Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Rankings
Rankings

100
World Rank

2
Country Rank

2
University
Ranking Based On Selection:
1
Citation Metrics
-
Total385,450
-
Last 6 Years260,942
-
Last 6 Years / Total0.677
* Total Citation Rankings
Rankings

5,811
World Rank

36
Country Rank

11
University
Ranking Based On Selection:
2
Citation Metrics
-
Total73,689
-
Last 6 Years15,161
-
Last 6 Years / Total0.206
* Total Citation Rankings
Rankings

6,228
World Rank

71
Country Rank

1
University
Ranking Based On Selection:
3
Citation Metrics
-
Total70,823
-
Last 6 Years36,246
-
Last 6 Years / Total0.512
* Total Citation Rankings
Rankings

6,651
World Rank

78
Country Rank

3
University
Ranking Based On Selection:
4
Medical and Health Sciences / Internal Medicine
Internal Medicine | Endocrinology and Metabolism | Diabete
Internal Medicine | Endocrinology and Metabolism | Diabete
Citation Metrics
-
Total67,993
-
Last 6 Years15,639
-
Last 6 Years / Total0.230
* Total Citation Rankings
Rankings

14,367
World Rank

116
Country Rank

8
University
Ranking Based On Selection:
5
Medical and Health Sciences / Internal Medicine
Medical science | Diabetes | Metabolic disorder | Diabetic complications | Mitochondrial dysfunctio
Medical science | Diabetes | Metabolic disorder | Diabetic complications | Mitochondrial dysfunctio
Citation Metrics
-
Total41,935
-
Last 6 Years20,867
-
Last 6 Years / Total0.498
* Total Citation Rankings
Rankings

29,254
World Rank

1,111
Country Rank

30
University
Ranking Based On Selection:
6
Citation Metrics
-
Total26,465
-
Last 6 Years21,530
-
Last 6 Years / Total0.814
* Total Citation Rankings
Rankings

43,536
World Rank

442
Country Rank

95
University
Ranking Based On Selection:
7
Citation Metrics
-
Total20,018
-
Last 6 Years13,339
-
Last 6 Years / Total0.666
* Total Citation Rankings
Rankings

46,378
World Rank

301
Country Rank

71
University
Ranking Based On Selection:
8
Medical and Health Sciences / Internal Medicine
internal medicine | blood pressure. diabetes mellitu
internal medicine | blood pressure. diabetes mellitu
Citation Metrics
-
Total19,106
-
Last 6 Years4,644
-
Last 6 Years / Total0.243
* Total Citation Rankings
Rankings

47,060
World Rank

293
Country Rank

7
University
Ranking Based On Selection:
9
Medical and Health Sciences / Internal Medicine
Health policy | gastroenterology | hepatology | public healt
Health policy | gastroenterology | hepatology | public healt
Citation Metrics
-
Total18,906
-
Last 6 Years12,125
-
Last 6 Years / Total0.641
* Total Citation Rankings
Rankings

69,999
World Rank

842
Country Rank

171
University
Ranking Based On Selection:
10
Citation Metrics
-
Total14,033
-
Last 6 Years6,177
-
Last 6 Years / Total0.440
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* Total Citation Rankings
Rankings

72,828
World Rank

900
Country Rank

182
University
Ranking Based On Selection:
11
Medical and Health Sciences / Internal Medicine
Type 2 Diabetes | Gestational Diabetes | Genetics of Diabete
Type 2 Diabetes | Gestational Diabetes | Genetics of Diabete
Citation Metrics
-
Total13,590
-
Last 6 Years7,797
-
Last 6 Years / Total0.574
* Total Citation Rankings
Rankings

96,154
World Rank

282
Country Rank

36
University
Ranking Based On Selection:
12
Citation Metrics
-
Total10,807
-
Last 6 Years7,451
-
Last 6 Years / Total0.689
* Total Citation Rankings
Rankings

101,295
World Rank

1,349
Country Rank

27
University
Ranking Based On Selection:
13
Citation Metrics
-
Total10,329
-
Last 6 Years4,795
-
Last 6 Years / Total0.464
* Total Citation Rankings
Rankings

105,415
World Rank

1,402
Country Rank

46
University
Ranking Based On Selection:
14
Citation Metrics
-
Total9,984
-
Last 6 Years5,408
-
Last 6 Years / Total0.542
* Total Citation Rankings
Rankings

109,389
World Rank

332
Country Rank

7
University
Ranking Based On Selection:
15
Medical and Health Sciences / Internal Medicine
dermatology | medical informatics | medical education | clinical photography | telemedicin
dermatology | medical informatics | medical education | clinical photography | telemedicin
Citation Metrics
-
Total9,663
-
Last 6 Years8,473
-
Last 6 Years / Total0.877
* Total Citation Rankings
Rankings

109,432
World Rank

324
Country Rank

61
University
Ranking Based On Selection:
16
Citation Metrics
-
Total9,660
-
Last 6 Years4,779
-
Last 6 Years / Total0.495
* Total Citation Rankings
Rankings

115,173
World Rank

1,575
Country Rank

20
University
Ranking Based On Selection:
17
Citation Metrics
-
Total9,235
-
Last 6 Years4,929
-
Last 6 Years / Total0.534
* Total Citation Rankings
Rankings

120,066
World Rank

768
Country Rank

19
University
Ranking Based On Selection:
18
Medical and Health Sciences / Internal Medicine
internal medicine | gastroenterology | fatty liver | IBD | GB
internal medicine | gastroenterology | fatty liver | IBD | GB
Citation Metrics
-
Total8,897
-
Last 6 Years8,647
-
Last 6 Years / Total0.972
* Total Citation Rankings
Rankings

121,784
World Rank

781
Country Rank

90
University
Ranking Based On Selection:
19
Citation Metrics
-
Total8,783
-
Last 6 Years3,811
-
Last 6 Years / Total0.434
* Total Citation Rankings
Rankings

128,001
World Rank

837
Country Rank

97
University
Ranking Based On Selection:
20
Citation Metrics
-
Total8,401
-
Last 6 Years4,605
-
Last 6 Years / Total0.548
* Total Citation Rankings
Rankings

130,917
World Rank

1,862
Country Rank

65
University
Ranking Based On Selection:
21
Citation Metrics
-
Total8,231
-
Last 6 Years3,253
-
Last 6 Years / Total0.395
* Total Citation Rankings
Rankings

133,738
World Rank

1,913
Country Rank

144
University
Ranking Based On Selection:
22
Citation Metrics
-
Total8,076
-
Last 6 Years3,928
-
Last 6 Years / Total0.486
* Total Citation Rankings
Rankings

145,742
World Rank

2,148
Country Rank

79
University
Ranking Based On Selection:
23
Citation Metrics
-
Total7,459
-
Last 6 Years2,345
-
Last 6 Years / Total0.314
* Total Citation Rankings
Rankings

150,872
World Rank

387
Country Rank

22
University
Ranking Based On Selection:
24
Citation Metrics
-
Total7,217
-
Last 6 Years3,784
-
Last 6 Years / Total0.524
* Total Citation Rankings
Rankings

152,927
World Rank

1,299
Country Rank

103
University
Ranking Based On Selection:
25
Citation Metrics
-
Total7,126
-
Last 6 Years2,267
-
Last 6 Years / Total0.318