The international independent ranking organisation AD Scientific Index is more than an ordinary "Ranking". The "AD Scientific Index" analyses the academic work of scientists using the H-index, i10 index and number of citations, and provides results that can be used to evaluate the productivity and efficiency of individuals and institutions. In addition to ranking according to "total H-index" for individuals and institutions, you can also see the ranking and analyses according to "last 6 years H-index", "total i10 Productivity index", "last 6 years i10 Productivity index", "total citations" and "last 6 years citations" only in "AD Scientific Index". See also: Subject Rankings, University Subject Rankings and  Universities Rankings 2024 (Sort by: Last 6 years H Index).   Click here for individual or institutional registration.

Total 15 scientist
H-Index Rankings
University / Institution:
# 11
Country:
# 6,884
Region:
# 7,522
World:
# 15,363
H-Index
Total:
85
Last 6 Year:
57
Last 6 Year/Total:
0.671
i10 Index
Total:
307
Last 6 Year:
253
Last 6 Year/Total:
0.824
Citation
Total:
28,680
Last 6 Year:
15,055
Last 6 Year/Total:
0.525
H-Index Rankings
University / Institution:
# 15
Country:
# 9,427
Region:
# 10,354
World:
# 21,515
H-Index
Total:
77
Last 6 Year:
57
Last 6 Year/Total:
0.740
i10 Index
Total:
373
Last 6 Year:
317
Last 6 Year/Total:
0.850
Citation
Total:
23,260
Last 6 Year:
14,643
Last 6 Year/Total:
0.630
H-Index Rankings
University / Institution:
# 17
Country:
# 10,642
Region:
# 11,709
World:
# 24,626
H-Index
Total:
74
Last 6 Year:
51
Last 6 Year/Total:
0.689
i10 Index
Total:
220
Last 6 Year:
183
Last 6 Year/Total:
0.832
Citation
Total:
18,943
Last 6 Year:
9,669
Last 6 Year/Total:
0.510
Stavropoula Tjoumakaris
Endovascular neurosurgery
cerebrovascular surgery
stroke
aneurysms
arteriovenous malformations
H-Index Rankings
University / Institution:
# 32
Country:
# 19,026
Region:
# 21,166
World:
# 46,997
H-Index
Total:
60
Last 6 Year:
43
Last 6 Year/Total:
0.717
i10 Index
Total:
208
Last 6 Year:
184
Last 6 Year/Total:
0.885
Citation
Total:
12,220
Last 6 Year:
7,766
Last 6 Year/Total:
0.636
H-Index Rankings
University / Institution:
# 87
Country:
# 70,972
Region:
# 80,328
World:
# 222,250
H-Index
Total:
31
Last 6 Year:
24
Last 6 Year/Total:
0.774
i10 Index
Total:
63
Last 6 Year:
47
Last 6 Year/Total:
0.746
Citation
Total:
2,802
Last 6 Year:
1,780
Last 6 Year/Total:
0.635
H-Index Rankings
University / Institution:
# 94
Country:
# 77,126
Region:
# 87,310
World:
# 245,439
H-Index
Total:
29
Last 6 Year:
28
Last 6 Year/Total:
0.966
i10 Index
Total:
59
Last 6 Year:
56
Last 6 Year/Total:
0.949
Citation
Total:
3,164
Last 6 Year:
2,577
Last 6 Year/Total:
0.814
H-Index Rankings
University / Institution:
# 108
Country:
# 90,350
Region:
# 102,289
World:
# 296,806
H-Index
Total:
26
Last 6 Year:
24
Last 6 Year/Total:
0.923
i10 Index
Total:
60
Last 6 Year:
60
Last 6 Year/Total:
1.000
Citation
Total:
2,764
Last 6 Year:
2,326
Last 6 Year/Total:
0.842
H-Index Rankings
University / Institution:
# 111
Country:
# 95,066
Region:
# 107,622
World:
# 315,300
H-Index
Total:
25
Last 6 Year:
24
Last 6 Year/Total:
0.960
i10 Index
Total:
66
Last 6 Year:
65
Last 6 Year/Total:
0.985
Citation
Total:
2,393
Last 6 Year:
2,364
Last 6 Year/Total:
0.988
H-Index Rankings
University / Institution:
# 156
Country:
# 134,680
Region:
# 152,091
World:
# 471,811
H-Index
Total:
19
Last 6 Year:
18
Last 6 Year/Total:
0.947
i10 Index
Total:
33
Last 6 Year:
31
Last 6 Year/Total:
0.939
Citation
Total:
1,236
Last 6 Year:
859
Last 6 Year/Total:
0.695
H-Index Rankings
University / Institution:
# 196
Country:
# 171,461
Region:
# 193,094
World:
# 619,134
H-Index
Total:
15
Last 6 Year:
15
Last 6 Year/Total:
1.000
i10 Index
Total:
32
Last 6 Year:
31
Last 6 Year/Total:
0.969
Citation
Total:
1,104
Last 6 Year:
1,065
Last 6 Year/Total:
0.965
Payman Vahedi
Neurosurgery
Skull Base Surgery
Spine Surgery
Gamma Knife Radiosurgery
H-Index Rankings
University / Institution:
# 213
Country:
# 191,445
Region:
# 215,164
World:
# 700,179
H-Index
Total:
14
Last 6 Year:
10
Last 6 Year/Total:
0.714
i10 Index
Total:
16
Last 6 Year:
10
Last 6 Year/Total:
0.625
Citation
Total:
620
Last 6 Year:
270
Last 6 Year/Total:
0.435
H-Index Rankings
University / Institution:
# 225
Country:
# 208,769
Region:
# 234,298
World:
# 772,470
H-Index
Total:
12
Last 6 Year:
12
Last 6 Year/Total:
1.000
i10 Index
Total:
12
Last 6 Year:
12
Last 6 Year/Total:
1.000
Citation
Total:
539
Last 6 Year:
509
Last 6 Year/Total:
0.944
H-Index Rankings
University / Institution:
# 238
Country:
# 219,018
Region:
# 245,661
World:
# 817,338
H-Index
Total:
11
Last 6 Year:
11
Last 6 Year/Total:
1.000
i10 Index
Total:
13
Last 6 Year:
13
Last 6 Year/Total:
1.000
Citation
Total:
755
Last 6 Year:
568
Last 6 Year/Total:
0.752
H-Index Rankings
University / Institution:
# 278
Country:
# 261,436
Region:
# 292,357
World:
# 1,006,036
H-Index
Total:
8
Last 6 Year:
8
Last 6 Year/Total:
1.000
i10 Index
Total:
8
Last 6 Year:
8
Last 6 Year/Total:
1.000
Citation
Total:
234
Last 6 Year:
234
Last 6 Year/Total:
1.000
H-Index Rankings
University / Institution:
# 374
Country:
# 372,856
Region:
# 417,028
World:
# 1,625,573
H-Index
Total:
3
Last 6 Year:
3
Last 6 Year/Total:
1.000
i10 Index
Total:
0
Last 6 Year:
0
Last 6 Year/Total:
0
Citation
Total:
21
Last 6 Year:
21
Last 6 Year/Total:
1.000
AD Scientific Index - World Scientists Rankings - 2024 H INDEX i10 INDEX CITATION
University /
Institution
Country Region World Name Country University / Institution Subject Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total
11 6,884 7,522 15,363
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

SCI Cervical Myelopathy Spine Trauma Degenerative Neurosurgery |

85 57 0.671 307 253 0.824 28,680 15,055 0.525
15 9,427 10,354 21,515
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Neurosurgery | Stroke | Aneurysms | AVMs | Intra-Arterial Chemotherapy |

77 57 0.740 373 317 0.850 23,260 14,643 0.630
17 10,642 11,709 24,626
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

NEUROSURGERY |

74 51 0.689 220 183 0.832 18,943 9,669 0.510
32 19,026 21,166 46,997
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Endovascular neurosurgery | cerebrovascular surgery | stroke | aneurysms | arteriovenous malformations |

60 43 0.717 208 184 0.885 12,220 7,766 0.636
87 70,972 80,328 222,250
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

spine | neurosurgery | vascular neurosurgery |

31 24 0.774 63 47 0.746 2,802 1,780 0.635
94 77,126 87,310 245,439
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Functional Neurosurgery | Epilepsy | Brain-Computer Interfaces |

29 28 0.966 59 56 0.949 3,164 2,577 0.814
108 90,350 102,289 296,806
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Vascular Neurosurgery |

26 24 0.923 60 60 1.000 2,764 2,326 0.842
111 95,066 107,622 315,300
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Neurosurgery |

25 24 0.960 66 65 0.985 2,393 2,364 0.988
156 134,680 152,091 471,811
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

19 18 0.947 33 31 0.939 1,236 859 0.695
196 171,461 193,094 619,134
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Neurosurgery | cerebrovascular disease | brain tumors | aneurysms |

15 15 1.000 32 31 0.969 1,104 1,065 0.965
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213 191,445 215,164 700,179
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Neurosurgery | Skull Base Surgery | Spine Surgery | Gamma Knife Radiosurgery |

14 10 0.714 16 10 0.625 620 270 0.435
225 208,769 234,298 772,470
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Neurosurgery |

12 12 1.000 12 12 1.000 539 509 0.944
238 219,018 245,661 817,338
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Neurosurgery |

11 11 1.000 13 13 1.000 755 568 0.752
278 261,436 292,357 1,006,036
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Neurosurgery

Neurosurgery |

8 8 1.000 8 8 1.000 234 234 1.000
374 372,856 417,028 1,625,573
United States United States Thomas Jefferson University Thomas Jefferson University Medical and Health Sciences / Radiology

Medicine | Orthopedics | Neurosurgery | Interventional Radiology |

3 3 1.000 0 0 0 21 21 1.000