Citation Rankings
Highly Cited Researchers

Canada Highly Cited Researchers Citation Medical and Health Sciences / Internal Medicine in Canada Rankings 2025

The Citation Rankings (Highly Cited Researchers) 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 43 scientist, 1 country, 13 institution
* Total Citation Counts Rankings
Ranking Based On Selection :1
Canada
Arnav Agarwal
internal medicine
systematic reviews
clinical guidelines
health research methodology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,633
23,000
0.897
* Total Citation Counts Rankings
Ranking Based On Selection :2
Canada
Ameen Patel
General Internal Medicine
Perioperative Medicine
Medical Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,210
9,074
0.409
* Total Citation Counts Rankings
Ranking Based On Selection :3
Canada
Derek Chu
Allergy
Immunology
Anaphylaxis
Internal Medicine
Meta-analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,613
14,731
0.944
* Total Citation Counts Rankings
Ranking Based On Selection :4
Canada
Fahad Razak
Hospital Care
General Internal Medicine
Epidemiologic Methods
Big Data
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,163
3,940
0.430
* Total Citation Counts Rankings
Ranking Based On Selection :5
Canada
Usman Ali
Internal Medicine
Clinical Epidemiology
Biostatistics
Evidence-based medicine
Meta-analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,714
4,303
0.641
* Total Citation Counts Rankings
Ranking Based On Selection :6
Canada
Flavia Kessler Borges
Internal Medicine
Perioperative Medicine
Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,650
3,172
0.869
* Total Citation Counts Rankings
Ranking Based On Selection :7
Canada
Thomas D Brothers
addiction medicine
substance use
health services
social epidemiology
implementation science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,389
2,392
0.706
* Total Citation Counts Rankings
Ranking Based On Selection :8
Canada
Rodrigo B Cavalcanti
Internal Medicine
Medical Education
Evidence Based Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,990
1,499
0.501
* Total Citation Counts Rankings
Ranking Based On Selection :9
Canada
Richard G Jung
Interventional Cardiology
Vascular Biology
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,143
2,033
0.949
* Total Citation Counts Rankings
Ranking Based On Selection :10
Canada
Mark Verway
Internal Medicine
Infectious Diseases
Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,045
1,469
0.718
* Total Citation Counts Rankings
Ranking Based On Selection :11
Canada
Nariman Sepehrvand
Cardiovascular Disease
Epidemiological Studies
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,933
1,158
0.599
* Total Citation Counts Rankings
Ranking Based On Selection :12
Canada
Yashar Tashakkor
Obesity Medicine
Cardiac Disease Prevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
978
515
0.527
* Total Citation Counts Rankings
Ranking Based On Selection :13
Canada
Nikesh Adunuri
General Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
923
506
0.548
* Total Citation Counts Rankings
Ranking Based On Selection :14
Canada
Sagar Rohailla
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
675
437
0.647
* Total Citation Counts Rankings
Ranking Based On Selection :15
Canada
Walid Barake
Internal Medicine - Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
649
452
0.696
* Total Citation Counts Rankings
Ranking Based On Selection :16
Canada
Kyle M. Walker
Rheumatology
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
646
406
0.628
* Total Citation Counts Rankings
Ranking Based On Selection :17
Canada
Michael Prystajecky
Quality Improvement
General Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
643
556
0.865
* Total Citation Counts Rankings
Ranking Based On Selection :18
Canada
Khalil Anchouche
Cardiac Imaging
Heart Failure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
586
577
0.985
* Total Citation Counts Rankings
Ranking Based On Selection :19
Canada
Sharon E Card
General Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
467
160
0.343
* Total Citation Counts Rankings
Ranking Based On Selection :20
Canada
Ahmad F. Alenezi
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
433
427
0.986
* Total Citation Counts Rankings
Ranking Based On Selection :21
Canada
Stephen Lee
Infectious Diseases
Internal Medicine
Clinical Informatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
357
269
0.754
* Total Citation Counts Rankings
Ranking Based On Selection :22
Canada
Vadim Iablokov
Inflammatory Bowel Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
315
166
0.527
* Total Citation Counts Rankings
Ranking Based On Selection :23
Canada
Ibraheem Othman
Hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
294
291
0.990
* Total Citation Counts Rankings
Ranking Based On Selection :24
Canada
Jimmy M. Hsu
Internal Medicine
Endocrinology
Infectious Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
290
0.997
* Total Citation Counts Rankings
Ranking Based On Selection :25
Canada
Brice Nouthe
Internal Medicine - Non communicable diseases - Cardiovascular sciences - Metabolism - Genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
274
111
0.405
* Total Citation Counts Rankings
Rankings
28,446
Canada
1,176
172
Ranking Based On Selection: 1
Arnav Agarwal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,633
23,000
0.897
internal medicine
systematic reviews
clinical guidelines
health research methodology
* Total Citation Counts Rankings
Rankings
34,979
Canada
1,484
114
Ranking Based On Selection: 2
Ameen Patel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,210
9,074
0.409
General Internal Medicine
Perioperative Medicine
Medical Education
* Total Citation Counts Rankings
Rankings
56,663
Canada
2,500
162
Ranking Based On Selection: 3
Derek Chu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,613
14,731
0.944
Allergy
Immunology
Anaphylaxis
Internal Medicine
Meta-analysis
* Total Citation Counts Rankings
Rankings
108,831
Canada
4,861
570
Ranking Based On Selection: 4
Fahad Razak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,163
3,940
0.430
Hospital Care
General Internal Medicine
Epidemiologic Methods
Big Data
* Total Citation Counts Rankings
Rankings
152,765
Canada
6,723
351
Ranking Based On Selection: 5
Usman Ali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,714
4,303
0.641
Internal Medicine
Clinical Epidemiology
Biostatistics
Evidence-based medicine
Meta-analysis
* Total Citation Counts Rankings
Rankings
273,349
Canada
11,427
518
Ranking Based On Selection: 6
Flavia Kessler Borges
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,650
3,172
0.869
Internal Medicine
Perioperative Medicine
Cardiology
* Total Citation Counts Rankings
Rankings
291,409
Canada
12,088
284
Ranking Based On Selection: 7
Thomas D Brothers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,389
2,392
0.706
addiction medicine
substance use
health services
social epidemiology
implementation science
* Total Citation Counts Rankings
Rankings
323,654
Canada
13,225
1,394
Ranking Based On Selection: 8
Rodrigo B Cavalcanti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,990
1,499
0.501
Internal Medicine
Medical Education
Evidence Based Medicine
* Total Citation Counts Rankings
Rankings
418,869
Canada
16,390
531
Ranking Based On Selection: 9
Richard G Jung
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,143
2,033
0.949
Interventional Cardiology
Vascular Biology
Internal Medicine
* Total Citation Counts Rankings
Rankings
433,691
Canada
16,817
1,273
Ranking Based On Selection: 10
Mark Verway
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,045
1,469
0.718
* Total Citation Counts Rankings
Rankings
451,531
Canada
17,340
1,086
Ranking Based On Selection: 11
Nariman Sepehrvand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,933
1,158
0.599
Cardiovascular Disease
Epidemiological Studies
Internal Medicine
* Total Citation Counts Rankings
Rankings
686,475
Canada
24,131
1,971
Ranking Based On Selection: 12
Yashar Tashakkor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
978
515
0.527
* Total Citation Counts Rankings
Rankings
707,217
Canada
24,680
926
Ranking Based On Selection: 13
Nikesh Adunuri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
923
506
0.548
* Total Citation Counts Rankings
Rankings
816,896
Canada
27,486
2,770
Ranking Based On Selection: 14
Sagar Rohailla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
675
437
0.647
* Total Citation Counts Rankings
Rankings
829,905
Canada
27,760
610
Ranking Based On Selection: 15
Walid Barake
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
649
452
0.696
* Total Citation Counts Rankings
Rankings
831,537
Canada
27,800
894
Ranking Based On Selection: 16
Kyle M. Walker
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
646
406
0.628
* Total Citation Counts Rankings
Rankings
832,923
Canada
27,831
689
Ranking Based On Selection: 17
Michael Prystajecky
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
643
556
0.865
* Total Citation Counts Rankings
Rankings
863,014
Canada
28,546
2,043
Ranking Based On Selection: 18
Khalil Anchouche
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
586
577
0.985
* Total Citation Counts Rankings
Rankings
946,327
Canada
30,649
759
Ranking Based On Selection: 19
Sharon E Card
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
467
160
0.343
* Total Citation Counts Rankings
Rankings
976,032
Canada
31,442
2,303
Ranking Based On Selection: 20
Ahmad F. Alenezi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
433
427
0.986
* Total Citation Counts Rankings
Rankings
1,053,807
Canada
33,568
843
Ranking Based On Selection: 21
Stephen Lee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
357
269
0.754
Infectious Diseases
Internal Medicine
Clinical Informatics
* Total Citation Counts Rankings
Rankings
1,104,635
Canada
34,982
238
Ranking Based On Selection: 22
Vadim Iablokov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
315
166
0.527
* Total Citation Counts Rankings
Rankings
1,132,148
Canada
35,682
18
Ranking Based On Selection: 23
Ibraheem Othman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
294
291
0.990
* Total Citation Counts Rankings
Rankings
1,136,286
Canada
35,785
2,646
Ranking Based On Selection: 24
Jimmy M. Hsu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
290
0.997
Internal Medicine
Endocrinology
Infectious Disease
* Total Citation Counts Rankings
Rankings
1,162,799
Canada
36,481
3,058
Ranking Based On Selection: 25
Brice Nouthe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
274
111
0.405
Internal Medicine - Non communicable diseases - Cardiovascular sciences - Metabolism - Genetic