Michael Sheppard

1.8k total citations · 1 hit paper
21 papers, 727 citations indexed

About

Michael Sheppard is a scholar working on Emergency Medicine, Health and Clinical Psychology. According to data from OpenAlex, Michael Sheppard has authored 21 papers receiving a total of 727 indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Emergency Medicine, 6 papers in Health and 6 papers in Clinical Psychology. Recurrent topics in Michael Sheppard's work include Emergency and Acute Care Studies (8 papers), Gun Ownership and Violence Research (5 papers) and COVID-19 and healthcare impacts (5 papers). Michael Sheppard is often cited by papers focused on Emergency and Acute Care Studies (8 papers), Gun Ownership and Violence Research (5 papers) and COVID-19 and healthcare impacts (5 papers). Michael Sheppard collaborates with scholars based in United States, United Kingdom and Tanzania. Michael Sheppard's co-authors include Jennifer Adjemian, Kathleen P. Hartnett, Aaron Kite-Powell, Lakshmi Radhakrishnan, Zachary Stein, Nimi Idaikkadar, Loren Rodgers, Kristin M. Holland, Ellen Yard and Daniel C. Ehlman and has published in prestigious journals such as New England Journal of Medicine, Annals of Internal Medicine and PLoS ONE.

In The Last Decade

Michael Sheppard

17 papers receiving 697 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Emergency Department Visits for Suspected Suicide Attempts Among Persons Aged 12–25 Years Before and During the COVID-19 Pandemic — United States, January 2019–May 2021

2021 381 citations Ellen Yard, Lakshmi Radhakrishnan et al. MMWR Morbidity and Mortality Weekly Report profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Michael Sheppard United States	10	403	108	107	95	94	21	727
Nimi Idaikkadar United States	7	406 1.0×	109 1.0×	105 1.0×	80 0.8×	42 0.4×	15	669
Amy Board United States	12	260 0.6×	65 0.6×	127 1.2×	74 0.8×	107 1.1×	20	610
Ping‐Chuan Hsiung Taiwan	15	195 0.5×	102 0.9×	149 1.4×	93 1.0×	98 1.0×	38	705
Andrea Meier United States	14	251 0.6×	42 0.4×	152 1.4×	37 0.4×	181 1.9×	22	711
Alène Toulany Canada	16	339 0.8×	39 0.4×	174 1.6×	27 0.3×	40 0.4×	73	901
Debora L. Oh United States	12	599 1.5×	27 0.3×	310 2.9×	62 0.7×	52 0.6×	34	1.0k
Lisbeth Kristiansen Sweden	15	152 0.4×	47 0.4×	209 2.0×	23 0.2×	63 0.7×	50	621
Amma A. Agyemang United States	11	102 0.3×	119 1.1×	128 1.2×	64 0.7×	180 1.9×	23	560
Jila Mirlashari Iran	14	194 0.5×	28 0.3×	108 1.0×	33 0.3×	87 0.9×	52	550
Danielle McFeeters United Kingdom	11	442 1.1×	22 0.2×	160 1.5×	45 0.5×	28 0.3×	18	608

Countries citing papers authored by Michael Sheppard

Since Specialization

Citations

This map shows the geographic impact of Michael Sheppard'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 Michael Sheppard with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Michael Sheppard more than expected).

Fields of papers citing papers by Michael Sheppard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael Sheppard. 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 Michael Sheppard. The network helps show where Michael Sheppard may publish in the future.

Co-authorship network of co-authors of Michael Sheppard

This figure shows the co-authorship network connecting the top 25 collaborators of Michael Sheppard. A scholar is included among the top collaborators of Michael Sheppard based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Michael Sheppard. Michael Sheppard is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Zwald, Marissa L., et al.. (2025). Patterns of U.S. Firearm Injury Emergency Department Visits by Month, Day, and Time During 2018 to 2023. Annals of Internal Medicine. 178(5). 663–670.

Conn, Laura A., Leah Eisenstein, Michael Sheppard, et al.. (2025). Completeness of Data on Race and Ethnicity and Timeliness of Electronic Case Reports for COVID-19 at 4 Health Care Organizations in Florida, December 2020. Public Health Reports. 2081101054–2081101054.

Ussery, Emily N., et al.. (2025). Trends of all opioid-, heroin-, and fentanyl-involved nonfatal overdoses in the United States, October 2020 – April 2025. Drug and Alcohol Dependence. 276. 112886–112886.

Pickens, Cassandra M., et al.. (2025). Trends in Suspected Fentanyl-Involved Nonfatal Overdose Emergency Department Visits, by Age Group, Sex, and Race and Ethnicity — United States, October 2020–March 2024. MMWR Morbidity and Mortality Weekly Report. 74(16). 282–287.

Holland, Kristin M., Marissa L. Zwald, Steven A. Sumner, et al.. (2024). Notes from the Field: Trends in Emergency Department Visits for Firearm Injuries — United States, January 2018–December 2023. MMWR Morbidity and Mortality Weekly Report. 73(46). 1064–1066. 1 indexed citations

Zwald, Marissa L., Kristin M. Holland, Steven A. Sumner, et al.. (2024). Trends in Firearm Injuries Treated in Emergency Departments by Individual- and County-Level Characteristics, 2019 to 2023. Annals of Emergency Medicine. 85(4). 295–301. 1 indexed citations

Zwald, Marissa L., Miriam E. Van Dyke, Lakshmi Radhakrishnan, et al.. (2023). Emergency Department Visits for Firearm Injuries Before and During the COVID-19 Pandemic — United States, January 2019–December 2022. MMWR Morbidity and Mortality Weekly Report. 72(13). 333–337. 19 indexed citations

Smith, Amanda R., Jourdan DeVies, Kelly Carey, et al.. (2023). COVID-19 pandemic–associated changes in overall emergency department visits by age group, race, and ethnicity — United States, January 2019–April 2022. The American Journal of Emergency Medicine. 69. 121–126. 9 indexed citations

Sheppard, Michael, Grace E. Marx, Ryan E. Wiegand, et al.. (2022). Impact of the COVID-19 Vaccination Program on case incidence, emergency department visits, and hospital admissions among children aged 5–17 Years during the Delta and Omicron Periods—United States, December 2020 to April 2022. PLoS ONE. 17(12). e0276409–e0276409. 3 indexed citations

10.

Dyke, Miriam E. Van, Michael Sheppard, J. Danielle Sharpe, et al.. (2022). County-Level Social Vulnerability and Emergency Department Visits for Firearm Injuries — 10 U.S. Jurisdictions, January 1, 2018–December 31, 2021. MMWR Morbidity and Mortality Weekly Report. 71(27). 873–877. 31 indexed citations

11.

Anderson, Kayla N., Lakshmi Radhakrishnan, Rashon I. Lane, et al.. (2022). Changes and Inequities in Adult Mental Health–Related Emergency Department Visits During the COVID-19 Pandemic in the US. JAMA Psychiatry. 79(5). 475–475. 43 indexed citations

12.

Radhakrishnan, Lakshmi, Zachary Stein, Jourdan DeVies, et al.. (2021). Syndromic surveillance of vaccine-associated adverse events in U.S. emergency departments. Vaccine. 39(31). 4250–4255. 2 indexed citations

13.

Yard, Ellen, Lakshmi Radhakrishnan, Michael F. Ballesteros, et al.. (2021). Emergency Department Visits for Suspected Suicide Attempts Among Persons Aged 12–25 Years Before and During the COVID-19 Pandemic — United States, January 2019–May 2021. MMWR Morbidity and Mortality Weekly Report. 70(24). 888–894. 381 indexed citations breakdown →

14.

Smith, Amanda R., Jourdan DeVies, Elise Caruso, et al.. (2021). Emergency Department Visits for COVID-19 by Race and Ethnicity — 13 States, October–December 2020. MMWR Morbidity and Mortality Weekly Report. 70(15). 566–569. 28 indexed citations

15.

Rodgers, Loren, Michael Sheppard, Amanda R. Smith, et al.. (2021). Changes in Seasonal Respiratory Illnesses in the United States During the Coronavirus Disease 2019 (COVID-19) Pandemic. Clinical Infectious Diseases. 73(Supplement_1). S110–S117. 89 indexed citations

16.

Hartnett, Kathleen P., Aaron Kite-Powell, Megan T. Patel, et al.. (2019). Syndromic Surveillance for E-Cigarette, or Vaping, Product Use–Associated Lung Injury. New England Journal of Medicine. 382(8). 766–772. 79 indexed citations

17.

Sheppard, Michael. (2009). Ayliffe's control of healthcare-associated infection: a practical handbook. Journal of Hospital Infection. 74(1). 96–96. 3 indexed citations

18.

Sheppard, Michael. (2005). Mothers' Coping Strategies as Child and Family Care Service Applicants. The British Journal of Social Work. 35(5). 743–759. 15 indexed citations

19.

Sheppard, Michael, et al.. (1999). The Psychosocial 'Diagnosis' of Depression in Mothers: An Exploration and Analysis. The British Journal of Social Work. 29(4). 601–620. 2 indexed citations

20.

Sheppard, Michael. (1997). Depression in female health visitor consulters: social and demographic facets. Journal of Advanced Nursing. 26(5). 921–929. 13 indexed citations

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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