| Clinical Medicine · 398 listed authors (33.6%) |
| Cardiovascular System & Hematology | 69 | 5.8% | 29 | Filippatos, Gerasimos S. #5,216 |
| Oncology & Carcinogenesis | 29 | 2.4% | 14 | Trichopoulou, Antonia D. #3,756 |
| Endocrinology & Metabolism | 22 | 1.9% | 14 | Chrousos, George P. #966 |
| General & Internal Medicine | 21 | 1.8% | 4 | Micha, Renata #19,987 |
| Obstetrics & Reproductive Medicine | 21 | 1.8% | 3 | Lambrinoudaki, I. V. #45,056 |
| Neurology & Neurosurgery | 19 | 1.6% | 12 | Dalakas, Marinos C. #6,595 |
| Gastroenterology & Hepatology | 18 | 1.5% | 5 | Papatheodoridis, George V. #25,843 |
| Surgery | 18 | 1.5% | 1 | Schizas, Dimitrios N. #84,363 |
| Pharmacology & Pharmacy | 17 | 1.4% | 2 | Karalis, Vangelis D. #79,938 |
| Dentistry | 15 | 1.3% | 0 | Lygidakis, Nick Α. #129,304 |
| Immunology | 14 | 1.2% | 4 | Dimopoulos, Meletios Athanasios #6,240 |
| Arthritis & Rheumatology | 13 | 1.1% | 7 | Tektonidou, Prof Maria G. #11,975 |
| Urology & Nephrology | 12 | 1.0% | 2 | Sarafidis, Pantelis A. #17,689 |
| Dermatology & Venereal Diseases | 10 | 0.8% | 3 | Stratigos, Alexander J. #43,523 |
| Nuclear Medicine & Medical Imaging | 10 | 0.8% | 0 | Klontzas, Michail E. #116,908 |
| Orthopedics | 10 | 0.8% | 1 | Μavrogenis, Andreas F. #67,759 |
| Ophthalmology & Optometry | 9 | 0.8% | 1 | Chatziralli, Irini P. #56,336 |
| Sport Sciences | 9 | 0.8% | 5 | Flouris, Andreas D. #29,014 |
| Otorhinolaryngology | 8 | 0.7% | 0 | Nikolopoulos, Thomas P. #317,748 |
| Respiratory System | 7 | 0.6% | 1 | BOUROS, D. E. #92,655 |
| Pediatrics | 6 | 0.5% | 1 | Zaoutis, Theoklis E. #28,925 |
| Psychiatry | 3 | 0.3% | 3 | Fountoulakis, K. N. #50,570 |
| Allergy | 2 | 0.2% | 1 | Papadopoulos, N. G. #65,682 |
| Complementary & Alternative Medicine | 1 | 0.1% | 0 | Darviri, Christina #458,726 |
| Emergency & Critical Care Medicine | 1 | 0.1% | 0 | Giamarellos-Bourboulis, Evangelos J. #100,212 |
| Environmental & Occupational Health | 1 | 0.1% | 0 | Alexopoulos, Evangelos C. #103,080 |
| Legal & Forensic Medicine | 1 | 0.1% | 0 | Kranioti, Elena F. #514,168 |
| Enabling & Strategic Technologies · 135 listed authors (11.4%) |
| Energy | 60 | 5.1% | 24 | Hatziargyriou, Nikos D. #2,496 |
| Materials | 25 | 2.1% | 5 | Kechagias, John D. #10,429 |
| Biotechnology | 18 | 1.5% | 6 | Markou, Giorgos #22,563 |
| Optoelectronics & Photonics | 17 | 1.4% | 0 | Nikolakopoulos, Konstantinos G. #176,972 |
| Strategic, Defence & Security Studies | 10 | 0.8% | 4 | Vamvatsikos, Dimitrios I. #15,110 |
| Nanoscience & Nanotechnology | 3 | 0.3% | 3 | Stoumpos, Constantinos C. #12,917 |
| Information & Communication Technologies · 131 listed authors (11.1%) |
| Artificial Intelligence & Image Processing | 79 | 6.7% | 22 | Kotsiantis, Sotiris B. #2,710 |
| Networking & Telecommunications | 35 | 3.0% | 7 | Karagiannidis, George K. #18,845 |
| Computer Hardware & Architecture | 4 | 0.3% | 0 | Kachris, Christoforos #330,420 |
| Software Engineering | 3 | 0.3% | 1 | Spinellis, Diomidis D. #43,700 |
| Medical Informatics | 2 | 0.2% | 0 | Bamidis, Panagiotis D. #128,604 |
| Computation Theory & Mathematics | 1 | 0.1% | 1 | Achlioptas, Dimitris #59,954 |
| Information Systems | 1 | 0.1% | 1 | Ioannidis, Yannis E. #71,639 |
| Engineering · 109 listed authors (9.2%) |
| Industrial Engineering & Automation | 21 | 1.8% | 8 | Mourtzis, Dimitris #1,840 |
| Environmental Engineering | 18 | 1.5% | 5 | Koutsoyiannis, Demetris #9,540 |
| Chemical Engineering | 16 | 1.4% | 7 | Panagopoulos, Argyris #5,441 |
| Civil Engineering | 14 | 1.2% | 7 | Asteris, Panagiotis G. #2,778 |
| Mechanical Engineering & Transports | 10 | 0.8% | 1 | Aifantis, Elias C. #11,948 |
| Electrical & Electronic Engineering | 9 | 0.8% | 1 | Agelidis, Vassilios G. #79,103 |
| Biomedical Engineering | 6 | 0.5% | 1 | Fotiadis, Dimitris Ioannis Phd #77,034 |
| Geological & Geomatics Engineering | 6 | 0.5% | 6 | Gazetas, George C. #6,499 |
| Operations Research | 5 | 0.4% | 5 | Mavrotas, George #24,902 |
| Aerospace & Aeronautics | 2 | 0.2% | 0 | Panagiotou, Pericles #477,138 |
| Mining & Metallurgy | 2 | 0.2% | 0 | Panias, Dimitrios #175,566 |
| Chemistry · 75 listed authors (6.3%) |
| Analytical Chemistry | 15 | 1.3% | 7 | Samanidou, Victoria F. #34,086 |
| Polymers | 15 | 1.3% | 4 | Bikiaris, Dimitrios N. #4,907 |
| Medicinal & Biomolecular Chemistry | 14 | 1.2% | 0 | Chinou, Ioanna B. #135,834 |
| Physical Chemistry | 11 | 0.9% | 5 | Konsolakis, Michalis #38,423 |
| Inorganic & Nuclear Chemistry | 9 | 0.8% | 2 | Raptopoulou, Catherine P. #72,516 |
| Organic Chemistry | 7 | 0.6% | 1 | Valavanidis, Athanasios #53,851 |
| Physics & Astronomy · 70 listed authors (5.9%) |
| Applied Physics | 28 | 2.4% | 6 | Galanakis, Iosif #30,251 |
| Nuclear & Particle Physics | 20 | 1.7% | 6 | Saridakis, Emmanuel N. #2,991 |
| Optics | 11 | 0.9% | 2 | Kantaros, Antreas #26,972 |
| Chemical Physics | 6 | 0.5% | 4 | Kyzas, George Z. #3,424 |
| Fluids & Plasmas | 4 | 0.3% | 1 | Frantzeskakis, Dimitrios J. #82,684 |
| General Physics | 4 | 0.3% | 0 | Paspalakis, Emmanuel #148,894 |
| Acoustics | 3 | 0.3% | 1 | Papadimitriou, Costas #26,075 |
| Astronomy & Astrophysics | 2 | 0.2% | 1 | Antoniadis, John #50,626 |
| Agriculture, Fisheries & Forestry · 68 listed authors (5.7%) |
| Food Science | 30 | 2.5% | 19 | Biliaderis, Costas G. #15,364 |
| Agronomy & Agriculture | 9 | 0.8% | 5 | Damalas, Christos Asterios #4,196 |
| Dairy & Animal Science | 9 | 0.8% | 0 | Giannenas, Ilias A. #173,054 |
| Forestry | 5 | 0.4% | 0 | Kamperidou, Vasiliki #134,773 |
| Veterinary Sciences | 5 | 0.4% | 0 | Saridomichelakis, Manolis N. #358,925 |
| Fisheries | 4 | 0.3% | 0 | Stergiou, Konstantinos I. #157,098 |
| Horticulture | 1 | 0.1% | 0 | Koundouras, Stefanos #384,497 |
| Biomedical Research · 60 listed authors (5.1%) |
| Microbiology | 40 | 3.4% | 11 | Latgé, Jean Paul #8,057 |
| Biochemistry & Molecular Biology | 14 | 1.2% | 5 | Karamanos, Nikos K. #21,229 |
| Nutrition & Dietetics | 9 | 0.8% | 5 | Papadopoulou, Sousana K. #11,984 |
| Anatomy & Morphology | 6 | 0.5% | 0 | Natsis, Konstantinos I. #195,674 |
| Developmental Biology | 4 | 0.3% | 2 | Tavernarakis, Nektarios #20,621 |
| Genetics & Heredity | 3 | 0.3% | 0 | Patrinos, George P. #114,808 |
| Virology | 3 | 0.3% | 0 | Touloumi, Giota #222,524 |
| Mycology & Parasitology | 2 | 0.2% | 0 | Papadopoulos, Elias G. #219,351 |
| Toxicology | 2 | 0.2% | 0 | Analitis, Antonis #193,561 |
| Economics & Business · 39 listed authors (3.3%) |
| Business & Management | 15 | 1.3% | 15 | Kitsios, Fotis C. #31,495 |
| Logistics & Transportation | 11 | 0.9% | 8 | Papageorgiou, Markos #18,513 |
| Economics | 4 | 0.3% | 3 | Apergis, Nicholas #1,242 |
| Finance | 4 | 0.3% | 4 | Chatziantoniou, Ioannis #41,429 |
| Sport, Leisure & Tourism | 3 | 0.3% | 3 | Stylidis, Dimitrios #15,321 |
| Marketing | 2 | 0.2% | 2 | Tarnanidis, Theodore K. #41,695 |
| Econometrics | 1 | 0.1% | 1 | Assimakopoulos, Vassilios #92,148 |
| Earth & Environmental Sciences · 31 listed authors (2.6%) |
| Environmental Sciences | 21 | 1.8% | 16 | Dionysiou, Dionysios Demetriou #5,527 |
| Meteorology & Atmospheric Sciences | 8 | 0.7% | 6 | Matzarakis, A. P. #6,409 |
| Geochemistry & Geophysics | 3 | 0.3% | 1 | Stiros, Stathis C. #99,461 |
| Oceanography | 2 | 0.2% | 1 | Vousdoukas, Michalis Ioannis #33,864 |
| Biology · 26 listed authors (2.2%) |
| Plant Biology & Botany | 15 | 1.3% | 3 | Petropoulos, S. A. #20,163 |
| Entomology | 7 | 0.6% | 2 | Vontas, John G. #45,270 |
| Marine Biology & Hydrobiology | 3 | 0.3% | 2 | Katsanevakis, Stelios #12,761 |
| Ecology | 2 | 0.2% | 1 | Petanidou, Theodora #45,375 |
| Zoology | 1 | 0.1% | 0 | Karaouzas, Ioannis #383,556 |
| Social Sciences · 11 listed authors (0.9%) |
| Education | 14 | 1.2% | 10 | Papadakis, Stamatios J. #5,214 |
| Political Science & Public Administration | 1 | 0.1% | 1 | Stavrakakis, Yannis #27,665 |
| Mathematics & Statistics · 10 listed authors (0.8%) |
| Applied Mathematics | 4 | 0.3% | 2 | Papadrakakis, Manolis #80,359 |
| General Mathematics | 4 | 0.3% | 2 | Rassias, Th Michael #23,035 |
| Statistics & Probability | 2 | 0.2% | 2 | Mavridis, Dimitrios #30,425 |
| Numerical & Computational Mathematics | 1 | 0.1% | 0 | Akrivis, Georgios D. #138,860 |
| Built Environment & Design · 6 listed authors (0.5%) |
| Building & Construction | 6 | 0.5% | 5 | Papadakis, V. G. #16,500 |
| Urban & Regional Planning | 2 | 0.2% | 1 | Angelidou, Margarita #27,772 |
| Historical Studies · 6 listed authors (0.5%) |
| Archaeology | 5 | 0.4% | 1 | Karkanas, Panagiotis #57,957 |
| Classics | 1 | 0.1% | 0 | Vlassopoulos, Kostas #343,806 |
| History | 1 | 0.1% | 0 | Kitromilides, Paschalis M. #525,212 |
| Psychology & Cognitive Sciences · 5 listed authors (0.4%) |
| Social Psychology | 2 | 0.2% | 1 | Efklides, Anastasia #16,482 |
| Developmental & Child Psychology | 1 | 0.1% | 1 | Motti, Frosso #72,171 |
| Public Health & Health Services · 4 listed authors (0.3%) |
| Nursing | 5 | 0.4% | 2 | Fradelos, Evangelos C. #82,810 |
| Public Health | 4 | 0.3% | 2 | Vardavas, Constantine Ilias #41,063 |
| Substance Abuse | 1 | 0.1% | 1 | Farsalinos, Konstantinos #83,664 |