Andrew M. Ryan

9.1k total citations · 1 hit paper
226 papers, 6.4k citations indexed

About

Andrew M. Ryan is a scholar working on Economics and Econometrics, General Health Professions and Surgery. According to data from OpenAlex, Andrew M. Ryan has authored 226 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 154 papers in Economics and Econometrics, 143 papers in General Health Professions and 23 papers in Surgery. Recurrent topics in Andrew M. Ryan's work include Healthcare Policy and Management (150 papers), Primary Care and Health Outcomes (100 papers) and Patient Satisfaction in Healthcare (46 papers). Andrew M. Ryan is often cited by papers focused on Healthcare Policy and Management (150 papers), Primary Care and Health Outcomes (100 papers) and Patient Satisfaction in Healthcare (46 papers). Andrew M. Ryan collaborates with scholars based in United States, United Kingdom and Taiwan. Andrew M. Ryan's co-authors include Justin B. Dimick, Gilbert C. Gee, Jyothi R. Thumma, James Burgess, Tim Doran, Lawrence P. Casalino, Lauren Hersch Nicholas, Jan Blustein, David Laflamme and Brahmajee K. Nallamothu and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Andrew M. Ryan

212 papers receiving 6.2k 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.

Methods for Evaluating Changes in Health Care Policy

2014 877 citations Andrew M. Ryan et al. JAMA profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Andrew M. Ryan United States	42	3.1k	2.8k	837	682	644	226	6.4k
Daniel Polsky United States	47	3.4k 1.1×	3.4k 1.2×	893 1.1×	779 1.1×	1.2k 1.9×	255	8.4k
Dana B. Mukamel United States	52	4.2k 1.4×	2.0k 0.7×	1.2k 1.4×	871 1.3×	1.2k 1.8×	240	8.3k
Soeren Mattke United States	39	3.6k 1.2×	1.7k 0.6×	617 0.7×	425 0.6×	750 1.2×	192	7.5k
Carolyn M. Clancy United States	41	3.8k 1.3×	2.3k 0.8×	572 0.7×	449 0.7×	1.5k 2.4×	224	8.4k
Laurence C. Baker United States	49	4.2k 1.4×	2.7k 1.0×	1.4k 1.6×	665 1.0×	2.0k 3.1×	213	10.2k
Karen E. Joynt Maddox United States	41	2.5k 0.8×	1.9k 0.7×	543 0.6×	1.4k 2.1×	712 1.1×	218	6.0k
Gert P. Westert Netherlands	47	3.5k 1.2×	2.3k 0.8×	693 0.8×	490 0.7×	1.4k 2.1×	255	8.1k
Sally C. Stearns United States	43	2.6k 0.9×	1.5k 0.5×	430 0.5×	492 0.7×	963 1.5×	171	6.0k
Laura A. Petersen United States	51	2.9k 0.9×	2.5k 0.9×	1.5k 1.8×	1.4k 2.0×	943 1.5×	206	9.2k
Anne Sales United States	42	3.3k 1.1×	1.1k 0.4×	466 0.6×	726 1.1×	1.2k 1.8×	223	6.5k

Countries citing papers authored by Andrew M. Ryan

Since Specialization

Citations

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

Fields of papers citing papers by Andrew M. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew M. Ryan. 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 Andrew M. Ryan. The network helps show where Andrew M. Ryan may publish in the future.

Co-authorship network of co-authors of Andrew M. Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of Andrew M. Ryan. A scholar is included among the top collaborators of Andrew M. Ryan 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 Andrew M. Ryan. Andrew M. Ryan 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

Ganguli, Ishani, et al.. (2025). Difference‐in‐Differences for Health Policy and Practice: A Review of Modern Methods. Statistics in Medicine. 44(23-24). e70247–e70247.

Meyers, David J., Amal N. Trivedi, & Andrew M. Ryan. (2025). Flaws in the Medicare Advantage Star Ratings. JAMA Health Forum. 6(1). e244802–e244802. 4 indexed citations

Markovitz, Adam A., Pedro Gozalo, & Andrew M. Ryan. (2025). Participation and attrition in the Medicare Shared Savings Program. Health Affairs Scholar. 3(4). qxaf067–qxaf067.

Norton, Edward C., et al.. (2024). Oregon's Hospital Payment Cap and Enrollee Out-of-Pocket Spending and Service Use. JAMA Health Forum. 5(8). e242614–e242614. 2 indexed citations

Jones, Matthew W., et al.. (2024). From Painkiller to Brain Thriller: The Curious Case of Fentanyl-induced Serotonin Syndrome. A7050–A7050.

Srivastava, Arnav, Xiu Liu, Avinash Maganty, et al.. (2024). Commercial prices and their influence on urology practices: Prostate cancer care among men with Medicare. Cancer. 131(1). e35633–e35633.

Meyers, David J., et al.. (2024). Association Between the Medicare Advantage Quartile Adjustment System and Plan Behavior and Enrollment. JAMA Health Forum. 5(1). e234822–e234822. 3 indexed citations

Doherty, Edel, et al.. (2024). Heterogeneity within the Oregon Health Insurance Experiment: An application of causal forests. PLoS ONE. 19(1). e0297205–e0297205. 3 indexed citations

Ramirez, Marizen, Andrew M. Ryan, Timothy R. Church, et al.. (2023). Link for Equity, a community-engaged waitlist randomized controlled trial of a culturally responsive trauma-informed care program for BIPOC students: Design features and characteristics of baseline sample. Contemporary Clinical Trials. 126. 107090–107090. 2 indexed citations

10.

Ryan, Andrew M., et al.. (2023). Reconciliation Payments in the Bundled Payments for Care Improvement Advanced Program and Reductions in Clinical Spending Needed for CMS to Avoid Financial Losses. JAMA. 329(14). 1221–1221. 3 indexed citations

11.

Meyers, David J., et al.. (2023). Estimated Fiscal Effects of Medicare Advantage’s Quartile Payment System. JAMA Health Forum. 4(12). e234030–e234030. 1 indexed citations

12.

Ryan, Andrew M. & Adam A. Markovitz. (2023). Estimated Savings From the Medicare Shared Savings Program. JAMA Health Forum. 4(12). e234449–e234449. 7 indexed citations

13.

Ying, Meiling, et al.. (2022). Changes in Shared Savings Program Participation After Launch of Pathways to Success. Journal of General Internal Medicine. 38(7). 1780–1782. 3 indexed citations

14.

Kamel, Hooman, Neal S. Parikh, Abhinaba Chatterjee, et al.. (2021). Access to Mechanical Thrombectomy for Ischemic Stroke in the United States. Stroke. 52(8). 2554–2561. 41 indexed citations

15.

Valley, Thomas S., Theodore J. Iwashyna, Colin R. Cooke, et al.. (2019). Intensive care use and mortality among patients with ST elevation myocardial infarction: retrospective cohort study. BMJ. 365. l1927–l1927. 34 indexed citations

16.

Kontopantelis, Evangelos, Mamas A. Mamas, Harm van Marwijk, et al.. (2018). Increasing socioeconomic gap between the young and old: temporal trends in health and overall deprivation in England by age, sex, urbanity and ethnicity, 2004–2015. Journal of Epidemiology & Community Health. 72(7). 636–644. 6 indexed citations

17.

Bao, Yuhua, Thomas G. McGuire, Ashley A. Eggman, et al.. (2017). Value-based payment in implementing evidence-based care: the Mental Health Integration Program in Washington state.. PubMed. 23(1). 48–53. 20 indexed citations

18.

Bishop, Tara F., et al.. (2014). Do provider attitudes about electronic health records predict future electronic health record use?. Healthcare. 3(1). 5–11. 9 indexed citations

19.

Ryan, Andrew M. & Allan S. Detsky. (2014). Grade pending: Lessons for hospital quality reporting from the New York City restaurant sanitation inspection program. Journal of Hospital Medicine. 10(2). 116–119. 1 indexed citations

20.

Bao, Yuhua, Andrew M. Ryan, Huibo Shao, Harold Alan Pincus, & Julie M. Donohue. (2013). Generic initiation and antidepressant therapy adherence under Medicare Part D.. PubMed. 19(12). 989–98. 10 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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