THE IMPACT QUOTIENT

Global Medical Rankings

The world's leading physicians, ranked by their measurable contribution to medical science and humanity. Not by reputation — by data.

975 Ranked Physicians
61 Titans
220 Elite
17 Specialty Groups
🩺

Other Specialties

323 physicians
🥇
Bert Vogelstein TITAN
Cancer Genomics
98.8 Impact Score
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🥈
Shizuo Akira TITAN
Innate Immunity
94.8 Impact Score
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🥉
Bhramar Mukherjee ELITE
Biostatistics
91.0 Impact Score
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#4
Robert S. Langer TITAN
Biomaterials & Drug Delivery
90.2 Impact Score
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#5
Mark J. Daly TITAN
Human Genetics
89.2 Impact Score
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#6
D. K. Sharma ELITE
Hospital Administration
87.0 Impact Score
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#7
Guido Kroemer TITAN
Autophagy
83.6 Impact Score
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#8
Frank B. Hu TITAN
Nutrition & Metabolic Disease
81.0 Impact Score
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#9
JoAnn E. Manson TITAN
Women's Health
80.2 Impact Score
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#10
Matthew Meyerson TITAN
Cancer Genomics
73.2 Impact Score
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View all 323 physicians in Other Specialties →
🩺

Internal Medicine

295 physicians
🥇
M. A. Q. Khan
Medicine
104.0 Impact Score
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🥈
C. N. R. Rao TITAN
Nanomedicine
99.0 Impact Score
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🥉
Meir J. Stampfer TITAN
Preventive Medicine
85.2 Impact Score
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#4
A. K. Bhargava ELITE
Telemedicine & Digital Health
85.0 Impact Score
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#5
Gordon H. Guyatt TITAN
Evidence-Based Medicine
73.2 Impact Score
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#6
Yi Cui TITAN
Nanomedicine
59.8 Impact Score
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#7
Luigi Ferrucci TITAN
Aging Medicine
57.6 Impact Score
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#8
Eric J. Topol TITAN
Digital Medicine
48.2 Impact Score
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#9
Marc A. Pfeffer TITAN
Cardiovascular Medicine
43.0 Impact Score
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#10
Rinaldo Bellomo TITAN
Intensive Care
40.8 Impact Score
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View all 295 physicians in Internal Medicine →
🦠

Infectious Disease & Public Health

110 physicians
🥇
Albert Hofman TITAN
Aging & Epidemiology
93.2 Impact Score
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🥈
Walter C. Willett TITAN
Nutritional Epidemiology
82.2 Impact Score
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🥉
George Davey Smith TITAN
Genetic Epidemiology
81.8 Impact Score
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#4
Ali H. Mokdad TITAN
Global Health Metrics
66.6 Impact Score
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#5
David J. Hunter TITAN
Genetic Epidemiology
53.2 Impact Score
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#6
Majid Ezzati TITAN
Global Health Metrics
45.0 Impact Score
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#7
Eric B. Rimm TITAN
Nutritional Epidemiology
44.0 Impact Score
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#8
Anthony S. Fauci TITAN
Infectious Diseases
42.0 Impact Score
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#9
Carlo La Vecchia TITAN
Clinical Epidemiology
40.0 Impact Score
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#10
Bruce M. Psaty ELITE
Cardiovascular Epidemiology
36.8 Impact Score
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View all 110 physicians in Infectious Disease & Public Health →
🔪

Surgery

68 physicians
🥇
Anil Agarwal ELITE
Surgical Oncology
90.0 Impact Score
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🥈
Ramakanta Panda ELITE
Cardiac Surgery
22.0 Impact Score
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🥉
R. P. Sengupta ELITE
Cranial surgery
22.0 Impact Score
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#4
Arvinder Singh ELITE
Retina surgery
22.0 Impact Score
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#5
N. R. Biswas ELITE
Retina surgery
22.0 Impact Score
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#6
Atul Goel ELITE
Neurosurgery - Craniovertebral surgery
22.0 Impact Score
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#7
A. K. Mahapatra ELITE
Pediatric neurosurgery
22.0 Impact Score
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#8
Anil D’Cruz ELITE
Surgical Oncology
22.0 Impact Score
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#9
P. Raghu Ram ELITE
Surgical Oncology
22.0 Impact Score
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#10
Alok Sharma ELITE
Neurosurgery
22.0 Impact Score
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View all 68 physicians in Surgery →
🧠

Neuroscience

41 physicians
🥇
Anders Björklund TITAN
Neuroscience
98.0 Impact Score
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🥈
B. S. Singhal TITAN
Neurology
89.0 Impact Score
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🥉
Karl J. Friston TITAN
Computational Neuroscience
68.4 Impact Score
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#4
Trevor W. Robbins TITAN
Cognitive Neuroscience
47.4 Impact Score
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#5
Anders Björklund
Neurology
38.1 Impact Score
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#6
Bruce L. Miller ELITE
Behavioral Neurology
34.8 Impact Score
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#7
Frederik Barkhof ELITE
Neuroradiology
33.6 Impact Score
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#8
Sanjay Pandey ELITE
Movement disorders
22.0 Impact Score
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#9
K. K. Sethi ELITE
Movement disorders
22.0 Impact Score
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#10
V. K. Sharma ELITE
Stroke research
22.0 Impact Score
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View all 41 physicians in Neuroscience →
❤️

Cardiology

35 physicians
🥇
B. K. Goyal TITAN
Interventional Cardiology
95.0 Impact Score
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🥈
Salim Yusuf TITAN
Global Cardiology Trials
77.0 Impact Score
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🥉
Stefan D. Anker TITAN
Heart Failure
52.6 Impact Score
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#4
Gregg C. Fonarow ELITE
Cardiology Outcomes
39.8 Impact Score
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#5
Bernard J. Gersh ELITE
Clinical Cardiology
37.0 Impact Score
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#6
S. M. Yusuf ELITE
Preventive cardiology
22.0 Impact Score
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#7
H. S. Wasir ELITE
Preventive cardiology
22.0 Impact Score
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#8
K. K. Talwar ELITE
Electrophysiology
22.0 Impact Score
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#9
Balram Bhargava ELITE
Cardiology - Indigenous stent program
22.0 Impact Score
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#10
Ashok Seth ELITE
Interventional Cardiology - Angioplasty expansion
22.0 Impact Score
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View all 35 physicians in Cardiology →
🎗️

Oncology

35 physicians
🥇
Gordon B. Mills TITAN
Systems Oncology
61.4 Impact Score
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🥈
Carlo M. Croce TITAN
microRNA & Oncology
55.2 Impact Score
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🥉
Napoleone Ferrara TITAN
Anti-VEGF Oncology
40.0 Impact Score
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#4
Eric Van Cutsem ELITE
Digestive Oncology
38.0 Impact Score
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#5
James P. Allison ELITE
CTLA-4 Immunotherapy
37.0 Impact Score
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#6
Tasuku Honjo ELITE
PD-1 Immunotherapy
35.0 Impact Score
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#7
Gabriel Hortobagyi ELITE
Breast Oncology
31.4 Impact Score
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#8
John D. Minna ELITE
Lung Cancer Biology
31.2 Impact Score
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#9
Alok Thakar ELITE
ENT Oncology - Head & Neck cancer
22.0 Impact Score
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#10
Alok Srivastava ELITE
Hematology - Hemophilia research
22.0 Impact Score
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View all 35 physicians in Oncology →
👂

ENT & Head/Neck

26 physicians
🥇
Graham A. Colditz TITAN
Cancer Prevention
75.8 Impact Score
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🥈
Jeffrey L. Cummings ELITE
Alzheimer’s Drug Development
39.2 Impact Score
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🥉
Lotte B. Knudsen ELITE
GLP-1 Drug Development
27.6 Impact Score
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#4
Ron D. Hays ELITE
Patient-Reported Outcomes
24.4 Impact Score
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#5
S. V. Madhu ELITE
Diabetes management
22.0 Impact Score
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#6
T. S. Sathyanarayana Rao ELITE
Mental health research
22.0 Impact Score
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#7
Krishna Ella ELITE
Vaccinology - Covaxin development
22.0 Impact Score
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#8
S. Arulselvan ELITE
Drug development
22.0 Impact Score
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#9
Geraldine Dawson
Autism Early Intervention
16.8 Impact Score
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#10
Alok Kulkarni
Community mental health
0.0 Impact Score
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View all 26 physicians in ENT & Head/Neck →
👶

Pediatrics

16 physicians
🥇
Akhil Maheshwari ELITE
Neonatology
92.0 Impact Score
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🥈
A. P. Dubey ELITE
Pediatrics
88.0 Impact Score
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🥉
Vinod Paul ELITE
Neonatology - Public health systems
22.0 Impact Score
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#4
M. K. Bhan ELITE
Pediatrics & Vaccinology
22.0 Impact Score
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#5
Alireza Marandi
Pediatrics
0.0 Impact Score
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#6
ASM Matiur Rahman
Pediatrics
0.0 Impact Score
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#7
Eskinder Negash
Pediatrics
0.0 Impact Score
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#8
Fe del Mundo
Pediatrics
0.0 Impact Score
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#9
Glenda Gray
Pediatrics
0.0 Impact Score
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#10
Hector Galvez
Pediatrics
0.0 Impact Score
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View all 16 physicians in Pediatrics →
🔬

Pathology & Laboratory

6 physicians
🥇
David A. Bennett ELITE
Alzheimer’s Pathology
35.8 Impact Score
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🥈
Elaine S. Jaffe ELITE
Hematopathology
35.2 Impact Score
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🥉
Adriano Aguzzi
Neuropathology
0.0 Impact Score
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#4
George Papanicolaou
Cytopathology
0.0 Impact Score
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#5
Manuel Sobrinho Simões
Pathology
0.0 Impact Score
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#6
Nikolai Anichkov
Pathology
0.0 Impact Score
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👁️

Ophthalmology & Vision

5 physicians
🥇
A. K. Grover ELITE
Ophthalmology
22.0 Impact Score
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🥈
Sanjay Mehta ELITE
Corneal transplant
22.0 Impact Score
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🥉
Claudio Lottenberg
Ophthalmology
0.0 Impact Score
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#4
Nila Moeloek
Ophthalmology / Health Policy
0.0 Impact Score
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#5
R. K. Grover
Corneal transplant systems
0.0 Impact Score
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👩‍⚕️

Women's Health

5 physicians
🥇
Hossam Badrawi
Obstetrics
0.0 Impact Score
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🥈
Ignaz Semmelweis
Obstetrics
0.0 Impact Score
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🥉
Suresh Kumar
Obstetrics
0.0 Impact Score
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#4
Yifru Berhan
Obstetrics
0.0 Impact Score
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#5
Nandita Palshetkar
IVF & fertility
0.0 Impact Score
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🧘

Psychiatry & Mental Health

4 physicians
🥇
Dennis S. Charney ELITE
Psychiatry & Resilience
36.8 Impact Score
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🥈
Eric J. Nestler ELITE
Molecular Psychiatry
33.4 Impact Score
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🥉
B. N. Gangadhar ELITE
Psychiatry - Depression research
22.0 Impact Score
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#4
Alok Sarin
Clinical psychiatry leadership
0.0 Impact Score
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🚑

Emergency & Critical Care

2 physicians
🥇
Ramaiah Muthyala
Trauma systems
0.0 Impact Score
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🥈
V. N. Reddy
Neurotrauma systems
0.0 Impact Score
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🏥

Urology

2 physicians
🥇
P. S. Reddy ELITE
Kidney transplantation
22.0 Impact Score
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🥈
M. K. Mani
Kidney transplant pioneer
0.0 Impact Score
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🧴

Dermatology

1 physicians
🥇
Olga Bohomolets
Dermatology
0.0 Impact Score
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🦴

Orthopedics & Sports

1 physicians
🥇
Ashok Rajgopal
Joint replacement
0.0 Impact Score
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How We Rank

MDRPedia rejects reputation-based surveys. Our Impact Quotient is calculated using a transparent, data-driven algorithm.

📊

Data Sources

We aggregate from PubMed, Scopus, ClinicalTrials.gov, and verified hospital registries. Our crawlers index 30,000+ journals daily.

⚖️

Weighted Citations

Not all citations are equal. A Lancet citation weighs 50x more than a predatory journal. Lead authorship scores higher than co-authorship.

🏆

Honor Integration

Nobel laureates and national honor recipients receive floor protection. Verified awards contribute to the final score.

Tier Classifications

TITAN Top 0.01%

Living legends who have invented procedures, written definitive textbooks, or led global health initiatives.

ELITE Top 1%

National leaders and department chairs at major academic medical centers. The "doctors' doctors."

MASTER Top 3%

High-volume, high-outcome experts who anchor their local medical communities.