E. John Orav

46.8k citations

446 papers · 33.5k indexed · 23 hit papers · h-index 95

Impact in

Cardiology and Cardiovascular Medicine top 0.1%
- Cardiomyopathy and Myosin Studies
Emergency Medicine top 0.05%
- Emergency and Acute Care Studies

Papers in

Geriatrics and Gerontology 37
- Frailty in Older Adults 25
Emergency Medicine 65
- Emergency and Acute Care Studies 39

Co-authors: Ashish K. Jha Arnold M. Epstein Heike A. Bischoff‐Ferrari Karen E. Joynt Bess Dawson‐Hughes Steven E. Lipshultz David W. Bates Steven D. Colan
Journals: Health Affairs (22 papers)Journal of General Internal Medicine (21 papers)JAMA Network Open (20 papers)New England Journal of Medicine (20 papers)Circulation (16 papers)
Partner nations: United States Switzerland United Kingdom

In The Last Decade

E. John Orav

438 papers receiving 32.2k citations

Hit Papers

15 papers align trajectories log scale

Individual and additive effects of vitamin D, omega-3 and exercise on DNA methylation clocks of biological aging in older adults from the DO-HEALTH trial 2025 · 27 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2025 Nature Aging
2019 JAMA Internal Medicine
2019 New England Journal of Medicine
2018 BMJ
2016 JAMA Internal Medicine
2016 JAMA Internal Medicine
2016 New England Journal of Medicine
2014 Annals of Surgery
2013 New England Journal of Medicine
2013 JAMA Internal Medicine
2012 New England Journal of Medicine
2009 Archives of Internal Medicine
2008 New England Journal of Medicine
2006 JAMA
2005 Archives of General Psychiatry
2004 American Journal of Clinical Nutrition
2004 The American Journal of Medicine
2003 New England Journal of Medicine
2003 New England Journal of Medicine
2002 New England Journal of Medicine
2000 Medical Care
1995 New England Journal of Medicine
1993 Science

Peers

Countries citing papers authored by E. John Orav

Since Specialization

Citations

This map shows the geographic impact of E. John Orav's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by E. John Orav with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites E. John Orav more than expected).

Fields of papers citing papers by E. John Orav

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by E. John Orav. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by E. John Orav. The network helps show where E. John Orav may publish in the future.

Co-authorship network

The 25 scholars most cited alongside E. John Orav, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with E. John Orav Line = papers co-authored together E. John Orav links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Experiences with Medicaid unwinding among low-income adults in 4 southern states Health Affairs Scholar ·Comercial Vasquez y Vasquez Limitada, Benjamin D. Sommers, Belal Zakarneh, E. John Orav, Arnold M. Epstein, José F. Figueroa	2025	0
2	Medicaid Eligibility Loss Among Dual-Eligible Beneficiaries Before and During COVID-19 Public Health Emergency JAMA Network Open ·Ploegaert, Eric T. Roberts, Kenton J. Johnston, E. John Orav, José F. Figueroa	2024	7
3	Effects of testosterone and vitamin D on fall risk in pre-frail hypogonadal men: a factorial design RCT The journal of nutrition health & aging ·Heike A. Bischoff‐Ferrari, Melanie Kistler-Fischbacher, Zhuokui Zhang, Thomas Münzer, Bess Dawson‐Hughes, Wei Lang, Robert Theiler, Andreas Egli, E. John Orav, Marianne Y. Mahoney	2024	1
4	Adherence to the MIND diet and the odds of mild cognitive impairment in generally healthy older adults: The 3-year DO-HEALTH study The journal of nutrition health & aging ·Franklyne Chineye Akubukor, Zhuokui Zhang, Walter C. Willett, E. John Orav, K SCHUSTER, QI Gui-ron, A.J.C. Lee, Ralph C. Schimmer, Bruno Vellas, Reto W. Kressig, Andreas Egli, Bess Dawson‐Hughes, Heike A. Bischoff‐Ferrari	2024	1
5	Evaluation of Low-Value Services Across Major Medicare Advantage Insurers and Traditional Medicare JAMA Network Open ·José Andrés Posada-Marín, Adam L. Beckman, Ishani Ganguli, Mark J. Soto, E. John Orav, Thomas C. Tsai, Austin B. Frakt, José F. Figueroa	2024	5
6	Effects of vitamin D, omega-3 and a simple strength exercise programme in cardiovascular disease prevention: The DO-HEALTH randomized controlled trial The journal of nutrition health & aging ·Zhuokui Zhang, Angélique Sadlon, Caroline de Godoi Rezende Costa Molino, Walter C. Willett, JoAnn E. Manson, Bruno Vellas, Elisabeth Steinhagen‐Thiessen, Arnold von Eckardstein, Frank Ruschitzka, René Rizzoli, José António Pereira da Silva, Reto W. Kressig, John А. Kanis, E. John Orav, Andreas Egli, Heike A. Bischoff‐Ferrari	2024	6
7	Cost, Utilization, and Patient and Family Experience With ACO-Based Pediatric Care Management PEDIATRICS ·Katherine H. Schiavoni, Sâmia Cordovil de Almeida, Grazia Gulino, E. John Orav, Lina Pryssander, Erin J. Maher, 王振庭, Jakub Stano, Bartram Hamilton, J. L. B., J. Watson, Mallika L. Mendu, Christine Vogeli	2023	2
8	Trends in performance of hospital outpatient procedures and associated 30-day costs among Medicare beneficiaries from 2011 to 2018 Healthcare ·Laura Burke, Ryan C. Burke, E. John Orav, P. Grand, Sergey Gennadyevich Sternik, Paulina Jędrasik, Ashish K. Jha, Thomas C. Tsai	2023	4
9	Association between patient-surgeon gender concordance and mortality after surgery in the United States: retrospective observational study BMJ ·Christopher J.D. Wallis, Angela Jerath, 大井龍司, Raj Satkunasivam, Justin B. Dimick, E. John Orav, Melinda Maggard‐Gibbons, Ruixin Li, Arghavan Salles, Zachary Klaassen, Natalie G. Coburn, Barbara L. Bass, Allan S. Detsky, Yusuke Tsugawa	2023	13
10	Disparities in property insurance relief among socially vulnerable Texas communities after Winter Storm Uri Health Affairs Scholar ·홍성란, Renee N. Salas, Mark J. Soto, E. John Orav, José F. Figueroa	2023	0
11	Playing a musical instrument is associated with slower cognitive decline in community-dwelling older adults Aging Clinical and Experimental Research ·P. Constantinou, Alex Marzel, E. John Orav, Patricia Chocano-Bedoya, T. V. Khrisanova, K SCHUSTER, Malgorzata Kazana, Hannes B. Stähelin, Andreas Egli, Heike A. Bischoff‐Ferrari	2020	22
12	The role of water and sanitation, diarrheal infection, and breastfeeding on child stunting: insights from a historical analysis of the Cebu longitudinal health and nutrition survey, 1984–1986 Rockli Kim, S. V. Subramanian, E. John Orav, Wafaie Fawzi	2019	7
13	Total Serum Testosterone and Western Ontario and McMaster Universities Osteoarthritis Index Pain and Function Among Older Men and Women With Severe Knee Osteoarthritis Arthritis Care & Research ·Marianne Y. Mahoney, Karina Fischer, E. John Orav, Adrian Egli, Robert Theiler, Thomas Münzer, David T. Felson, Heike A. Bischoff‐Ferrari	2019	24
14	Long-term Risk of Colorectal Cancer and Related Death After Adenoma Removal in a Large, Community-based Population Gastroenterology ·Jeffrey K. Lee, Christopher D. Jensen, Theodore R. Levin, Chyke A. Doubeni, Ann G. Zauber, Jessica Chubak, Aruna Kamineni, Joanne E. Schottinger, Nirupa R. Ghai, Natalia Udaltsova, Wei Zhao, Bruce Fireman, Charles P. Quesenberry, E. John Orav, Celette Sugg Skinner, Ethan A. Halm, Douglas A. Corley	2019	93
15	Spending Among Patients With Cancer in the First 2 Years of Accountable Care Organization Participation Journal of Clinical Oncology ·Miranda B. Lam, José F. Figueroa, Jie Zheng, E. John Orav, Ashish K. Jha	2018	13
16	Comparing Electronic Health Record Portals to Obtain Patient-Entered Family Health History in Primary Care Journal of General Internal Medicine ·Michael F. Murray, Monica A. Giovanni, Elissa V. Klinger, Lan Guo, Lucas Marinacci, Tânia Mara Almeida, Phyllis Brawarsky, Beatriz H. Rocha, E. John Orav, David W. Bates, Jennifer S. Haas	2013	32
17	Correlates of electronic health record adoption in office practices: a statewide survey. PubMed ·Steven R. Simon, Rainu Kaushal, Paul D. Cleary, Chelsea Jenter, Lynn A. Volk, Eric G. Poon, Deborah Williams, E. John Orav, David W. Bates	2006	22
18	Electronic health records: which practices have them and how are clinicians using them? PubMed ·Steven R. Simon, R. D. Mijares, Rainu Kaushal, Chelsea Jenter, Lynn A. Volk, Eric G. Poon, Hippisley, E. John Orav, Deborah Williams, David W. Bates	2006	4
19	Determinants of Patient Satisfaction and Willingness to Return With Emergency Care Annals of Emergency Medicine ·Benjamin Sun, James G. Adams, E. John Orav, Donald W. Rucker, Troyen A. Brennan, Helen Burstin	2000	23
20	Epidemiology of Sepsis Syndrome in 8 Academic Medical Centers Survey of Anesthesiology ·Kenneth Sands, David W. Bates, Paul N. Lanken, Paul Graman, Patricia L. Hibberd, Katherine L. Kahn, Julie Parsonnet, Robert J. Panzer, E. John Orav, David R. Snydman, Edgar Black, Joel Schwartz, Richard D. Moore, B. Lamar Johnson, Richard Platt	1998	52

About E. John Orav

E. John Orav is a scholar working on Geriatrics and Gerontology, Emergency Medicine, General Health Professions, Health Information Management and Economics and Econometrics, having authored 446 papers that have together received 33.5k indexed citations. Recurring topics across this work include Healthcare Policy and Management (112 papers), Primary Care and Health Outcomes (61 papers), Patient Satisfaction in Healthcare (42 papers), Emergency and Acute Care Studies (39 papers), Health Systems, Economic Evaluations, Quality of Life (34 papers), Geriatric Care and Nursing Homes (33 papers), Frailty in Older Adults (25 papers) and Healthcare cost, quality, practices (22 papers). The work is most often cited by research in Cardiology and Cardiovascular Medicine (7.7k citations), Emergency Medicine (3.3k citations), Health Information Management (1.5k citations), General Health Professions (8.0k citations) and Pharmacy (1.5k citations). E. John Orav has collaborated with scholars based in United States, Switzerland and United Kingdom. Frequent co-authors include Ashish K. Jha, Arnold M. Epstein, Heike A. Bischoff‐Ferrari, Karen E. Joynt, Bess Dawson‐Hughes, Steven E. Lipshultz, David W. Bates, Steven D. Colan, Thomas C. Tsai and Troyen A. Brennan. Their work appears in journals such as Health Affairs, Journal of General Internal Medicine, JAMA Network Open, New England Journal of Medicine and Circulation.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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