World Scientist and University Rankings 2025

Canada Medical and Health Sciences / Epidemiology and Public Health 427 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Feb 01, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (870.053) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

Total 427 scientists, 1 country, 49 institution
* Total H IndexRankings
Ranking Based On Selection: 1
Gordon Guyatt
Evidence-based medicine
Metrics
H-Index
i10 Index
Citation Counts
306
1,678
603,120
* Total H IndexRankings
Ranking Based On Selection: 2
Holger Schünemann
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guidelines
Metrics
H-Index
i10 Index
Citation Counts
201
815
349,787
* Total H IndexRankings
Ranking Based On Selection: 4
R Brian Haynes
clinical epidemiology
evidence-based knowledge translation
Metrics
H-Index
i10 Index
Citation Counts
132
455
136,641
* Total H IndexRankings
Ranking Based On Selection: 5
Amit X. Garg
Kidney diseases
Kidney Donation
Clinical research
Metrics
H-Index
i10 Index
Citation Counts
129
614
79,183
* Total H IndexRankings
Ranking Based On Selection: 6
Ian Janssen
physical activity
sedentary behavior
children
epidemiology
public health
Metrics
H-Index
i10 Index
Citation Counts
122
320
89,550
* Total H IndexRankings
Ranking Based On Selection: 7
Madhukar Pai
Tuberculosis
Global Health
Public Health
Infectious Diseases
Metrics
H-Index
i10 Index
Citation Counts
122
487
62,130
* Total H IndexRankings
Ranking Based On Selection: 8
Geoffrey Norman
Cognitive science
education
Metrics
H-Index
i10 Index
Citation Counts
113
318
78,368
* Total H IndexRankings
Ranking Based On Selection: 9
Eduardo L Franco
epidemiology
cancer prevention
human papillomavirus infection
Metrics
H-Index
i10 Index
Citation Counts
112
430
53,622
* Total H IndexRankings
Ranking Based On Selection: 10
Malcolm Sears
asthma
allergy
epidemiology
respiratory diseases
Metrics
H-Index
i10 Index
Citation Counts
111
312
54,474

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H IndexRankings
Ranking Based On Selection: 11
Jeffrey A Johnson
Diabetes
health services and policy research
epidemiology
public health
Metrics
H-Index
i10 Index
Citation Counts
109
445
53,667
* Total H IndexRankings
Ranking Based On Selection: 13
Herman W Barkema
epidemiology
dairy
one health
antimicrobial resistance
mastitis
Metrics
H-Index
i10 Index
Citation Counts
103
366
41,811
* Total H IndexRankings
Ranking Based On Selection: 15
Mark Tyndall
Public Health
Human Rights
Harm Reduction
HIV
Infectious Diseases
Metrics
H-Index
i10 Index
Citation Counts
99
255
28,810
* Total H IndexRankings
Ranking Based On Selection: 16
Teresa To
Epidemiology
asthma
chronic respiratory diseases
outcomes research
Metrics
H-Index
i10 Index
Citation Counts
95
320
36,470
* Total H IndexRankings
Ranking Based On Selection: 17
Nrc Campbell
salt
sodium
hypertension
cardiovascular
public health
Metrics
H-Index
i10 Index
Citation Counts
95
387
32,707
* Total H IndexRankings
Ranking Based On Selection: 19
John R Mclaughlin
epidemiology
public health
disease prevention
Metrics
H-Index
i10 Index
Citation Counts
93
302
46,936
* Total H IndexRankings
Ranking Based On Selection: 20
Julian Little
epidemiology
genetics
cancer
congenital anomalies
Metrics
H-Index
i10 Index
Citation Counts
87
312
56,552
* Total H IndexRankings
Ranking Based On Selection: 21
Martin T Schechter
HIV/AIDS
addiction
clinical epidemiology
clinical trials
population health
Metrics
H-Index
i10 Index
Citation Counts
87
307
28,711
* Total H IndexRankings
Ranking Based On Selection: 22
Pierre Ernst
Epidemiology
Pharmacoepidemiology
Asthma
COPD
Metrics
H-Index
i10 Index
Citation Counts
86
233
28,475
* Total H IndexRankings
Ranking Based On Selection: 23
Zahid Ahmad Butt
Epidemiology
Public Health
Global Health
Syndemics
Metrics
H-Index
i10 Index
Citation Counts
85
156
148,419
* Total H IndexRankings
Ranking Based On Selection: 25
Pierre Côté
Epidemiology
rehabilitation
musculoskeletal disorders
disability
functioning
Metrics
H-Index
i10 Index
Citation Counts
84
268
36,211
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Gordon Guyatt
Metrics
H-Index
i10-Index
Citation Counts
306
1,678
603,120
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Holger Schünemann
Metrics
H-Index
i10-Index
Citation Counts
201
815
349,787
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guidelines
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Peter Tugwell
Metrics
H-Index
i10-Index
Citation Counts
187
847
391,826
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
R Brian Haynes
Metrics
H-Index
i10-Index
Citation Counts
132
455
136,641
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Amit X. Garg
Metrics
H-Index
i10-Index
Citation Counts
129
614
79,183
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Ian Janssen
Metrics
H-Index
i10-Index
Citation Counts
122
320
89,550
physical activity
sedentary behavior
children
epidemiology
public health
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Madhukar Pai
Metrics
H-Index
i10-Index
Citation Counts
122
487
62,130
Tuberculosis
Global Health
Public Health
Infectious Diseases
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Geoffrey Norman
Metrics
H-Index
i10-Index
Citation Counts
113
318
78,368
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Eduardo L Franco
Metrics
H-Index
i10-Index
Citation Counts
112
430
53,622
epidemiology
cancer prevention
human papillomavirus infection
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Malcolm Sears
Metrics
H-Index
i10-Index
Citation Counts
111
312
54,474

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Jeffrey A Johnson
Metrics
H-Index
i10-Index
Citation Counts
109
445
53,667
Diabetes
health services and policy research
epidemiology
public health
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Jay S Kaufman
Metrics
H-Index
i10-Index
Citation Counts
105
368
37,047
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Herman W Barkema
Metrics
H-Index
i10-Index
Citation Counts
103
366
41,811
epidemiology
dairy
one health
antimicrobial resistance
mastitis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Patricia O Campo
Metrics
H-Index
i10-Index
Citation Counts
100
327
33,243
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Mark Tyndall
Metrics
H-Index
i10-Index
Citation Counts
99
255
28,810
Public Health
Human Rights
Harm Reduction
HIV
Infectious Diseases
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Teresa To
Metrics
H-Index
i10-Index
Citation Counts
95
320
36,470
Epidemiology
asthma
chronic respiratory diseases
outcomes research
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Nrc Campbell
Metrics
H-Index
i10-Index
Citation Counts
95
387
32,707
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Prabhat Jha
Metrics
H-Index
i10-Index
Citation Counts
94
297
48,622
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
John R Mclaughlin
Metrics
H-Index
i10-Index
Citation Counts
93
302
46,936
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Julian Little
Metrics
H-Index
i10-Index
Citation Counts
87
312
56,552
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Martin T Schechter
Metrics
H-Index
i10-Index
Citation Counts
87
307
28,711
HIV/AIDS
addiction
clinical epidemiology
clinical trials
population health
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Pierre Ernst
Metrics
H-Index
i10-Index
Citation Counts
86
233
28,475
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Zahid Ahmad Butt
Metrics
H-Index
i10-Index
Citation Counts
85
156
148,419
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Paola Muti
Metrics
H-Index
i10-Index
Citation Counts
85
220
24,101
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Pierre Côté
Metrics
H-Index
i10-Index
Citation Counts
84
268
36,211
Epidemiology
rehabilitation
musculoskeletal disorders
disability
functioning