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Hospital / health system · Louisville · United States

Norton Healthcare

In research, Norton Healthcare stands highest in Medicine (#5,408 of 10,443 worldwide) and Health Sciences (#6,982 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery and Epidemiology — Surgery is 7.8× its share of world research.

nortonhealthcare.comROR OpenAlex
World rank, 2022–2025
#15,085
of 28,054 · #18,113 all time
Rank in United States
#2,126
of 4,192
Research works
948
▲ 54% vs 2013–17
Citations
14k
14.5 per fractional work
Top-10% rate
12.3%
record average 16.5%
Open access
33%
world 28%

What is Norton Healthcare known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #5,408 of 10,443 12.1%178 #7849
Health SciencesDomain #6,982 of 11,982 11.9%188 #7980

Each strip is that field’s whole ranked pool, with the notch where Norton Healthcare sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Norton Healthcare specialise in?

Where its research is concentrated relative to its size: Surgery takes 7.8× the share of its output that it takes of world research.

  1. SurgerySubfield · 44.4 works7.8×
  2. EpidemiologySubfield · 20.6 works6.0×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.05× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.94× its world share, 12 worksBiochemistry, Geneti…Immunology and Microbiology: 2.60× its world share, 6 worksImmunology and Micro…Neuroscience: 1.40× its world share, 6 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.31× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.07× its world share, 0 worksChemistryComputer Science: 0.10× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.28× its world share, 1 worksEarth and Planetary …Engineering: 0.18× its world share, 6 worksEngineeringEnvironmental Science: 0.13× its world share, 2 worksEnvironmental ScienceMathematics: 0.21× its world share, 1 worksMathematicsPhysics and Astronomy: 0.02× its world share, 0 worksPhysics and AstronomyHealth Professions: 1.37× its world share, 9 worksHealth ProfessionsMedicine: 3.82× its world share, 178 worksMedicineNursing: 0.71× its world share, 1 worksNursingVeterinary: 0.84× its world share, 0 worksVeterinaryArts and Humanities: 0.15× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.17× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.47× its world share, 2 worksEconomics, Econometr…Psychology: 0.97× its world share, 7 worksPsychologySocial Sciences: 0.20× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.8×. Every wedge is a field page.

Who are the top researchers at Norton Healthcare?

Ranked on the composite score, John Hamm, Don A. Stevens and Mladen Djurasovic lead among researchers whose main affiliation is Norton Healthcare.

  1. 1 John Hamm United States · #131,322 worldwide 529 citations · 20 works
  2. 2 Don A. Stevens United States · #134,485 worldwide 142 citations · 27 works
  3. 3 Mladen Djurasovic United States · #235,664 worldwide 102 citations · 29 works
  4. 4 Charles H. Crawford United States · #275,918 worldwide 32 citations · 39 works
  5. 5 Karl Barth United States · #367,652 worldwide 4 citations · 34 works
  6. 6 John R. Dimar United States · #628,531 worldwide 59 citations · 41 works
  7. 7 Steven D. Glassman United States · #743,427 worldwide 101 citations · 86 works
  8. 8 Leah Y. Carreon United States · #907,855 worldwide 95 citations · 110 works
  9. 9 Jeffrey L. Gum United States · #975,193 worldwide 55 citations · 90 works
  10. 10 Thomas Chandler United States · #1,188,857 worldwide 17 citations · 21 works
All ranked researchers at Norton Healthcare

Which keywords describe research at Norton Healthcare?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Spinal Fusion, Degenerative Disc Disease, Clinical Outcomes, Low Back Pain, Surgical Treatment, Spinal Surgery and Intervertebral Disc.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology43▲ 4.5×70 topics
  2. Spinal Fusion18▲ 78×2 topics
  3. Degenerative Disc Disease16▲ 70×2 topics
  4. Clinical Outcomes14▲ 26×5 topics
  5. Low Back Pain13▲ 31×3 topics
  6. Surgical Treatment12▲ 25×4 topics
  7. Spinal Surgery12▲ 61×2 topics
  8. Intervertebral Disc11▲ 68×1 topic
  9. Lumbar Disc Degeneration11▲ 68×1 topic
  10. Treatment11▲ 3.6×21 topics
  11. Diagnosis9▲ 3.9×18 topics
  12. Clinical Practice Guidelines9▲ 6.5×12 topics
  13. Quality of Life8▲ 2.4×20 topics
  14. Risk Factors8▲ 3.2×17 topics
  15. Antimicrobial Resistance8▲ 17×6 topics
  16. Immunotherapy7▲ 4.1×17 topics
  17. Scoliosis7▲ 99×1 topic
  18. Spinal Deformity7▲ 99×1 topic
  19. Complications6▲ 5.0×13 topics
  20. Biomechanics6▲ 7.8×5 topics
  21. Neurological Disorders6▲ 4.2×14 topics
  22. Drug Resistance5▲ 7.7×5 topics
  23. Healthcare-Associated Infections5▲ 18×5 topics
  24. Respiratory Infections5▲ 18×2 topics
  25. Dysphagia5▲ 36×2 topics
  26. Pain Management5▲ 9.5×7 topics
  27. Vaccination5▲ 29×2 topics
  28. Chronic Pain5▲ 9.6×5 topics
  29. Health-related Quality of Life5▲ 8.8×3 topics
  30. Vaccine Development5▲ 8.2×4 topics
  31. Viral Infections5▲ 37×2 topics
  32. Anterior Cervical Discectomy5▲ 73×1 topic
  33. Cervical Spine Surgery5▲ 73×1 topic
  34. Community-Acquired Pneumonia5▲ 60×1 topic
  35. Medical Education5▲ 7.9×10 topics
  36. Pneumococcal Conjugate Vaccine5▲ 60×1 topic
  37. Human Metapneumovirus5▲ 43×1 topic
  38. Respiratory Syncytial Virus5▲ 43×1 topic
  39. Pedicle Screw Fixation5▲ 49×1 topic
  40. Vertebroplasty5▲ 49×1 topic

Which research topics does Norton Healthcare publish most on?

By volume in 2022–2025: Spine and Intervertebral Disc Pathology, Scoliosis diagnosis and treatment, Pneumonia and Respiratory Infections and Cervical and Thoracic Myelopathy.

Spine and Intervertebral…11Spine and Intervertebral Disc Pathology: 11 fractional worksScoliosis diagnosis and treatment: 7 fractional worksPneumonia and Respiratory Infections: 5 fractional worksCervical and Thoracic Myelopathy: 5 fractional worksRespiratory viral infections research: 5 fractional worksSpinal Fractures and Fixation Techniques: 5 fractional worksPeripheral Nerve Disorders3Peripheral Nerve Disorders: 3 fractional worksMedical Imaging and Analysis: 3 fractional worksAntibiotic Use and Resistance: 3 fractional worksOrthopedic Surgery and Rehabilitation: 3 fractional works
Pathology and Forensic MedicineSurgeryEpidemiologyRadiology, Nuclear Medicine and Imaging2 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 11 works
  2. 2 Scoliosis diagnosis and treatment Surgery 7 works
  3. 3 Pneumonia and Respiratory Infections Epidemiology 5 works
  4. 4 Cervical and Thoracic Myelopathy Surgery 5 works
  5. 5 Respiratory viral infections research Epidemiology 5 works
  6. 6 Spinal Fractures and Fixation Techniques Surgery 5 works
  7. 7 Peripheral Nerve Disorders Radiology, Nuclear Medicine and Imaging 3 works
  8. 8 Medical Imaging and Analysis Biomedical Engineering 3 works
  9. 9 Antibiotic Use and Resistance Applied Microbiology and Biotechnology 3 works
  10. 10 Orthopedic Surgery and Rehabilitation Surgery 3 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available32.6%not open67.4%

World: 28% of research is openly available.

with international co-authors12.5%domestic only87.5%

World: 19% is written across borders.

How has Norton Healthcare's research output changed?

Output in 2018–2022 was 54% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Louisville

All research institutions in Louisville

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.