Erick G. Guerrero

ORCID: 0000-0003-3086-5710
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About
Contact & Profiles
Research Areas
  • Health Policy Implementation Science
  • Substance Abuse Treatment and Outcomes
  • Primary Care and Health Outcomes
  • Opioid Use Disorder Treatment
  • Healthcare Policy and Management
  • Mental Health Treatment and Access
  • Community Health and Development
  • Global Health Workforce Issues
  • Homelessness and Social Issues
  • HIV, Drug Use, Sexual Risk
  • Mental Health and Patient Involvement
  • Cultural Competency in Health Care
  • Prenatal Substance Exposure Effects
  • Racial and Ethnic Identity Research
  • Counseling Practices and Supervision
  • Migration, Health and Trauma
  • HIV/AIDS Research and Interventions
  • Patient Satisfaction in Healthcare
  • Social Work Education and Practice
  • Pharmaceutical Practices and Patient Outcomes
  • Interpreting and Communication in Healthcare
  • Interprofessional Education and Collaboration
  • Adolescent Sexual and Reproductive Health
  • Smoking Behavior and Cessation
  • Evaluation and Performance Assessment

VA Greater Los Angeles Healthcare System
2025

New York University
2021

Imperial College London
2020-2021

University of Southern California
2010-2018

Southern California University for Professional Studies
2010-2018

Marshall B. Ketchum University
2017

University of California, Los Angeles
2015

University of South Carolina
2015

University of California, San Diego
2014

Regina Qu'Appelle Health Region
2013

Objective To evaluate disparities in substance abuse treatment completion between and within racial ethnic groups publicly funded L os A ngeles C ounty, alifornia. Data Source The ounty P articipant R eporting S ystem with multicross‐sectional annual data (2006–2009) for adult participants ( n = 16,637) who received from programs 276) the first time. Study Design Retrospective analyses of county discharge admission data. Hierarchical linear regressions models were used to test hypotheses....

10.1111/1475-6773.12031 article EN Health Services Research 2013-01-27
David A. Chambers Lisa Simpson Gila Neta Ulrica von Thiele Schwarz Antoinette Percy‐Laurry and 95 more Gregory A. Aarons Gila Neta Ross C. Brownson Amanda L. Vogel Shannon Wiltsey Stirman Kenneth Sherr Rachel Sturke Wynne E. Norton Allyson L. Varley David Chambers Cynthia Vinson Lisa M. Klesges Suzanne Heurtin‐Roberts M Rashad Massoud Leighann Kimble Arne Beck Claire Neely Jennifer M. Boggs Carmel Nichols Wen Wan Erin M. Staab Neda Laiteerapong Nathalie Moise Ravi N. Shah Susan M. Essock Margaret A. Handley Amy Jones Jay Carruthers Karina W. Davidson Lauren Peccoralo Lloyd I. Sederer Todd Molfenter Ashley Scudder Sarah Taber-Thomas Kristen F. Schaffner Amy D. Herschell Eva N. Woodward Jeffery A. Pitcock Mona J. Ritchie JoAnn E. Kirchner Julia E. Moore Sobia Khan Shusmita Rashid Jamie Park Melissa Courvoisier Sharon E. Straus Daniel M. Blonigen Allison L. Rodriguez Luisa Manfredi Andrea Nevedal Joel Rosenthal David Smelson Christine Timko Nicole A. Stadnick Jennifer Regan Miya L. Barnett Anna Lau Lauren Brookman‐Frazee Erick G. Guerrero Karissa Fenwick Yinfei Kong Gregory A. Aarons Rebecca Lengnick‐Hall Karissa Fenwick Benjamin F. Henwood Nina Sayer Craig Rosen Robert J. Orazem Brandy N. Smith Craig Rosen Lindsey Zimmerman David W. Lounsbury Craig Rosen Rachel Kimerling Jodie A. Trafton Steven E. Lindley Rahul Bhargava Hal Roberts Laura Gibson Gabriel J. Escobar Vincent Liu Benjamin J. Turk Arona I. Ragins Patricia Kipnis Ashley Ketterer Gruszkowski Michael W. Kennedy Emily Rentschler Drobek Lior Turgeman Aleksandra Sasha Milićević Terrence L. Hubert Larissa Myaskovsky Youxu C. Tjader Robert J. Monte Kathryn G. Sapnas Edmond Ramly

ther unnecessary, of low value or wasteful (Institute Medicine, 2013).The third plenary panel brought different perspectives on the enduring and evolving challenges in dissemination evidence evidence-based practices as well opportunities emerging from innovations digital health sector.The sessions were complemented by facilitated lunchtime discussions these topics, additional research priorities, which enabled more in-depth discussions, question answer time, brainstorming future...

10.1186/s13012-017-0575-y article EN cc-by Implementation Science 2017-04-01

Despite a solid research base supporting evidence-based practices (EBPs) for addiction treatment such as contingency management and medication-assisted treatment, these services are rarely implemented delivered in community-based programs the USA. As result, many clients do not benefit from most current efficacious treatments, resulting reduced quality of care compromised outcomes. Previous indicates that program leaders play key role EBP adoption use. The present study expanded on this...

10.1186/s13012-016-0438-y article EN cc-by Implementation Science 2015-12-01

The high prevalence of mental health issues among clients attending substance abuse treatment (SAT) has pressured providers to develop integrated and care. However, access care is limited certain communities. Racial ethnic minority low-income communities may not have needed in large urban areas. Because the main principle reform expand insurance individuals improve reduce disparities minorities, it necessary understand extent which geographically accessible National Survey Substance Abuse...

10.1186/1747-597x-8-34 article EN cc-by Substance Abuse Treatment Prevention and Policy 2013-09-23

Increasing evidence suggests that culturally and linguistically responsive programs may improve substance abuse treatment outcomes among Latinos. However, little is known about whether individual practices or contexts support efforts by first-time Latino clients to successfully complete mandated treatment. We analyzed client program data from publicly funded contracted through the criminal justice system in California. A sample of 5,150 nested within 48 was using multilevel logistic...

10.1186/1747-597x-7-34 article EN cc-by Substance Abuse Treatment Prevention and Policy 2012-08-16

We examined factors associated with readiness to coordinate mental health, public and HIV testing among community-based addiction health services programs.We analyzed client program data collected in 2011 from publicly funded treatment programs Los Angeles County, California. a sample of 14 379 clients nested 104 by using logistic regressions examining odds service coordination providers. conducted separate analysis examine the percentage receiving each program.Motivational organizational...

10.2105/ajph.2013.301842 article EN American Journal of Public Health 2014-02-13

Leadership style and specific organizational climates have emerged as critical mechanisms to implement targeted practices in organizations. Drawing from relevant theories, we propose that climate for implementation of cultural competence reflects how transformational leadership may enhance the culturally responsive health care Using multilevel data 427 employees embedded 112 addiction treatment programs collected 2013, confirmatory factor analysis showed adequate fit statistics our measure...

10.1186/s13012-017-0666-9 article EN cc-by Implementation Science 2017-11-14

Objective: The publication of the President's New Freedom Commission Report in 2003 led to hope and anticipation that system transformation would address barriers have impeded delivery integrated services for clients with co-occurring mental health substance use disorders. Have problems been resolved? This study analyzed providers' perspectives on serving disorders a large has undergone transformation. Methods: Six focus groups were conducted providers at specialty treatment organizations...

10.1176/appi.ps.201400190 article EN Psychiatric Services 2015-02-17

Top managers' transformational leadership is associated with significant influence on subordinates. Yet little known about the extent to which top influences middle implementation and, ultimately, frontline staff delivery of evidence-based health care practices.To test a multilevel model examining leadership, as mediated by managers (i.e., those who supervise direct clinical services), affects attitudes toward practices (EBPs) and their implementation.We used data collected in 2013 from 427...

10.1097/hmr.0000000000000213 article EN Health Care Management Review 2018-06-26

Abstract Background In the United States, high dropout rate (75%) in opioid use disorder (OUD) treatment among women and racial/ethnic minorities calls for understanding factors that contribute to making progress treatment. Whereas counseling medication OUD (MOUD, e.g. methadone, buprenorphine, naltrexone) is considered gold standard of care substance (SUD) treatment, many individuals with receive either or methadone-only services. This study evaluates gender disparities plan methadone-...

10.1186/s13011-021-00389-4 article EN cc-by Substance Abuse Treatment Prevention and Policy 2021-06-23

Background: Few studies have examined where clients receive methadone treatment for opioid use disorder relative to their residences. Commuting time affects access care, and anecdotal evidence suggests often bypass closer providers. This study quantifies (a) patterns in Los Angeles County, (b) gender, age, ethnoracial differences bypassing, (c) links between bypassing facility attributes. Methods: Using retrospective multiyear analysis, we matched episodes with commuting times clients’ ZIP...

10.1177/29768357241312554 article EN Substance Use Research and Treatment 2025-01-01

Dental sealants, an evidence-based clinical practice, can arrest occlusal non-cavitated carious lesions (NCCLs); however, U.S. oral health providers rarely provide this treatment. To increase providers' adoption of the clinic leaders need to identify implementation strategies deploy. Using a stepped wedge design across 16 cluster-randomized dental clinics, we examined whether small-group deliberative engagement enabled 680 and staff endorse placement sealants on NCCLs. Participants...

10.1038/s41598-025-03236-9 article EN cc-by-nc-nd Scientific Reports 2025-05-25

10.1007/s10488-013-0515-3 article EN Administration and Policy in Mental Health and Mental Health Services Research 2013-09-17

Abstract Introduction Before COVID‐19, Native Hawaiians/Pacific Islanders (NH/PI) endured a heavy burden of alcohol, tobacco and other drug (ATOD) use in prior US data. Responding to reports that many NH/PI communities experienced severe COVID‐19 disparities could exacerbate their ATOD burden, we partnered with assess the substance patterns treatment needs diverse NH/PIs during COVID‐19. Methods Collaborating community organisations across five states large populations, conducted large‐scale...

10.1111/dar.13522 article EN Drug and Alcohol Review 2022-08-11
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