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Hospital / health system · New Delhi · India

Indraprastha Apollo Hospitals

In research, Indraprastha Apollo Hospitals stands highest in Medicine (#3,792 of 10,443 worldwide), Health Sciences (#5,104 of 11,982 worldwide) and Surgery (#1,266 of 1,816 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 7.2× its share of world research.

apollohospdelhi.comROR OpenAlex
World rank, 2022–2025
#11,790
of 28,054 · #14,848 all time
Rank in India
#830
of 1,840
Research works
2.4k
▲ 29% vs 2013–17
Citations
16k
6.9 per fractional work
Top-10% rate
7.0%
record average 16.5%
Open access
49%
world 28%

What is Indraprastha Apollo Hospitals 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 #3,792 of 10,443 6.7%408 #3814
Health SciencesDomain #5,104 of 11,982 6.8%426 #4315
SurgerySubfield #1,266 of 1,816 9.7%87 #2392

Each strip is that field’s whole ranked pool, with the notch where Indraprastha Apollo Hospitals 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. Medicine#3,814 #3,792
  2. Health Sciences#4,315 #5,104
  3. Surgery#2,392 #1,266
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 Indraprastha Apollo Hospitals specialise in?

Where its research is concentrated relative to its size: Surgery takes 7.2× the share of its output that it takes of world research.

  1. SurgerySubfield · 87.1 works7.2×
← 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: 0.04× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.02× its world share, 28 worksBiochemistry, Geneti…Immunology and Microbiology: 0.86× its world share, 4 worksImmunology and Micro…Neuroscience: 1.71× its world share, 14 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.30× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.09× its world share, 0 worksChemical EngineeringChemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.08× its world share, 3 worksComputer ScienceEnergy: 0.07× its world share, 0 worksEnergyEngineering: 0.15× its world share, 12 worksEngineeringEnvironmental Science: 0.05× its world share, 1 worksEnvironmental ScienceMathematics: 0.15× its world share, 1 worksMathematicsPhysics and Astronomy: 0.13× its world share, 2 worksPhysics and AstronomyDentistry: 1.33× its world share, 3 worksDentistryHealth Professions: 0.87× its world share, 12 worksHealth ProfessionsMedicine: 4.09× its world share, 408 worksMedicineNursing: 0.74× its world share, 2 worksNursingVeterinary: 1.18× its world share, 1 worksVeterinaryArts and Humanities: 0.18× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.09× its world share, 2 worksBusiness, Management…Decision Sciences: 1.13× its world share, 6 worksDecision SciencesEconomics, Econometrics and Finance: 0.28× its world share, 3 worksEconomics, Econometr…Psychology: 0.45× its world share, 7 worksPsychologySocial Sciences: 0.08× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.1×. Every wedge is a field page.

Who are the top researchers at Indraprastha Apollo Hospitals?

Ranked on the composite score, Rajesh Chawla, Abhishek Vaish and Raju Vaishya lead among researchers whose main affiliation is Indraprastha Apollo Hospitals.

  1. 1 Rajesh Chawla India · #125,499 worldwide 175 citations · 25 works
  2. 2 Abhishek Vaish India · #229,010 worldwide 122 citations · 37 works
  3. 3 Raju Vaishya India · #448,475 worldwide 172 citations · 83 works
  4. 4 Ambrish Mithal India · #518,286 worldwide 85 citations · 25 works
  5. 5 Anita Kaul India · #595,429 worldwide 25 citations · 19 works
  6. 6 Sarath Gopalan India · #636,654 worldwide 39 citations · 16 works
  7. 7 Manish Singhal India · #637,793 worldwide 28 citations · 24 works
  8. 8 Amita Mahajan India · #751,712 worldwide 69 citations · 37 works
  9. 9 Umesh Gupta India · #819,223 worldwide 33 citations · 17 works
  10. 10 SUBHASH KUMAR WANGNOO India · #868,367 worldwide 7 citations · 18 works
All ranked researchers at Indraprastha Apollo Hospitals

Which keywords describe research at Indraprastha Apollo Hospitals?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Treatment, Diagnosis, Complications, Surgical Management, Prognostic Factors, Genetic Mutations and Medical Education.

▲ 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. Epidemiology64▲ 3.1×84 topics
  2. Treatment29▲ 4.6×37 topics
  3. Inflammation24▲ 2.2×49 topics
  4. Diagnosis24▲ 5.0×30 topics
  5. Complications20▲ 7.7×16 topics
  6. Surgical Management19▲ 9.1×18 topics
  7. Prognostic Factors16▲ 7.3×14 topics
  8. Genetic Mutations16▲ 7.1×19 topics
  9. Management16▲ 3.9×25 topics
  10. Quality of Life16▲ 2.1×33 topics
  11. Medical Education15▲ 11×9 topics
  12. Neurological Disorders14▲ 4.9×15 topics
  13. Cardiovascular Disease14▲ 2.4×26 topics
  14. Primary Care14▲ 6.9×10 topics
  15. Immunotherapy13▲ 3.6×14 topics
  16. Clinical Practice Guidelines12▲ 4.3×14 topics
  17. Metabolic Syndrome12▲ 2.9×20 topics
  18. Chemotherapy12▲ 3.3×20 topics
  19. Diabetes12▲ 4.6×13 topics
  20. Revision Surgery12▲ 18×2 topics
  21. Total Hip Replacement12▲ 18×2 topics
  22. Liver Transplantation11▲ 18×4 topics
  23. Training10▲ 9.0×3 topics
  24. Curriculum10▲ 20×3 topics
  25. Pathophysiology10▲ 6.3×9 topics
  26. Guidelines10▲ 4.0×12 topics
  27. Clinical Skills10▲ 74×2 topics
  28. Health-related Quality of Life10▲ 7.8×5 topics
  29. Rheumatology9▲ 49×2 topics
  30. Musculoskeletal Medicine9▲ 131×1 topic
  31. Orthopaedics9▲ 131×1 topic
  32. Rehabilitation9▲ 4.3×9 topics
  33. Prenatal Diagnosis9▲ 12×6 topics
  34. Prognosis8▲ 5.0×9 topics
  35. Surgery8▲ 4.6×11 topics
  36. Graft Survival8▲ 20×2 topics
  37. Autoantibodies8▲ 6.7×7 topics
  38. Glycemic Control7▲ 9.1×4 topics
  39. Arthroplasty7▲ 14×2 topics
  40. Insulin Therapy6▲ 10×3 topics

Which research topics does Indraprastha Apollo Hospitals publish most on?

By volume in 2022–2025: Musculoskeletal Disorders and Rehabilitation, Total Knee Arthroplasty Outcomes, Organ Transplantation Techniques and Outcomes and Orthopaedic implants and arthroplasty.

Musculoskeletal Disorder…9Musculoskeletal Disorders and Rehabilitation: 9 fractional worksTotal Knee Arthroplasty …6Total Knee Arthroplasty Outcomes: 6 fractional worksOrgan Transplantation Te…6Organ Transplantation Techniques and Outcomes: 6 fractional worksOrthopaedic implants and…5Orthopaedic implants and arthroplasty: 5 fractional worksHemoglobinopathies and Related Disorders: 5 fractional worksLiver Disease and Transplantation: 5 fractional worksAcute Lymphoblastic Leuk…4Acute Lymphoblastic Leukemia research: 4 fractional worksNeurology and Historical Studies: 4 fractional worksOrthopedic Infections and Treatments: 4 fractional worksMeningioma and schwannom…4Meningioma and schwannoma management: 4 fractional works
RehabilitationSurgeryGeneticsHepatology3 others

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

  1. 1 Musculoskeletal Disorders and Rehabilitation Rehabilitation 9 works
  2. 2 Total Knee Arthroplasty Outcomes Surgery 6 works
  3. 3 Organ Transplantation Techniques and Outcomes Surgery 6 works
  4. 4 Orthopaedic implants and arthroplasty Surgery 5 works
  5. 5 Hemoglobinopathies and Related Disorders Genetics 5 works
  6. 6 Liver Disease and Transplantation Hepatology 5 works
  7. 7 Acute Lymphoblastic Leukemia research Public Health, Environmental and Occupational Health 4 works
  8. 8 Neurology and Historical Studies Neurology 4 works
  9. 9 Orthopedic Infections and Treatments Surgery 4 works
  10. 10 Meningioma and schwannoma management Epidemiology 4 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 available49.1%not open50.9%

World: 28% of research is openly available.

with international co-authors7.7%domestic only92.3%

World: 19% is written across borders.

How has Indraprastha Apollo Hospitals's research output changed?

Output in 2018–2022 was 29% 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 New Delhi

All research institutions in New Delhi

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.