Citation Rankings
Highly Cited Researchers

World Highly Cited Researchers CitationMedical and Health Sciences / Health Sciences Rankings 2025

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 IndexUniversities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025

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Total 4.445 scientist
* Total Citation Counts Rankings
Ranking Based On Selection :1
United States
Gordon Mills
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
283,143
154,935
0.547
* Total Citation Counts Rankings
Ranking Based On Selection :2
United States
John E Ware, Jr
health status and well-being
quality of life
patient reported outcomes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
248,449
52,242
0.210
* Total Citation Counts Rankings
Ranking Based On Selection :3
Switzerland
Colin Mathers
health statistics
summary measures of population health
mortality
causes of death
global health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225,918
92,147
0.408
* Total Citation Counts Rankings
Ranking Based On Selection :4
United States
Mark Hlatky
Outcomes research
clinical trials
economic evaluation of cardiovascular interventions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225,595
100,742
0.447
* Total Citation Counts Rankings
Ranking Based On Selection :5
Lebanon
Elie Akl
Health Research Methodology
Infectious Diseases
guidelines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
214,226
172,281
0.804
* Total Citation Counts Rankings
Ranking Based On Selection :6
United States
David Bates
Patient safety
medication safety
medical informatics
quality
clinical decision support
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
165,518
48,125
0.291
* Total Citation Counts Rankings
Ranking Based On Selection :7
United States
Sanjiv Kaul
echocardiography
coronary physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
162,739
34,295
0.211
* Total Citation Counts Rankings
Ranking Based On Selection :8
United States
Paul Spellman
cancer genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
154,736
73,395
0.474
* Total Citation Counts Rankings
Ranking Based On Selection :9
United Arab Emirates
Samer Hamidi
Public Health
Health Systems
Health Quality
Health Financing
Smart Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143,543
123,150
0.858
* Total Citation Counts Rankings
Ranking Based On Selection :10
United States
Theodore Ganiats
Health services research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,421
49,267
0.353
* Total Citation Counts Rankings
Ranking Based On Selection :11
Norway
Adnan Kisa
health policy and economics
healthcare management
global burden of disease
hospital administration
health and economic devel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,084
123,273
0.886
* Total Citation Counts Rankings
Ranking Based On Selection :12
Pakistan
Ejaz Khan
Epidemiology
Environmental Health
systematic analyses
global burden of disease
Non Communicable Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,404
119,774
0.872
* Total Citation Counts Rankings
Ranking Based On Selection :13
United States
Richard Deyo
Back pain
shared decision-making
overuse of medical care
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
126,577
33,707
0.266
* Total Citation Counts Rankings
Ranking Based On Selection :14
Serbia
Mihajlo Jakovljevic
Health Economics
Emerging Markets
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
123,290
110,942
0.900
* Total Citation Counts Rankings
Ranking Based On Selection :15
Netherlands
André Knottnerus
health sciences
medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120,048
43,628
0.363
* Total Citation Counts Rankings
Ranking Based On Selection :16
United States
Mary Whooley
Health Services Research - Cardiovascular Disease - Clinical Informatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
116,028
47,557
0.410
* Total Citation Counts Rankings
Ranking Based On Selection :17
Germany
Ralf Schwarzer
health behavior
self-efficacy
social support
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99,464
37,426
0.376
* Total Citation Counts Rankings
Ranking Based On Selection :18
United States
Lisa Coussens
tumor immunobiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,620
40,469
0.415
* Total Citation Counts Rankings
Ranking Based On Selection :19
Australia
Khurshid Alam
Health Systems and management
Health Services Research
Health Financing
Health Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96,037
85,210
0.887
* Total Citation Counts Rankings
Ranking Based On Selection :20
Turkish Republic of Northern Cyprus
Yasir Waheed
Clinical Research
COVID-19
Virology
Molecular biology
Infectious Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94,746
91,257
0.963
* Total Citation Counts Rankings
Ranking Based On Selection :21
Australia
Charles Watson
brain anatomy
public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90,272
15,926
0.176
* Total Citation Counts Rankings
Ranking Based On Selection :22
Nigeria
Jacob Olusegun Olusanya
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,632
74,126
0.876
* Total Citation Counts Rankings
Ranking Based On Selection :23
United Kingdom
Robert West
Health Psychology
addiction
behaviour change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,765
41,212
0.498
* Total Citation Counts Rankings
Ranking Based On Selection :24
Spain
Jeffrey V Lazarus
Health systems
MASLD/MASH
viral hepatitis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,541
73,006
0.942
* Total Citation Counts Rankings
Ranking Based On Selection :25
United States
Albert W Wu
patient safety
quality of life
comparative effectiveness
HIV
second victim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,848
21,178
0.279
* Total Citation Counts Rankings
Rankings
250
United States
110
1
Ranking Based On Selection: 1
Gordon Mills
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
283,143
154,935
0.547
* Total Citation Counts Rankings
Rankings
414
United States
177
1
Ranking Based On Selection: 2
John E Ware, Jr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
248,449
52,242
0.210
health status and well-being
quality of life
patient reported outcomes
* Total Citation Counts Rankings
Rankings
587
Switzerland
12
1
Ranking Based On Selection: 3
Colin Mathers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225,918
92,147
0.408
health statistics
summary measures of population health
mortality
causes of death
global health
* Total Citation Counts Rankings
Rankings
589
United States
234
16
Ranking Based On Selection: 4
Mark Hlatky
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225,595
100,742
0.447
Outcomes research
clinical trials
economic evaluation of cardiovascular interventions
* Total Citation Counts Rankings
Rankings
654
Lebanon
1
1
Ranking Based On Selection: 5
Elie Akl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
214,226
172,281
0.804
Health Research Methodology
Infectious Diseases
guidelines
* Total Citation Counts Rankings
Rankings
1,122
United States
484
43
Ranking Based On Selection: 6
David Bates
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
165,518
48,125
0.291
Patient safety
medication safety
medical informatics
quality
clinical decision support
* Total Citation Counts Rankings
Rankings
1,163
United States
506
2
Ranking Based On Selection: 7
Sanjiv Kaul
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
162,739
34,295
0.211
* Total Citation Counts Rankings
Rankings
1,288
United States
573
3
Ranking Based On Selection: 8
Paul Spellman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
154,736
73,395
0.474
* Total Citation Counts Rankings
Rankings
1,487
United Arab Emirates
2
1
Ranking Based On Selection: 9
Samer Hamidi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143,543
123,150
0.858
Public Health
Health Systems
Health Quality
Health Financing
Smart Learning
* Total Citation Counts Rankings
Rankings
1,561
United States
699
18
Ranking Based On Selection: 10
Theodore Ganiats
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,421
49,267
0.353
* Total Citation Counts Rankings
Rankings
1,570
Norway
2
1
Ranking Based On Selection: 11
Adnan Kisa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,084
123,273
0.886
health policy and economics
healthcare management
global burden of disease
hospital administration
health and economic devel
* Total Citation Counts Rankings
Rankings
1,605
Pakistan
3
1
Ranking Based On Selection: 12
Ejaz Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,404
119,774
0.872
Epidemiology
Environmental Health
systematic analyses
global burden of disease
Non Communicable Diseases
* Total Citation Counts Rankings
Rankings
1,887
United States
867
5
Ranking Based On Selection: 13
Richard Deyo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
126,577
33,707
0.266
Back pain
shared decision-making
overuse of medical care
* Total Citation Counts Rankings
Rankings
1,980
Serbia
1
1
Ranking Based On Selection: 14
Mihajlo Jakovljevic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
123,290
110,942
0.900
* Total Citation Counts Rankings
Rankings
2,073
Netherlands
46
3
Ranking Based On Selection: 15
André Knottnerus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120,048
43,628
0.363
* Total Citation Counts Rankings
Rankings
2,214
United States
1,041
12
Ranking Based On Selection: 16
Mary Whooley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
116,028
47,557
0.410
Health Services Research - Cardiovascular Disease - Clinical Informatics
* Total Citation Counts Rankings
Rankings
3,004
Germany
94
2
Ranking Based On Selection: 17
Ralf Schwarzer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99,464
37,426
0.376
* Total Citation Counts Rankings
Rankings
3,108
United States
1,499
6
Ranking Based On Selection: 18
Lisa Coussens
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,620
40,469
0.415
* Total Citation Counts Rankings
Rankings
3,231
Australia
123
2
Ranking Based On Selection: 19
Khurshid Alam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96,037
85,210
0.887
Health Systems and management
Health Services Research
Health Financing
Health Economics
* Total Citation Counts Rankings
Rankings
3,322
Turkish Republic of Northern Cyprus
4
4
Ranking Based On Selection: 20
Yasir Waheed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94,746
91,257
0.963
Clinical Research
COVID-19
Virology
Molecular biology
Infectious Diseases
* Total Citation Counts Rankings
Rankings
3,630
Australia
139
1
Ranking Based On Selection: 21
Charles Watson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
90,272
15,926
0.176
* Total Citation Counts Rankings
Rankings
4,073
Nigeria
6
2
Ranking Based On Selection: 22
Jacob Olusegun Olusanya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,632
74,126
0.876
* Total Citation Counts Rankings
Rankings
4,201
United Kingdom
339
38
Ranking Based On Selection: 23
Robert West
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,765
41,212
0.498
* Total Citation Counts Rankings
Rankings
4,715
Spain
93
3
Ranking Based On Selection: 24
Jeffrey V Lazarus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,541
73,006
0.942
* Total Citation Counts Rankings
Rankings
4,931
United States
2,358
32
Ranking Based On Selection: 25
Albert W Wu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,848
21,178
0.279
patient safety
quality of life
comparative effectiveness
HIV
second victim