World's Best Scientists 2026 revealed!

D-Index & Metrics

Social Sciences and Humanities

D-Index
51
Citations
26364
World Ranking
2490
National Ranking
1212

Gery W. Ryan publications per year

1991: 1 publications 1992: 1 publications 1993: 2 publications 1994: 0 publications 1995: 0 publications 1996: 3 publications 1997: 0 publications 1998: 5 publications 1999: 2 publications 2000: 6 publications 2001: 1 publications 2002: 0 publications 2003: 4 publications 2004: 5 publications 2005: 8 publications 2006: 9 publications 2007: 15 publications 2008: 8 publications 2009: 24 publications 2010: 18 publications 2011: 20 publications 2012: 13 publications 2013: 8 publications 2014: 11 publications 2015: 13 publications 2016: 9 publications 2017: 3 publications 2018: 6 publications 2019: 15 publications 2020: 7 publications 2021: 12 publications 2022: 5 publications 2023: 7 publications 2024: 4 publications 2025: 10 publications
1991 2025

255 publications in total across all disciplines

Gery W. Ryan publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Gery W. Ryan sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 221 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

Gery W. Ryan D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Gery W. Ryan sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 51 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Overview

Gery W. Ryan is affiliated with Kaiser Permanente in the United States and has made contributions across several areas within the health professions and medicine. Their research spans a range of interdisciplinary topics related to healthcare policy, population health, and clinical outcomes, with a particular focus on vulnerable and diverse patient populations.

The main fields of study for this researcher are Health Professions and Medicine, with a deeper engagement in subfields such as General Health Professions, Public Health, Environmental and Occupational Health, Clinical Psychology, Economics and Econometrics, and Experimental and Cognitive Psychology.

Their work covers core topics including:

  • Healthcare Policy and Management
  • Food Security and Health in Diverse Populations
  • Palliative Care and End-of-Life Issues
  • Primary Care and Health Outcomes
  • Geriatric Care and Nursing Homes
  • Migration, Health and Trauma
  • Electronic Health Records Systems

Gery W. Ryan has published in various peer-reviewed journals, many of which have appeared multiple times. Frequent publication venues include:

  • JAMA Network Open
  • Pediatric Pulmonology
  • Journal of Manipulative and Physiological Therapeutics
  • Journal of General Internal Medicine
  • BMC Public Health

Among recent papers authored or co-authored by Ryan are:

  • "Deficits in Advance Care Planning for Patients With Decompensated Cirrhosis at Liver Transplant Centers" (2021, JAMA Internal Medicine)
  • "Assessment of Perspectives on Health Care System Efforts to Mitigate Perceived Risks Among Immigrants in the United States" (2020, JAMA Network Open)
  • "Original Research: Nurses' Experiences with Racial, Ethnic, Cultural, and Religious Discrimination in the Workplace: A Qualitative Study" (2023, AJN American Journal of Nursing)
  • "Partnered decision support: Parental perspectives of completing a pre-visit pediatric asthma questionnaire via the patient portal" (2021, Pediatric Pulmonology)
  • "Income as a Predictor of Self-Efficacy for Managing Pain and for Coping With Symptoms Among Patients With Chronic Low Back Pain" (2021, Journal of Manipulative and Physiological Therapeutics)

Ryan has collaborated frequently with several coauthors, including:

  • Geoffrey M. Gusoff
  • Arpan Patel
  • Anne M. Walling
  • Neil S. Wenger
  • Mindy K. Ross

Best Publications

  • Techniques to Identify Themes

    Gery W. Ryan;H. Russell Bernard

  • Data Management and Analysis Methods

    Gery W. Ryan;H. Russell Bernard

  • Analyzing Qualitative Data: Systematic Approaches

    H. Russell Bernard;Gery Wayne Ryan

  • The Top Patient Safety Strategies That Can Be Encouraged for Adoption Now

    Paul G. Shekelle;Peter J. Pronovost;Robert M. Wachter;Kathryn M. McDonald

  • HIV-Related Stigma among People with HIV and their Families: A Qualitative Analysis

    Laura M. Bogart;Burton O. Cowgill;David P. Kennedy;Gery W. Ryan

  • identification of human trafficking victims in health care settings

    Susie B. Baldwin;David P. Eisenman;Jennifer N. Sayles;Gery Ryan

  • Advancing the Science of Patient Safety

    Paul G. Shekelle;Peter J. Pronovost;Robert M. Wachter;Stephanie L. Taylor

  • Experiences of social stigma and implications for healthcare among a diverse population of HIV positive adults.

    Jennifer N. Sayles;Gery W. Ryan;Junell S. Silver;Catherine A. Sarkisian

  • Content validity of patient-reported outcome measures: perspectives from a PROMIS meeting

    Susan Magasi;Gery Ryan;Dennis Revicki;William Lenderking

  • Using Community-Based Participatory Research to Identify Potential Interventions to Overcome Barriers to Adolescents' Healthy Eating and Physical Activity

    Ying-Ying Goh;Laura M. Bogart;Laura M. Bogart;Laura M. Bogart;Bessie Ko Sipple-Asher;Kimberly E. Uyeda

  • Trust influences response to public health messages during a bioterrorist event.

    Lisa S. Meredith;David Eisenman;Hilary J. Rhodes;Gery W. Ryan

  • Reasons for disclosure of HIV status by people living with HIV/AIDS and in HIV care in Uganda: an exploratory study.

    Sarah N. Ssali;Lynn Atuyambe;Christopher Tumwine;Eric Segujja

  • Characteristics of the original patient navigation programs to reduce disparities in the diagnosis and treatment of breast cancer.

    Roberto B. Vargas;Roberto B. Vargas;Gery W. Ryan;Catherine A. Jackson;Rian Rodriguez

  • What do sequential behavioral patterns suggest about the medical decision-making process? : Modeling home case management of acute illnesses in a rural Cameroonian village

    Gery W. Ryan

  • Measuring the typicality of text : Using multiple coders for more than just reliability and validity checks

    Gery W. Ryan

  • Incarcerated Youths’ Perspectives on Protective Factors and Risk Factors for Juvenile Offending: A Qualitative Analysis

    Elizabeth S. Barnert;Raymond Perry;Veronica F. Azzi;Rashmi Shetgiri

  • Implementation and maintenance of quality improvement for treating depression in primary care

    Lisa S. Meredith;Peter Mendel;Marjorie L. Pearson;Shin-Yi Wu

  • Education for a New Era : Design and Implementation of K-12 Education Reform in Qatar

    Dominic J. Brewer;Catherine H. Augustine;Gail L. Zellman;Gery W. Ryan

  • Successive Free Listing: Using Multiple Free Lists to Generate Explanatory Models

    Gery W. Ryan;Justin M. Nolan;P. Stanley Yoder

  • Relationship between routinization of daily behaviors and medication adherence in HIV-positive drug users.

    Glenn J. Wagner;Gery W. Ryan

  • Education for a New Era: Design and Implementation of K-12 Education Reform in Qatar. Monograph.

    Dominic J. Brewer;Catherine H. Augustine;Gail L. Zellman;Gery Ryan

Frequent Co-Authors

David N. Kennedy
David N. Kennedy University of Massachusetts Chan Medical School
Suzanne L. Wenzel
Suzanne L. Wenzel University of Southern California
Mark A. Schuster
Mark A. Schuster Kaiser Permanente
Joan S. Tucker
Joan S. Tucker RAND Corporation
Daniela Golinelli
Daniela Golinelli RAND Corporation
Glenn Wagner
Glenn Wagner RAND Corporation
Harold Alan Pincus
Harold Alan Pincus Columbia University
Laura M. Bogart
Laura M. Bogart RAND Corporation
Dominic J. Brewer
Dominic J. Brewer University of Southern California
Katherine L. Kahn
Katherine L. Kahn University of California, Los Angeles

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