Kim Koester, PhD, MA
Assistant Professor
Medicine
School of Medicine

She is particularly interested in sexual health promotion, patient-provider communication and has done extensive research on the social and sexual consequences of biomedical HIV prevention technologies. She teaches in the UCSF Implementation Science Certificate program and is the Division of Prevention Science Education Lead.

• "Entre Nosotras:" a qualitative study of a peer-led PrEP project for transgender latinas.
  BMC health services research 2023 Zamudio-Haas S, Koester K, Venegas L, Salinas A, Herrera C, Gutierrez-Mock L, Welborn L, Deutsch MB, Sevelius J
• Examining the Impact of State-Level Factors on HIV Testing for Medicaid Enrollees With Schizophrenia.
  Journal of acquired immune deficiency syndromes (1999) 2023 Thomas MD, Vittinghoff E, Koester KA, Dahiya P, Riano NS, Cournos F, Dawson L, Olfson M, Pinals DA, Crystal S, Walkup J, Shade S, Mangurian C, Arnold EA
• Pandemic expertise: qualitative findings on the experiences of living with HIV during the COVID-19 pandemic.
  AIDS care 2023 Mars SG, Spinelli MA, Ondocsin J, Koester KA, Rodriguez ES, Jain J, Arreguin M, Johnson MO, Gandhi M
• The Brief Human Immunodeficiency Virus (HIV) Index: A Rapid 3-Item Scale to Measure Engagement in HIV Care.
  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2023 Sauceda JA, Lisha NE, Ludwig-Barron N, Salazar J, Dilworth SE, Johnson MO, Christopoulos KA, Koester KA, Moore RD, Mayer KH, Fredericksen RJ, Mugavero MJ, Neilands TB
• The Rapid interaction: a qualitative study of provider approaches to implementing Rapid ART.
  Implementation science communications 2023 Moran L, Koester KA, Le Tourneau N, Coffey S, Moore K, Broussard J, Crouch PC, VanderZanden L, Schneider J, Lynch E, Roman J, Christopoulos KA
• Rapid start antiretroviral therapies for improved engagement in HIV care: implementation science evaluation protocol.
  BMC health services research 2023 Bourdeau B, Shade SB, Koester KA, Rebchook GM, Steward WT, Agins BM, Myers JJ, Phan SH, Matosky M
• "I'm both smoking and vaping": a longitudinal qualitative study of US young adults who tried to quit smoking cigarettes by using electronic cigarettes.
  Tobacco control 2023 Nguyen N, Koester KA, Kim M, Watkins SL, Ling PM
• Lessons Learned with a Triad of Stakeholder Advisory Boards: Working with Adolescents, Mothers, and Clinicians to Design the TRUST Study.
  Children (Basel, Switzerland) 2023 Richards A, Raymond-Flesch M, Hughes SD, Zhou Y, Koester KA
• A mixed-methods study of relationship stigma and well-being among sexual and gender minority couples.
  The Journal of social issues 2022 Gamarel K, Farrales W, Venegas L, Dilworth SE, Coffin LS, Neilands TB, Johnson MO, Koester KA
• Addressing Racism's Role in the US HIV Epidemic: Qualitative Findings From Three Ending the HIV Epidemic Prevention Projects.
  Journal of acquired immune deficiency syndromes (1999) 2022 Harrison SE, Muessig K, Poteat T, Koester K, Vecchio A, Paton M, Miller SJ, Pereira N, Harris O, Myers J, Campbell C, Hightow-Weidman L
• Are Patients and Their Providers Talking About Long-Acting Injectable Antiretroviral Therapy? Penetration into Clinical Encounters at Three U.S. Care Sites.
  Open forum infectious diseases 2022 Christopoulos KA, Colasanti J, Johnson MO, Diaz Tsuzuki M, Erguera XA, Flores R, Kerman J, Dance K, Sauceda JA, Neilands TB, Dilworth SE, Koester KA, Gutierrez J, Schneider JA, Montgomery E, McNulty …
• A Mixed-Methods Study on Use of Different Tobacco Products among Younger and Older Adults with Lower and Higher Levels of Nicotine Exposure in California in 2019-2020.
  International journal of environmental research and public health 2022 Harvanko A, Koester KA, Helen GS, Olson S, Kim HC, Ling PM
• Essential elements of and challenges to rapid ART implementation: a qualitative study of three programs in the United States.
  BMC infectious diseases 2022 Koester KA, Moran L, LeTourneau N, VanderZanden L, Coffey S, Crouch PC, Broussard J, Schneider J, Christopoulos KA
• The innovative use of qualitative and mixed methods research to advance improvements along the HIV prevention and care continua.
  Current opinion in HIV and AIDS 2022 Arnold EA, Campbell CK, Koester KA
• 'The High Five Club': Social Relations and Perspectives on HIV-Related Stigma During an HIV Outbreak in West Virginia.
  Culture, medicine and psychiatry 2022 Mars SG, Koester KA, Ondocsin J, Mars V, Mars G, Ciccarone D
• Exploring barriers and facilitators to PrEP use among transgender women in two urban areas: implications for messaging and communication.
  BMC public health 2022 Bass SB, Kelly PJ, Brajuha J, Gutierrez-Mock L, Koester K, D'Avanzo P, Sevelius J
• Impacts of COVID-19 on HIV/AIDS-Related Services in California.
  Journal of the International Association of Providers of AIDS Care 2022 Koester KA, Fuller SM, Steward WT, Arnold EA
• Exploring the Shift From HIV Pre-exposure Prophylaxis Awareness to Uptake Among Young Gay and Bisexual Men.
  Frontiers in public health 2021 Koester KA, Erguera XA, Udoh I, Kang Dufour MS, Burack JH, Myers JJ
• HIV care continuum interventions for Black men who have sex with men in the USA.
  The lancet. HIV 2021 Goldhammer H, Mayer KH, Marc LG, Psihopaidas D, Chavis NS, Massaquoi M, Cahill S, Downes A, Koester K, Fields SD, Cohen SM, Keuroghlian AS
• The Human Immunodeficiency Virus (HIV) Index: Using a Patient-Reported Outcome on Engagement in HIV Care to Explain Suboptimal Retention in Care and Virologic Control.
  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2021 Christopoulos KA, Neilands TB, Koester KA, Sauceda JA, Dilworth SE, Mugavero MJ, Crane HM, Fredericksen RJ, Cachay ER, Mayer KH, Moore RD, Napravnik S, Johnson MO
• A Qualitative Study of the Experience of Immediate Antiretroviral Therapy Among Urban Persons With Newly Diagnosed Human Immunodeficiency Virus.
  Open forum infectious diseases 2021 Christopoulos KA, Erguera XA, VanderZanden L, Campbell C, Green M, Tsuzuki MD, Schneider J, Coffey S, Bacon O, Gandhi M, Koester KA
• Human Enough: A Qualitative Study of Client Experience With Internet-Based Access to Pre-exposure Prophylaxis.
  Journal of medical Internet research 2021 Hughes SD, Koester KA, Engesaeth E, Hawkins MV, Grant RM
• A mixed-methods study to inform the clarity and accuracy of cannabis-use and cannabis-tobacco co-use survey measures.
  Drug and alcohol dependence 2021 Watkins SL, Karliner-Li P, Lee YO, Koester KA, Ling PM
• Health information technology interventions and engagement in HIV care and achievement of viral suppression in publicly funded settings in the US: A cost-effectiveness analysis.
  PLoS medicine 2021 Shade SB, Marseille E, Kirby V, Chakravarty D, Steward WT, Koester KK, Cajina A, Myers JJ
• The case for prescribing PrEP in community mental health settings.
  The lancet. HIV 2021 Sudler A, Cournos F, Arnold E, Koester K, Riano NS, Dilley J, Liu A, Mangurian C
• Implementation Science Protocol: evaluating evidence-informed interventions to improve care for people with HIV seen in Ryan White HIV/AIDS program settings.
  AIDS care 2021 Bourdeau B, Shade S, Koester K, Rebchook G, Dawson-Rose C, Guzé M, Psihopaidas D, Cohen SM, Myers J
• Unboxed: US Young Adult Tobacco Users' Responses to a New Heated Tobacco Product.
  International journal of environmental research and public health 2020 Kim M, Watkins SL, Koester KA, Mock J, Kim HC, Olson S, Harvanko AM, Ling PM
• Attitudes about community pharmacy access to HIV prevention medications in California.
  Journal of the American Pharmacists Association : JAPhA 2020 Koester KA, Saberi P, Fuller SM, Arnold EA, Steward WT
• Measuring engagement in HIV care: Measurement invariance in three racial/ethnic patient groups.
  Health psychology : official journal of the Division of Health Psychology, American Psychological Association 2020 Sauceda JA, Lisha NE, Dilworth SE, Johnson MO, Christopoulos KA, Wood T, Koester KA, Mathews WC, Moore RD, Napravnik S, Mayer KH, Crane HM, Fredericksen RJ, Mugavero MJ, Neilands TB
• Patient and Provider Experiences From HIV Clinics in the United States That Integrated Primary Care: A Brief Report.
  The Journal of the Association of Nurses in AIDS Care : JANAC 2020 Fuller SM, Koester KA, Botta EW, Zeman L, Lazar D, Guevara E, Steward WT
• Practice transformations to optimize the delivery of HIV primary care in community healthcare settings in the United States: A program implementation study.
  PLoS medicine 2020 Steward WT, Koester KA, Guzé MA, Kirby VB, Fuller SM, Moran ME, Botta EW, Gaffney S, Heath CD, Bromer S, Shade SB
• "A Good Habit": Telehealth PrEP Users Find Benefit in Quarterly Monitoring Requirements.
  Journal of the International Association of Providers of AIDS Care 2020 Koester KA, Hughes SD, Grant RM
• Adherence to PrEP Among Young Men Who Have Sex With Men Participating in a Sexual Health Services Demonstration Project in Alameda County, California.
  Journal of acquired immune deficiency syndromes (1999) 2019 Myers JJ, Kang Dufour MS, Koester KA, Udoh I, Frazier R, Packard R, Kennedy K, Erguera X, Horowitz J, Grant R, Burack JH
• Detecting Disengagement From HIV Care Before It Is Too Late: Development and Preliminary Validation of a Novel Index of Engagement in HIV Care.
  Journal of acquired immune deficiency syndromes (1999) 2019 Johnson MO, Neilands TB, Koester KA, Wood T, Sauceda JA, Dilworth SE, Mugavero MJ, Crane HM, Fredericksen RJ, Mayer KH, Mathews WC, Moore RD, Napravnik S, Christopoulos KA
• The collaborative care model for HIV and depression: Patient perspectives and experiences from a safety-net clinic in the United States.
  SAGE open medicine 2019 Fuller SM, Koester KA, Erguera XA, Wilde Botta E, von Beetzen F, Steward WT, Avery A
• The influence of the 'good' patient ideal on engagement in HIV care.
  PloS one 2019 Koester KA, Johnson MO, Wood T, Fredericksen R, Neilands TB, Sauceda J, Crane HM, Mugavero MJ, Christopoulos KA
• "Closing the Loop" Developing State-Level Data Sharing Interventions to Promote Optimum Outcomes Along the HIV Continuum of Care.
  AIDS and behavior 2019 Zamudio-Haas S, Koester KA, Maiorana A, Fuller SM, Steward WT, Gruber D, Hauge JC, Parnell HE, Quinlivan EB, Myers JJ
• "I don't have to do this all by myself": Systems Navigation to Ensure Continuity of HIV Care for Persons Leaving Prison.
  AIDS and behavior 2019 Fuller SM, Koester KA, Maiorana A, Steward WT, Broaddus MR, Lass K, Zamudio-Haas S, Quinlivan EB, Myers JJ
• "Losing the Phobia:" Understanding How HIV Pre-exposure Prophylaxis Facilitates Bridging the Serodivide Among Men Who Have Sex With Men.
  Frontiers in public health 2018 Koester KA, Erguera XA, Kang Dufour MS, Udoh I, Burack JH, Grant RM, Myers JJ
• Shaping the Patient-Centered Medical Home to the Needs of HIV Safety Net Patients: The Impact of Stigma and the Need for Trust.
  The Journal of the Association of Nurses in AIDS Care : JANAC 2018 Steward WT, Koester KA, Fuller SM
• If someone cares about you, you are more apt to come around: improving HIV care engagement by strengthening the patient-provider relationship.
  Patient preference and adherence 2018 Wood TJ, Koester KA, Christopoulos KA, Sauceda JA, Neilands TB, Johnson MO
• The Effect of Patient Navigation on the Likelihood of Engagement in Clinical Care for HIV-Infected Individuals Leaving Jail.
  American journal of public health 2018 Myers JJ, Kang Dufour MS, Koester KA, Morewitz M, Packard R, Monico Klein K, Estes M, Williams B, Riker A, Tulsky J
• Development of an Index of Engagement in HIV Care: An Adapted Internet-Based Delphi Process.
  JMIR research protocols 2017 Johnson MO, Koester KA, Wood T, Neilands TB, Pomeranz JL, Christopoulos KA
• Fostering a "Feeling of Worth" Among Vulnerable HIV Populations: The Role of Linkage to Care Specialists.
  AIDS patient care and STDs 2017 Broaddus MR, Owczarzak J, Schumann C, Koester KA
• Patient navigators effectively support HIV-infected individuals returning to the community from jail settings.
  International journal of prisoner health 2017 Myers JJ, Koester KA, Kang Dufour MS, Jordan AO, Cruzado-Quinone J, Riker A
• Risk, safety and sex among male PrEP users: time for a new understanding.
  Culture, health & sexuality 2017 Koester K, Amico RK, Gilmore H, Liu A, McMahan V, Mayer K, Hosek S, Grant R
• Patients' Perceptions and Experiences of Shared Decision-Making in Primary HIV Care Clinics.
  The Journal of the Association of Nurses in AIDS Care : JANAC 2016 Fuller SM, Koester KA, Guinness RR, Steward WT
• "Knowing Your Status and Knowing Your Partner's Status Is Really Where It Starts": A Qualitative Exploration of the Process by Which a Sexual Partner's HIV Status Can Influence Sexual Decision Making.
  Journal of sex research 2016 Bird JDP, Morris JA, Koester KA, Pollack LM, Binson D, Woods WJ
• Sexual Behavior, Risk Compensation, and HIV Prevention Strategies Among Participants in the San Francisco PrEP Demonstration Project: A Qualitative Analysis of Counseling Notes.
  AIDS and behavior 2016 Carlo Hojilla J, Koester KA, Cohen SE, Buchbinder S, Ladzekpo D, Matheson T, Liu AY
• Implementing Multi-Level Interventions to Improve HIV Testing, Linkage-to-and Retention-in-Care Interventions.
  Journal of health care for the poor and underserved 2016 Koester KA, Fuller SM, Maiorana A, Steward WT, Zamudio-Haas S, Xavier J, Safon C, Collins SP, Morin SF, Myers JJ
• What people want from sex and preexposure prophylaxis.
  Current opinion in HIV and AIDS 2016 Grant RM, Koester KA
• Editorial Commentary: Keeping Our Eyes on the Prize: No New HIV Infections With Increased Use of HIV Pre-exposure Prophylaxis.
  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2015 Koester KA, Grant RM
• Retained in HIV Care But Not on Antiretroviral Treatment: A Qualitative Patient-Provider Dyadic Study.
  PLoS medicine 2015 Christopoulos KA, Olender S, Lopez AM, Lekas HM, Jaiswal J, Mellman W, Geng E, Koester KA
• Acceptability of drug detection monitoring among participants in an open-label pre-exposure prophylaxis study.
  AIDS care 2015 Koester KA, Liu A, Eden C, Amico KR, McMahan V, Goicochea P, Hosek S, Mayer KH, Grant RM
• Client and provider perspectives on new HIV prevention tools for MSM in the Americas.
  PloS one 2015 Lippman SA, Koester KA, Amico KR, Lama JR, Martinez Fernandes N, Gonzales P, Grinsztejn B, Liu A, Buchbinder S, Koblin BA
• Study product adherence measurement in the iPrEx placebo-controlled trial: concordance with drug detection.
  Journal of acquired immune deficiency syndromes (1999) 2014 Amico KR, Marcus JL, McMahan V, Liu A, Koester KA, Goicochea P, Anderson PL, Glidden D, Guanira J, Grant R
• Attitudes about providing HIV care: voices from publicly funded clinics in California.
  Family practice 2014 Barnes R, Koester KA, Waldura JF
• Health information technology interventions enhance care completion, engagement in HIV care and treatment, and viral suppression among HIV-infected patients in publicly funded settings.
  Journal of the American Medical Informatics Association : JAMIA 2014 Shade SB, Steward WT, Koester KA, Chakravarty D, Myers JJ
• Patient navigation facilitates medical and social services engagement among HIV-infected individuals leaving jail and returning to the community.
  AIDS patient care and STDs 2014 Koester KA, Morewitz M, Pearson C, Weeks J, Packard R, Estes M, Tulsky J, Kang-Dufour MS, Myers JJ
• Participant experiences and facilitators and barriers to pill use among men who have sex with men in the iPrEx pre-exposure prophylaxis trial in San Francisco.
  AIDS patient care and STDs 2013 Gilmore HJ, Liu A, Koester KA, Amico KR, McMahan V, Goicochea P, Vargas L, Lubensky D, Buchbinder S, Grant R
• Sexual healthcare preferences among gay and bisexual men: a qualitative study in San Francisco, California.
  PloS one 2013 Koester KA, Collins SP, Fuller SM, Galindo GR, Gibson S, Steward WT
• Helping clinicians deliver consistent HIV prevention counseling to their HIV-infected patients.
  AIDS care 2012 Myers JJ, Kang Dufour MS, Koester KA, Rose CD, Shade SB, Maiorana A, Morin SF
• Quality of comprehensive HIV care in underserved communities: does clinical training lead to improvement.
  American journal of medical quality : the official journal of the American College of Medical Quality 2012 Shade SB, Sackett N, Khamarko K, Koester KA, Bie J, Newberry J, Beal J, Culyba R, Jacobson K, Kinder A, Nusser J, Myers JJ
• People living with HIV are receptive to HIV prevention interventions in clinical settings: a qualitative evaluation.
  AIDS education and prevention : official publication of the International Society for AIDS Education 2012 Koester KA, Maiorana A, Morin SF, Rose CD, Shade S, Myers JJ
• Health information exchange interventions can enhance quality and continuity of HIV care.
  International journal of medical informatics 2012 Shade SB, Chakravarty D, Koester KA, Steward WT, Myers JJ
• Perceptions regarding the ease of use and usefulness of health information exchange systems among medical providers, case managers and non-clinical staff members working in HIV care and community settings.
  International journal of medical informatics 2012 Myers JJ, Koester KA, Chakravarty D, Pearson C, Maiorana A, Shade SB, Steward WT
• The essential role of reconfiguration capabilities in the implementation of HIV-related health information exchanges.
  International journal of medical informatics 2012 Steward WT, Koester KA, Collins SP, Maiorana A, Myers JJ
• Supporting the integration of HIV testing into primary care settings.
  American journal of public health 2012 Myers JJ, Bradley-Springer L, Kang Dufour MS, Koester KA, Beane S, Warren N, Beal J, Frank LR
• Trust, confidentiality, and the acceptability of sharing HIV-related patient data: lessons learned from a mixed methods study about Health Information Exchanges.
  Implementation science : IS 2012 Maiorana A, Steward WT, Koester KA, Pearson C, Shade SB, Chakravarty D, Myers JJ
• Helping patients talk about HIV: inclusion of messages on disclosure in prevention with positives interventions in clinical settings.
  AIDS education and prevention : official publication of the International Society for AIDS Education 2012 Maiorana A, Koester KA, Myers JJ, Lloyd KC, Shade SB, Dawson-Rose C, Morin SF
• Messages HIV clinicians use in prevention with positives interventions.
  AIDS care 2012 Rose CD, Koester KA, Kang Dufour MS, Myers JJ, Shade SB, McCready K, Morin S
• Understanding patient acceptance and refusal of HIV testing in the emergency department.
  BMC public health 2012 Christopoulos KA, Weiser SD, Koester KA, Myers JJ, White DA, Kaplan B, Morin SF
• Barriers and facilitators to enhancing HIV testing in publicly funded primary care clinics: findings from San Francisco.
  AIDS education and prevention : official publication of the International Society for AIDS Education 2011 Myers JJ, Koester KA, Dufour MS
• A comparative evaluation of the process of developing and implementing an emergency department HIV testing program.
  Implementation science : IS 2011 Christopoulos KA, Koester K, Weiser S, Lane T, Myers JJ, Morin SF
• Interventions delivered in clinical settings are effective in reducing risk of HIV transmission among people living with HIV: results from the Health Resources and Services Administration (HRSA)'s Special Projects of National Significance initiative.
  AIDS and behavior 2010 Myers JJ, Shade SB, Rose CD, Koester K, Maiorana A, Malitz FE, Bie J, Kang-Dufour MS, Morin SF
• Bringing it home: design and implementation of an HIV/STD intervention for women visiting incarcerated men.
  AIDS education and prevention : official publication of the International Society for AIDS Education 2008 Grinstead O, Comfort M, McCartney K, Koester K, Neilands T
• Sex, risk and responsibility: provider attitudes and beliefs predict HIV transmission risk prevention counseling in clinical care settings.
  AIDS and behavior 2007 Myers JJ, Rose CD, Shade SB, Koester KA, Maiorana A, Malitz F, Steward WT, Morin SF
• Predicting HIV transmission risk among HIV-infected patients seen in clinical settings.
  AIDS and behavior 2007 Morin SF, Myers JJ, Shade SB, Koester K, Maiorana A, Rose CD
• Implementation of HIV prevention interventions with people living with HIV/AIDS in clinical settings: challenges and lessons learned.
  AIDS and behavior 2007 Koester KA, Maiorana A, Vernon K, Myers J, Rose CD, Morin S
• Provider fatalism reduces the likelihood of HIV-prevention counseling in primary care settings.
  AIDS and behavior 2006 Steward WT, Koester KA, Myers JJ, Morin SF
• HIV surveillance in theory and practice: assessing the acceptability of California's non-name HIV surveillance regulations.
  Health policy (Amsterdam, Netherlands) 2005 Koester KA, Maiorana A, Vernon K, Charlebois E, Gaffney S, Lane T, Morin SF
• Potential deterrent effect of name-based HIV infection surveillance.
  Journal of acquired immune deficiency syndromes (1999) 2005 Charlebois ED, Maiorana A, McLaughlin M, Koester K, Gaffney S, Rutherford GW, Morin SF
• Written clinic procedures enhance delivery of HIV "prevention with positives" counseling in primary health care settings.
  Journal of acquired immune deficiency syndromes (1999) 2004 Myers JJ, Steward WT, Charlebois E, Koester KA, Maiorana A, Morin SF
• Missed opportunities: prevention with HIV-infected patients in clinical care settings.
  Journal of acquired immune deficiency syndromes (1999) 2004 Morin SF, Koester KA, Steward WT, Maiorana A, McLaughlin M, Myers JJ, Vernon K, Chesney MA
• Community consultation in HIV prevention research: a study of community advisory boards at 6 research sites.
  Journal of acquired immune deficiency syndromes (1999) 2003 Morin SF, Maiorana A, Koester KA, Sheon NM, Richards TA