Ioannidis, John P.A.
Stanford University School of Medicine
Rank:
Overall Rank
Rank in the SubField 1
Publications
Citations
Data for the year: 2026
Main Field
Clinical Medicine
SubField 1
General & Internal Medicine
SubField 2
Epidemiology
Rank in the SubField 1 (General & Internal Medicine): 4 out of 360081 authors
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 24 | 23 |
| Total Cites | 26012 | 26855 |
| H-index | 56.00 | 58.00 |
| Hm-index | 27.94 | 29.35 |
| Number of Single Authored Papers | 198 | 198 |
| Total Cites to Single Authored Papers | 1630 | 1664 |
| Number of Single+First Authored Papers | 398 | 398 |
| Total Cites to Single+First Authored Papers | 2798 | 2887 |
| Number of Single+First+Last Authored Papers | 923 | 923 |
| Total Cites to Single+First+Last Authored Papers | 6500 | 6776 |
| Composite Score | 4.93 | 4.93 |
| Number of Distinct Citing Papers | 22719.00 | 23124.00 |
| Ratio of Total Citations to Distinct Citing Papers | 1.14 | 1.16 |
| Self-Citation Percentage: | ||
Data for the year: 2025
Main Field
Clinical Medicine
SubField 1
General & Internal Medicine
SubField 2
Epidemiology
Rank in the SubField 1 (General & Internal Medicine): 4 out of 348741 authors
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 23 | 22 |
| Total Cites | 25296 | 26107 |
| H-index | 55.00 | 57.00 |
| Hm-index | 26.96 | 27.00 |
| Number of Single Authored Papers | 192 | 192 |
| Total Cites to Single Authored Papers | 1526 | 1562 |
| Number of Single+First Authored Papers | 387 | 387 |
| Total Cites to Single+First Authored Papers | 2745 | 2846 |
| Number of Single+First+Last Authored Papers | 899 | 899 |
| Total Cites to Single+First+Last Authored Papers | 6420 | 6745 |
| Composite Score | 4.92 | 4.92 |
| Number of Distinct Citing Papers | 22012.00 | 22371.00 |
| Ratio of Total Citations to Distinct Citing Papers | 1.15 | 1.17 |
| Self-Citation Percentage: | ||
Data for the year: 2024
Main Field
Clinical Medicine
SubField 1
General & Internal Medicine
SubField 2
Epidemiology
Rank in the SubField 1 (General & Internal Medicine): 3 out of 333256 authors
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 13 | 13 |
| Total Cites | 26419 | 27439 |
| H-index | 52.00 | 55.00 |
| Hm-index | 28.93 | 30.74 |
| Number of Single Authored Papers | 188 | 188 |
| Total Cites to Single Authored Papers | 1580 | 1652 |
| Number of Single+First Authored Papers | 379 | 379 |
| Total Cites to Single+First Authored Papers | 2672 | 2819 |
| Number of Single+First+Last Authored Papers | 875 | 875 |
| Total Cites to Single+First+Last Authored Papers | 6357 | 6740 |
| Composite Score | 4.98 | 4.99 |
| Number of Distinct Citing Papers | 23043.00 | 23474.00 |
| Ratio of Total Citations to Distinct Citing Papers | 1.15 | 1.17 |
| Self-Citation Percentage: | ||
Data for the year: 2022
Main Field
Clinical Medicine
SubField 1
General & Internal Medicine
SubField 2
Epidemiology
Rank in the SubField 1 (General & Internal Medicine): 2 out of 311132 authors
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 7 | 6 |
| Total Cites | 32438 | 33664 |
| H-index | 57.00 | 59.00 |
| Hm-index | 29.93 | 30.73 |
| Number of Single Authored Papers | 171 | 171 |
| Total Cites to Single Authored Papers | 1875 | 1934 |
| Number of Single+First Authored Papers | 346 | 346 |
| Total Cites to Single+First Authored Papers | 3027 | 3149 |
| Number of Single+First+Last Authored Papers | 791 | 791 |
| Total Cites to Single+First+Last Authored Papers | 6654 | 6998 |
| Composite Score | 5.13 | 5.14 |
| Number of Distinct Citing Papers | 28107.00 | 28656.00 |
| Ratio of Total Citations to Distinct Citing Papers | 1.15 | 1.17 |
| Self-Citation Percentage: | ||
Data for the year: 2021
Main Field
Clinical Medicine
SubField 1
General & Internal Medicine
SubField 2
Epidemiology
Rank in the SubField 1 (General & Internal Medicine): 2 out of 224174 authors
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 11 | 7 |
| Total Cites | 46140 | 47834 |
| H-index | 65.00 | 67.00 |
| Hm-index | 34.12 | 35.51 |
| Number of Single Authored Papers | 162 | 162 |
| Total Cites to Single Authored Papers | 2769 | 2851 |
| Number of Single+First Authored Papers | 328 | 328 |
| Total Cites to Single+First Authored Papers | 4538 | 4713 |
| Number of Single+First+Last Authored Papers | 751 | 751 |
| Total Cites to Single+First+Last Authored Papers | 9919 | 10464 |
| Composite Score | 5.16 | 5.17 |
| Number of Distinct Citing Papers | 39619.00 | 40389.00 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.18 |
| Self-Citation Percentage: | ||
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