.594
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Michael Sarr
Preventive Cardiology
atherosclerosis
coronary artery calcium
metabolic syndrome
electronic cigarettes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
132,106
66,344
0.502
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
Frank Sellke
cardiac surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
130,628
47,700
0.365
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United Kingdom
Ara Darzi
Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
118,029
49,176
0.417
* Total Citation Counts Rankings
Ranking Based On Selection: 10
United States
Charles J Yeo
surgery
pancreas
pancreatic
cancer
Whipple
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
117,659
28,031
0.238
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Romania
Ionut Negoi
Medicine
Surgery
Colorectal Surgery
Pancreatic Surgery
Global Surgery.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111,928
97,072
0.867
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
John P Kirwan
Diabetes
Obesity
Bariatric Surgery
Exercise
Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109,424
35,059
0.320
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Canada
Steven Gallinger
Surgery
Cancer
Genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,626
40,026
0.379
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Italy
Claudio Bassi
chirurgia pancreatica
oncologia
tumori del pancreas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,025
44,023
0.454
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Germany
John Neoptolemos
Pancreas and General Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96,275
32,758
0.340
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Germany
Markus Büchler
Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,254
25,063
0.263
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Canada
Carlos A Morillo
Arrhythmias
Ablation
Atrial Fibrillation
Chagas
Syncope
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,039
33,775
0.355
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United States
Robert Kormos
Cardiovascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,279
26,384
0.289
* Total Citation Counts Rankings
Ranking Based On Selection: 19
United States
Shane D Morrison
Gender-affirming surgery
transgender health
global health
medical education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90,290
81,642
0.904
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United Kingdom
Alun Huw Davies
vascular surgery
vascular biology
cost effectiveness
DVT
varicose veins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,046
35,971
0.409
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United States
Jack Roth
lung cancer
gene therapy
drug and immunotherapy resistance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,208
16,268
0.198
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United States
Christopher L Wolfgang
Hepatobiliary and Pancreatic Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,343
47,028
0.578
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United States
Jeffrey E Lee
Melanoma
Pancreas Cancer
Endocrine Tumors
Genetics
Biomarkers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,960
31,572
0.405
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United States
John Fung
transplantation
immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,577
10,404
0.138
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Italy
Massimo Falconi
pancreas
neuroendocrine neoplasm
cancer
surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
73,487
31,871
0.434
* Total Citation Counts Rankings
Rankings
850
United Kingdom
64
1
Ranking Based On Selection: 1
Alastair M Thompson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
199,224
83,690
0.420
* Total Citation Counts Rankings
Rankings
991
Canada
41
5
Ranking Based On Selection: 2
John C Marshall
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
183,742
71,042
0.387
Sepsis
Innate Immunity
Apoptosis
Clinical Trials
Critical Care Medicine
* Total Citation Counts Rankings
Rankings
1,099
United States
464
4
Ranking Based On Selection: 3
Hartzell V Schaff
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
173,974
47,440
0.273
* Total Citation Counts Rankings
Rankings
1,629
Netherlands
34
4
Ranking Based On Selection: 4
Arie Pieter Kappetein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
142,135
53,616
0.377
cardio-thoracic surgery
valve surgery
coronary
CABG
TAVI
* Total Citation Counts Rankings
Rankings
1,775
United States
797
4
Ranking Based On Selection: 5
Ernest E Moore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135,933
42,111
0.310
Surgery
Critical Care
Inflammation
Multiple Organ Failure
Coagulation
* Total Citation Counts Rankings
Rankings
1,818
United States
814
16
Ranking Based On Selection: 6
Michael Borger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134,354
79,808
0.594
* Total Citation Counts Rankings
Rankings
1,874
United States
845
9
Ranking Based On Selection: 7
Michael Sarr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
132,106
66,344
0.502
Preventive Cardiology
atherosclerosis
coronary artery calcium
metabolic syndrome
electronic cigarettes
* Total Citation Counts Rankings
Rankings
1,916
United States
866
3
Ranking Based On Selection: 8
Frank Sellke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
130,628
47,700
0.365
* Total Citation Counts Rankings
Rankings
2,321
United Kingdom
186
19
Ranking Based On Selection: 9
Ara Darzi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
118,029
49,176
0.417
* Total Citation Counts Rankings
Rankings
2,328
United States
1,092
1
Ranking Based On Selection: 10
Charles J Yeo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
117,659
28,031
0.238
* Total Citation Counts Rankings
Rankings
2,581
Romania
4
1
Ranking Based On Selection: 11
Ionut Negoi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111,928
97,072
0.867
Medicine
Surgery
Colorectal Surgery
Pancreatic Surgery
Global Surgery.
* Total Citation Counts Rankings
Rankings
2,699
United States
1,278
2
Ranking Based On Selection: 12
John P Kirwan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109,424
35,059
0.320
Diabetes
Obesity
Bariatric Surgery
Exercise
Nutrition
* Total Citation Counts Rankings
Rankings
2,904
Canada
111
19
Ranking Based On Selection: 13
Steven Gallinger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,626
40,026
0.379
* Total Citation Counts Rankings
Rankings
3,422
Italy
193
2
Ranking Based On Selection: 14
Claudio Bassi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,025
44,023
0.454
chirurgia pancreatica
oncologia
tumori del pancreas
* Total Citation Counts Rankings
Rankings
3,478
Germany
111
10
Ranking Based On Selection: 15
John Neoptolemos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96,275
32,758
0.340
* Total Citation Counts Rankings
Rankings
3,557
Germany
117
12
Ranking Based On Selection: 16
Markus Büchler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,254
25,063
0.263
* Total Citation Counts Rankings
Rankings
3,571
Canada
138
6
Ranking Based On Selection: 17
Carlos A Morillo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,039
33,775
0.355
Arrhythmias
Ablation
Atrial Fibrillation
Chagas
Syncope
* Total Citation Counts Rankings
Rankings
3,829
United States
1,812
18
Ranking Based On Selection: 18
Robert Kormos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,279
26,384
0.289
* Total Citation Counts Rankings
Rankings
3,903
United States
1,848
28
Ranking Based On Selection: 19
Shane D Morrison
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90,290
81,642
0.904
Gender-affirming surgery
transgender health
global health
medical education
* Total Citation Counts Rankings
Rankings
4,069
United Kingdom
330
30
Ranking Based On Selection: 20
Alun Huw Davies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,046
35,971
0.409
vascular surgery
vascular biology
cost effectiveness
DVT
varicose veins
* Total Citation Counts Rankings
Rankings
4,564
United States
2,166
17
Ranking Based On Selection: 21
Jack Roth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,208
16,268
0.198
lung cancer
gene therapy
drug and immunotherapy resistance
* Total Citation Counts Rankings
Rankings
4,656
United States
2,209
24
Ranking Based On Selection: 22
Christopher L Wolfgang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,343
47,028
0.578
* Total Citation Counts Rankings
Rankings
5,024
United States
2,378
19
Ranking Based On Selection: 23
Jeffrey E Lee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,960
31,572
0.405
Melanoma
Pancreas Cancer
Endocrine Tumors
Genetics
Biomarkers
* Total Citation Counts Rankings
Rankings
5,294
United States
2,501
29
Ranking Based On Selection: 24
John Fung
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,577
10,404
0.138
* Total Citation Counts Rankings
Rankings
5,518
Italy
301
5
Ranking Based On Selection: 25
Massimo Falconi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
73,487
31,871
0.434