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Hospital / health system · Los Angeles · United States

UCLA Health

In research, UCLA Health stands highest in Health Sciences (#1,298 of 11,982 worldwide), Medicine (#1,221 of 10,443 worldwide) and Social Sciences (#1,494 of 10,521 worldwide), 2022–2025. Relative to its size it is most specialised in Cardiology and Cardiovascular Medicine — Cardiology and Cardiovascular Medicine is 4.1× its share of world research.

uclahealth.org/Pages/Home.aspxROR OpenAlex
World rank, 2022–2025
#2,109
of 28,054 · #1,017 all time
Rank in United States
#329
of 4,192
Research works
13k
◆ 1% vs 2013–17
Citations
424k
32.8 per fractional work
Top-10% rate
15.5%
record average 16.5%
Open access
35%
world 28%

What is UCLA Health 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
Health SciencesDomain #1,298 of 11,982 12.0%888 #399
MedicineField #1,221 of 10,443 10.5%772 #426
Social SciencesDomain #1,494 of 10,521 23.5%413 #689
Computer ScienceField #793 of 4,667 23.0%117 #360
Life SciencesDomain #1,653 of 7,800 11.7%259 #855
Physical SciencesDomain #3,435 of 12,888 18.3%306 #1563
Social SciencesField #1,869 of 6,365 23.6%195 #684
PsychologyField #863 of 2,181 23.4%75 #686
Arts and HumanitiesField #995 of 1,998 26.8%69 #872
General Health ProfessionsSubfield #495 of 916 24.0%67 #188

Each strip is that field’s whole ranked pool, with the notch where UCLA Health 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Health Sciences#399 #1,298
  2. Medicine#426 #1,221
  3. Social Sciences#689 #1,494
  4. Computer Science#360 #793
  5. Life Sciences#855 #1,653
  6. Physical Sciences#1,563 #3,435
  7. Social Sciences#684 #1,869
  8. Psychology#686 #863
  9. Arts and Humanities#872 #995
  10. General Health Professions#188 #495
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does UCLA Health specialise in?

Where its research is concentrated relative to its size: Cardiology and Cardiovascular Medicine takes 4.1× the share of its output that it takes of world research.

  1. Cardiology and Cardiovascular MedicineSubfield · 79.9 works4.1×
← 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: 0.10× its world share, 9 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.49× its world share, 148 worksBiochemistry, Geneti…Immunology and Microbiology: 1.60× its world share, 30 worksImmunology and Micro…Neuroscience: 2.22× its world share, 67 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.68× its world share, 4 worksPharmacology, Toxico…Chemical Engineering: 0.22× its world share, 1 worksChemical EngineeringChemistry: 0.32× its world share, 9 worksChemistryComputer Science: 0.81× its world share, 117 worksComputer ScienceEarth and Planetary Sciences: 0.52× its world share, 15 worksEarth and Planetary …Energy: 0.07× its world share, 1 worksEnergyEngineering: 0.26× its world share, 73 worksEngineeringEnvironmental Science: 0.35× its world share, 32 worksEnvironmental ScienceMaterials Science: 0.14× its world share, 9 worksMaterials ScienceMathematics: 1.10× its world share, 24 worksMathematicsPhysics and Astronomy: 0.57× its world share, 23 worksPhysics and AstronomyDentistry: 0.86× its world share, 8 worksDentistryHealth Professions: 1.97× its world share, 97 worksHealth ProfessionsMedicine: 2.15× its world share, 772 worksMedicineNursing: 1.08× its world share, 10 worksNursingVeterinary: 0.63× its world share, 2 worksVeterinaryArts and Humanities: 1.27× its world share, 69 worksArts and HumanitiesBusiness, Management and Accounting: 0.26× its world share, 16 worksBusiness, Management…Decision Sciences: 0.53× its world share, 10 worksDecision SciencesEconomics, Econometrics and Finance: 1.22× its world share, 49 worksEconomics, Econometr…Psychology: 1.33× its world share, 76 worksPsychologySocial Sciences: 0.83× its world share, 195 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Neuroscience, 2.2×. Every wedge is a field page.

Who are the top researchers at UCLA Health?

Ranked on the composite score, Lixia Zhang, Amit Sahai and Peter Wollen lead among researchers whose main affiliation is UCLA Health.

  1. 1 Lixia Zhang United States · #7,095 worldwide 1.5k citations · 90 works
  2. 2 Amit Sahai United States · #7,282 worldwide 1.6k citations · 107 works
  3. 3 Peter Wollen United States · #100,917 worldwide 119 citations · 27 works
  4. 4 Jeff Burke United States · #119,940 worldwide 275 citations · 26 works
  5. 5 Larry J. Baraff United States · #161,343 worldwide 165 citations · 20 works
  6. 6 Donald E. Morisky United States · #173,314 worldwide 166 citations · 37 works
  7. 7 Marcel Proust United States · #180,349 worldwide 11 citations · 46 works
  8. 8 Gregory M. Cole United States · #208,884 worldwide 449 citations · 17 works
  9. 9 Phillip Sturgeon United States · #258,299 worldwide 79 citations · 25 works
  10. 10 Jay Martin United States · #340,676 worldwide 91 citations · 17 works
All ranked researchers at UCLA Health

Which keywords describe research at UCLA Health?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Risk Factors, Public Health, Immunotherapy, Cardiovascular Disease, Echocardiography, Quality of Life and Mental Health.

▲ 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. Epidemiology132▲ 1.79×116 topics
  2. Public Health64▲ 2.3×48 topics
  3. Risk Factors59▲ 2.9×34 topics
  4. Inflammation51▲ 1.32×74 topics
  5. Quality of Life49▲ 1.82×49 topics
  6. Mental Health48▲ 1.75×33 topics
  7. Cardiovascular Disease46▲ 2.2×34 topics
  8. Treatment41▲ 1.80×43 topics
  9. Immunotherapy39▲ 3.0×17 topics
  10. Oxidative Stress37▲ 1.22×47 topics
  11. Diagnosis31▲ 1.78×33 topics
  12. Metabolic Syndrome29▲ 1.92×21 topics
  13. Radiotherapy28▲ 3.9×13 topics
  14. Biomarkers28▲ 2.2×17 topics
  15. Genetic Mutations28▲ 3.4×21 topics
  16. Echocardiography27▲ 5.4×8 topics
  17. Neurological Disorders27▲ 2.5×18 topics
  18. Primary Care26▲ 3.7×14 topics
  19. Chemotherapy26▲ 1.98×23 topics
  20. Global Burden26▲ 2.5×11 topics
  21. Clinical Trials26▲ 2.0×19 topics
  22. Health Disparities25▲ 5.2×9 topics
  23. Prognostic Factors25▲ 3.1×14 topics
  24. Clinical Practice Guidelines24▲ 2.3×14 topics
  25. Heart Failure23▲ 2.8×13 topics
  26. Neuroprotection22▲ 3.4×15 topics
  27. Mortality Risk22▲ 5.0×6 topics
  28. Clinical Outcomes21▲ 5.2×6 topics
  29. Magnetic Resonance Imaging19▲ 4.0×6 topics
  30. Health Outcomes19▲ 3.7×8 topics
  31. Treatment Guidelines19▲ 4.6×7 topics
  32. Endothelial Dysfunction18▲ 4.2×8 topics
  33. Pulmonary Hypertension17▲ 6.5×3 topics
  34. Health Care Utilization16▲ 7.6×3 topics
  35. Ischemic Stroke16▲ 5.6×4 topics
  36. Revascularization16▲ 5.4×4 topics
  37. Prevention Guidelines14▲ 7.1×3 topics
  38. Arrhythmias13▲ 7.8×2 topics
  39. Endovascular Therapy12▲ 10×1 topic
  40. Thrombolysis12▲ 10×1 topic

Which research topics does UCLA Health publish most on?

By volume in 2022–2025: Acute Ischemic Stroke Management, Pulmonary Hypertension Research and Treatments, Glioma Diagnosis and Treatment and Cardiovascular Health and Risk Factors.

Acute Ischemic Stroke Ma…12Acute Ischemic Stroke Management: 12 fractional worksPulmonary Hypertension R…12Pulmonary Hypertension Research and Treatments: 12 fractional worksGlioma Diagnosis and Treatment: 10 fractional worksCardiovascular Health and Risk Factors: 8 fractional worksCardiac Arrhythmias and Treatments: 8 fractional worksCerebrovascular and Carotid Artery Diseases: 8 fractional worksHealthcare Policy and Management: 8 fractional worksTransplantation: Methods…7Transplantation: Methods and Outcomes: 7 fractional worksFood Security and Health in Diverse Populations: 7 fractional worksHealth Systems, Economic Evaluations, Quality of Life: 7 fractional works
EpidemiologyPulmonary and Respiratory MedicineGeneticsCardiology and Cardiovascular Medicine3 others

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

  1. 1 Acute Ischemic Stroke Management Epidemiology 12 works
  2. 2 Pulmonary Hypertension Research and Treatments Pulmonary and Respiratory Medicine 12 works
  3. 3 Glioma Diagnosis and Treatment Genetics 10 works
  4. 4 Cardiovascular Health and Risk Factors Cardiology and Cardiovascular Medicine 8 works
  5. 5 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 8 works
  6. 6 Cerebrovascular and Carotid Artery Diseases Pulmonary and Respiratory Medicine 8 works
  7. 7 Healthcare Policy and Management Economics and Econometrics 8 works
  8. 8 Transplantation: Methods and Outcomes Surgery 7 works
  9. 9 Food Security and Health in Diverse Populations General Health Professions 7 works
  10. 10 Health Systems, Economic Evaluations, Quality of Life Economics and Econometrics 7 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 available34.7%not open65.3%

World: 28% of research is openly available.

with international co-authors12.7%domestic only87.3%

World: 19% is written across borders.

How has UCLA Health's research output changed?

Output in 2018–2022 was 1% lower 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 Los Angeles

All research institutions in Los Angeles

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.