Urmimala Sarkar, MD, MPH

Professor

Urmimala Sarkar MD, MPH is Professor of Medicine at UCSF in the Division of General Internal Medicine, Associate Chair for Faculty Experience for the Department of Medicine, Associate Director of the UCSF Center for Vulnerable Populations, and a primary care physician at Zuckerberg San Francisco General Hospital’s Richard H. Fine People's Clinic. Dr. Sarkar’s work centers on innovating for health equity and improving the safety and quality of outpatient care for everyone, especially low-income and diverse populations. Her expertise spans topics including medical errors and patient safety, diabetes, and cancer prevention and survivorship. Dr. Sarkar’s research is collaborative and intersects with methods found in human-centered design, human factors engineering, data science, health services research, and implementation science. Dr. Sarkar believes that mentoring and training with a commitment to diversity and inclusion are critical to achieving health equity. She advances health equity scholarship by mentoring students, residents, fellows, and junior faculty at UCSF and beyond.

If you would like to get in touch with Dr. Sarkar about her lab or the S.O.L.V.E. Health Tech program, please visit the appropriate link in the 'Website' section below to submit an interest form.
Education
03/2021 - Diversity, Equity, and Inclusion Champion Training, University of California
Fellow, 2008 - Internal Medicine, University of California, San Francisco
Residency, 2005 - Internal Medicine, University of California, San Francisco
Intern, 2003 - Internal Medicine, University of California, San Francisco
M.D., 2002 - , University of California, San Diego
M.P.H., 2000 - Epidemiology, University of California, Berkeley
B.S. Biology, 1996 - , Stanford University
Websites
Publications

  1. Dixit N, Rodriguez G, Sarkar U, Burke N, Trejo E, Devore DJ, Couey P, Nápoles AM. Identifying the Needs of Primary Care Providers Caring for Breast and Colon Cancer Survivors in the Safety-Net: a Qualitative Study. 2022. PMID: 35829986


  2. Lyles CR, Sharma AE, Fields JD, Getachew Y, Sarkar U, Zephyrin L. Centering Health Equity in Telemedicine. 2022. PMID: 35879077


  3. Linos E, Lasky-Fink J, Halley M, Sarkar U, Mangurian C, Sabry H, Linos E, Jagsi R. Impact of Sexual Harassment and Social Support on Burnout in Physician Mothers. 2022. PMID: 35730998


  4. Olazo K, Wang K, Sierra M, Barr-Walker J, Sarkar U. Preferences and Perceptions of Medical Error Disclosure Among Marginalized Populations: A Narrative Review. 2022. PMID: 35871035


  5. Khoong EC, Rivadeneira NA, Pacca L, Schillinger D, Lown D, Babaria P, Gupta N, Pramanik R, Tran H, Whitezell T, Somsouk M, Sarkar U. Extent of Follow-Up on Abnormal Cancer Screening in Multiple California Public Hospital Systems: A Retrospective Review. 2022. PMID: 35641722


  6. Gupta K, Szymonifka J, Rivadeneira NA, Khoong EC, Adler-Milstein J, Ross J, Sarkar U. Factors Associated with Malpractice Claim Payout: An Analysis of Closed Emergency Department Claims. 2022. PMID: 35764489


  7. Fontil V, Khoong EC, Lyles C, Rivadeneira NA, Olazo K, Hoskote M, Sarkar U. Diagnostic Trajectories in Primary Care at 12 Months: An Observational Cohort Study. 2022. PMID: 35649741


  8. Gupta K, Rivadeneira NA, Lisker S, Chahal K, Gross N, Sarkar U. Multispecialty Physician Online Survey Reveals That Burnout Related to Adverse Event Involvement May Be Mitigated by Peer Support. 2022. PMID: 35482414


  9. Chu JN, Nguyen TT, Rivadeneira NA, Hiatt RA, Sarkar U. Exploring factors associated with hepatitis B screening in a multilingual and diverse population. 2022. PMID: 35410249


  10. Sharma AE, Khoong EC, Sierra M, Rivadeneira NA, Nijagal MA, Su G, Lyles CR, Defries T, Tuot D, Sarkar U. System-level factors associated with telephone and video visit use: Survey of safety-net clinicians during the early phase of COVID-19. 2022. PMID: 35148271


  12. Bardach NS, Stotts JR, Fiore DM, Sarkar U, Sharma AE, Boscardin WJ, Avina L, Peralta-Neel C, Rosenbluth G. Family Input for Quality and Safety (FIQS): Using mobile technology for in-hospital reporting from families and patients. 2022. PMID: 35535946


  13. Khoong EC, Sharma AE, Gupta K, Adler-Milstein J, Sarkar U. The Abrupt Expansion of Ambulatory Telemedicine: Implications for Patient Safety. 2022. PMID: 35048294


  15. Sharma AE, Khoong EC, Rivadeneira N, Sierra M, Fang MC, Gupta N, Pramanik R, Tran H, Whitezell T, Fontil V, Lee SY, Sarkar U. Warfarin Monitoring in Safety-Net Health Systems: Analysis by Race/Ethnicity and Language Preference. 2022. PMID: 34993871


  16. Sharma AE, Lyson HC, Cherian R, Somsouk M, Schillinger D, Sarkar U. A Root Cause Analysis of Barriers to Timely Colonoscopy in California Safety-Net Health Systems. 2020. PMID: 32467445


  17. Ackerman SL, Gourley G, Le G, Williams P, Yazdany J, Sarkar U. Improving Patient Safety in Public Hospitals: Developing Standard Measures to Track Medical Errors and Process Breakdowns. 2018. PMID: 29543667


  19. Lyles CR, Wachter RM, Sarkar U. Focusing on Digital Health Equity. 2021. PMID: 34677577


  20. Reed G, Ahmad SR, Khoong EC, Olazo K, Jagsi R, Mangurian C, Sarkar U. Evaluation of Sexual Harassment Policies at Medical Institutions to Understand Attention to Harassment of Physicians by Patients. 2021. PMID: 34787660


  23. Wang JX, Somani S, Chen JH, Murray S, Sarkar U. Health Equity in Artificial Intelligence and Primary Care Research: Protocol for a Scoping Review. 2021. PMID: 34533458


  24. Sharma AE, Huang B, Stakeholder Research Advisory Council , Del Rosario JB, Yang J, Boscardin WJ, Sarkar U. Patient and caregiver factors in ambulatory incident reports: a mixed-methods analysis. 2021. PMID: 34544693


  25. Lyles CR, Adler-Milstein J, Thao C, Lisker S, Nouri S, Sarkar U. Alignment of Key Stakeholders' Priorities for Patient-Facing Tools in Digital Health: Mixed Methods Study. 2021. PMID: 34435966


  27. Blacklow SO, Lisker S, Ng MY, Sarkar U, Lyles C. Usability, inclusivity, and content evaluation of COVID-19 contact tracing apps in the United States. 2021. PMID: 34022053


  29. Khoong EC, Olazo K, Rivadeneira NA, Thatipelli S, Barr-Walker J, Fontil V, Lyles CR, Sarkar U. Mobile health strategies for blood pressure self-management in urban populations with digital barriers: systematic review and meta-analyses. 2021. PMID: 34294852


  30. Urmimala Sarkar. Imag(In)Ing the Nation. 2021. PMID:


  31. Sarkar U, Cassel C. Humanism Before Heroism in Medicine. 2021. PMID: 34110356


  32. Hemmat S, Khoong EC, Olazo K, Sharma AE, Mangurian C, Fernandez A, Sarkar U. Using incident reporting to understand and characterize sexual harassment of physicians by patients. 2021. PMID: 34254222


  33. Nguyen KH, Fields JD, Cemballi AG, Desai R, Gopalan A, Cruz T, Shah A, Akom A, Brown W, Sarkar U, Lyles CR. The Role of Community-Based Organizations in Improving Chronic Care for Safety-Net Populations. 2021. PMID: 34312263


  36. Halley MC, Mathews KS, Diamond LC, Linos E, Sarkar U, Mangurian C, Sabry H, Goyal MK, Olazo K, Miller EG, Jagsi R, Linos E. The Intersection of Work and Home Challenges Faced by Physician Mothers During the Coronavirus Disease 2019 Pandemic: A Mixed-Methods Analysis. 2021. PMID: 33761277


  37. Khoong EC, Fontil V, Rivadeneira NA, Hoskote M, Nundy S, Lyles CR, Sarkar U. Impact of digitally acquired peer diagnostic input on diagnostic confidence in outpatient cases: A pragmatic randomized trial. 2020. PMID: 33260212


  38. Lyles CR, Sarkar U, Patel U, Lisker S, Stark A, Guzman V, Patel A. Real-world insights from launching remote peer-to-peer mentoring in a safety net healthcare delivery setting. 2020. PMID: 33180917


  39. Linos E, Halley MC, Sarkar U, Mangurian C, Sabry H, Olazo K, Mathews KS, Diamond L, Goyal MK, Linos E, Jagsi R. Anxiety Levels Among Physician Mothers During the COVID-19 Pandemic. 2021. PMID: 33517747


  40. Dixit N, Sarkar U, Trejo E, Couey P, Rivadeneira NA, Ciccarelli B, Burke N. Catalyzing Navigation for Breast Cancer Survivorship (CaNBCS) in Safety-Net Settings: A Mixed Methods Study. 2021. PMID: 34657452


  41. Anjana E. Sharma, Elaine C. Khoong, Malini A. Nijagal, Courtney R. Lyles, George Su, Triveni DeFries, Urmimala Sarkar, Delphine Tuot. Clinician Experience with Telemedicine at a Safety-net Hospital Network during COVID-19: A Cross-sectional Survey. 2021. PMID:


  42. Lyon ZM, Yang R, Savoie MB, Schear S, Dong J, Javaherian K, Hauser K, Sarkar U, Garcia-Grossman I. Rapid Implementation of a Volunteer-Run Service to Combat Social Isolation in Hospitalized Patients During the COVID-19 Pandemic. 2021. PMID: 33764919


  43. Mehta KM, Babaria P, Bibbins-Domingo K, Sarkar U. Research Beyond the Ivory Tower: Partnering with Safety-Net Health Systems for Equity. 2021. PMID: 34421023


  45. Sharma AE, Mann Z, Cherian R, Del Rosario JB, Yang J, Sarkar U. Correction: Recommendations From the Twitter Hashtag #DoctorsAreDickheads: Qualitative Analysis. 2020. PMID: 33166260


  46. Santiago-Rodríguez EJ, Rivadeneira NA, Torres JM, Sarkar U, Hiatt RA. Socioeconomic status and colorectal cancer screening behaviors in a vulnerable multiethnic population. 2020. PMID: 33121258


  47. Sharma AE, Mann Z, Cherian R, Del Rosario JB, Yang J, Sarkar U. Recommendations From the Twitter Hashtag #DoctorsAreDickheads: Qualitative Analysis. 2020. PMID: 33112246


  48. Sarkar U, Samal L. How effective are clinical decision support systems? 2020. PMID: 32943393


  49. Hoskote M, Le G, Cherian R, Zeiger R, Sarkar U. Cancer patient perspectives on survivorship goals from the Smart Patients online community. 2020. PMID: 32918605


  51. Sarkar U, Hemmat S, Linos E. Sexual harassment and suicide. 2020. PMID: 32878861


  52. Sharma AE, Yang J, Del Rosario JB, Hoskote M, Rivadeneira NA. What Safety Events Are Reported For Ambulatory Care? Analysis of Incident Reports from a Patient Safety Organization. 2020. PMID: 32980254


  53. Aguilera A, Figueroa CA, Hernandez-Ramos R, Sarkar U, Cemballi A, Gomez-Pathak L, Miramontes J, Yom-Tov E, Chakraborty B, Yan X, Xu J, Modiri A, Aggarwal J, Jay Williams J, Lyles CR. mHealth app using machine learning to increase physical activity in diabetes and depression: clinical trial protocol for the DIAMANTE Study. 2020. PMID: 32819981


  55. Lyles CR, Nelson EC, Frampton S, Dykes PC, Cemballi AG, Sarkar U. Using Electronic Health Record Portals to Improve Patient Engagement: Research Priorities and Best Practices. 2020. PMID: 32479176


  56. Nouri SS, Adler-Milstein J, Thao C, Acharya P, Barr-Walker J, Sarkar U, Lyles C. Patient characteristics associated with objective measures of digital health tool use in the United States: A literature review. 2020. PMID: 32364238


  58. Betjemann J, Hemphill JC, Sarkar U. We Dropped the Reflex Hammer on Hypertension 20 Years Ago-Reply. 2020. PMID: 32119033


  59. Hickey MD, Lisker S, Brodie S, Vittinghoff E, Russell MD, Sarkar U. Customized registry tool for tracking adherence to clinical guidelines for head and neck cancers: protocol for a pilot study. 2020. PMID: 32047648


  60. Yu K, Westbrook M, Brodie S, Lisker S, Vittinghoff E, Hua V, Russell M, Sarkar U. Gaps in Treatment and Surveillance: Head and Neck Cancer Care in a Safety-Net Hospital. 2020. PMID: 32083239


  61. Jonassaint CR, Kang C, Prussien KV, Yarboi J, Sanger MS, Wilson JD, De Castro L, Shah N, Sarkar U. Feasibility of implementing mobile technology-delivered mental health treatment in routine adult sickle cell disease care. 2018. PMID: 30508141


  62. Dixit N, Burke N, Rodriguez G, Sarkar U, Cicerelli B, DeVore JD, Nápoles AM. Knowledge and self-efficacy for caring for breast and colon cancer survivors among safety net primary care providers. 2020. PMID: 32016600


  63. Cherian R, Le G, Whall J, Gomez S, Sarkar U. Content shared on social media for national cancer survivors day 2018. 2020. PMID: 31940384


  65. Barrett NJ, Rodriguez EM, Iachan R, Hyslop T, Ingraham KL, Le GM, Martin K, Haring RC, Rivadeneira NA, Erwin DO, Fish LJ, Middleton D, Hiatt RA, Patierno SR, Sarkar U, Gage-Bouchard EA. Factors associated with biomedical research participation within community-based samples across 3 National Cancer Institute-designated cancer centers. 2020. PMID: 31909824


  66. Rivadeneira NA, Hoskote M, Le GM, Nguyen TT, Nápoles AM, Pasick RJ, Sarkar U, Hiatt RA. Advancing Cancer Control in San Francisco: Cancer Screening in Under-Represented Populations. 2020. PMID: 31862104


  67. Lee JS, Lisker S, Vittinghoff E, Cherian R, McCoy DB, Rybkin A, Su G, Sarkar U. Follow-up of incidental pulmonary nodules and association with mortality in a safety-net cohort. 2019. PMID: 31373897


  68. Lin SC, Lyles CR, Sarkar U, Adler-Milstein J. Are Patients Electronically Accessing Their Medical Records? Evidence From National Hospital Data. 2019. PMID: 31682494


  69. Betjemann J, Hemphill JC, Sarkar U. Time for Neurologists to Drop the Reflex Hammer on Hypertension. 2019. PMID: 31424488


  70. Avila-Garcia P, Hernandez-Ramos R, Nouri SS, Cemballi A, Sarkar U, Lyles CR, Aguilera A. Engaging users in the design of an mHealth, text message-based intervention to increase physical activity at a safety-net health care system. 2019. PMID: 32025646


  72. Nouri SS, Avila-Garcia P, Cemballi AG, Sarkar U, Aguilera A, Lyles CR. Assessing Mobile Phone Digital Literacy and Engagement in User-Centered Design in a Diverse, Safety-Net Population: Mixed Methods Study. 2019. PMID: 31469083


  74. Radcliffe K, Lyson HC, Barr-Walker J, Sarkar U. Collective intelligence in medical decision-making: a systematic scoping review. 2019. PMID: 31399099


  76. Lyson HC, Le GM, Zhang J, Rivadeneira N, Lyles C, Radcliffe K, Pasick RJ, Sawaya G, Sarkar U, Centola D. Social Media as a Tool to Promote Health Awareness: Results from an Online Cervical Cancer Prevention Study. 2018. PMID: 29948924


  77. Hemmat S, Khoong EC, Sharma AE, Sarkar U. Sharing Stories, Searching for Solutions: Sexual Harassment of Physicians by Patients. 2019. PMID: 31300215


  81. Khoong EC, Le GM, Hoskote M, Rivadeneira NA, Hiatt RA, Sarkar U. Health Information-seeking Behaviors and Preferences of a Diverse, Multilingual Urban Cohort. 2019. PMID: 31095058


  82. Chan B, Goldman LE, Sarkar U, Guzman D, Critchfield J, Saha S, Kushel M. High perceived social support and hospital readmissions in an older multi-ethnic, limited English proficiency, safety-net population. 2019. PMID: 31126336


  83. Rojek AE, Khanna R, Yim JWL, Gardner R, Lisker S, Hauer KE, Lucey C, Sarkar U. Differences in Narrative Language in Evaluations of Medical Students by Gender and Under-represented Minority Status. 2019. PMID: 30993609


  85. Lyles CR, Tieu L, Sarkar U, Kiyoi S, Sadasivaiah S, Hoskote M, Ratanawongsa N, Schillinger D. A Randomized Trial to Train Vulnerable Primary Care Patients to Use a Patient Portal. 2019. PMID: 30850461


  86. Le GM, Radcliffe K, Lyles C, Lyson HC, Wallace B, Sawaya G, Pasick R, Centola D, Sarkar U. Perceptions of cervical cancer prevention on Twitter uncovered by different sampling strategies. 2019. PMID: 30742683


  87. Cherian R, Sarkar U, Khoong EC, Ackerman S, Gourley G, Schillinger D. Standardization in Diverse Populations: Implementation of Evidence-Based Practices in a Safety-Net Setting. 2019. PMID: 31294306


  88. Gupta K, Lisker S, Rivadeneira NA, Mangurian C, Linos E, Sarkar U. Decisions and repercussions of second victim experiences for mothers in medicine (SAVE DR MoM). 2019. PMID: 30718333


  89. Fontil V, Radcliffe K, Lyson HC, Ratanawongsa N, Lyles C, Tuot D, Yuen K, Sarkar U. Testing and improving the acceptability of a web-based platform for collective intelligence to improve diagnostic accuracy in primary care clinics. 2019. PMID: 31984344


  90. Lyson HC, Ackerman S, Lyles C, Schillinger D, Williams P, Gourley G, Gupta R, Handley M, Sarkar U. Redesigning primary care in the safety net: A qualitative analysis of team-based care implementation. 2018. PMID: 30552044


  91. Valy Fontil, Elaine Khoong, Mekhala Hoskote, Kate Radcliffe, Neda Ratanawongsa, Courtney Rees Lyles, Urmimala Sarkar. Evaluation of an health-IT-enabled collective intelligence platform to improve diagnosis in primary care and urgent care settings: Study Design (Preprint). 2018. PMID:


  92. Ramo DE, Meacham M, Thrul J, Belohlavek A, Sarkar U, Humfleet G. Exploring Identities and Preferences for Intervention Among LGBTQ+ Young Adult Smokers Through Online Focus Groups. 2018. PMID: 30509769


  93. Schmajuk G, Jafri K, Evans M, Shiboski S, Gianfrancesco M, Izadi Z, Patterson SL, Aggarwal I, Sarkar U, Dudley RA, Yazdany J. Pneumocystis jirovecii pneumonia (PJP) prophylaxis patterns among patients with rheumatic diseases receiving high-risk immunosuppressant drugs. 2018. PMID: 30449650


  94. Khoong EC, Cherian R, Rivadeneira NA, Gourley G, Yazdany J, Amarnath A, Schillinger D, Sarkar U. Accurate Measurement In California's Safety-Net Health Systems Has Gaps And Barriers. 2018. PMID: 30395496


  95. Giardina TD, Haskell H, Menon S, Hallisy J, Southwick FS, Sarkar U, Royse KE, Singh H. Learning From Patients' Experiences Related To Diagnostic Errors Is Essential For Progress In Patient Safety. 2018. PMID: 30395513


  96. Sharma AE, Rivadeneira NA, Barr-Walker J, Stern RJ, Johnson AK, Sarkar U. Patient Engagement In Health Care Safety: An Overview Of Mixed-Quality Evidence. 2018. PMID: 30395509


  97. Lyles CR, Handley MA, Ackerman SL, Schillinger D, Williams P, Westbrook M, Gourley G, Sarkar U. Innovative Implementation Studies Conducted in US Safety Net Health Care Settings: A Systematic Review. 2018. PMID: 30198304


  98. Fontil V, Lyles CR, Schillinger D, Handley MA, Ackerman S, Gourley G, Bibbins-Domingo K, Sarkar U. Safety-net institutions in the US grapple with new cholesterol treatment guidelines: a qualitative analysis from the PHoENIX Network. 2018. PMID: 30034258


  99. Cherian R, Sarkar U, Khoong EC, Ackerman S, Gourley G, Schillinger D. Efficiency, Efficacy, and Power in the Implementation of a Medication Adherence Aid. 2018. PMID: 31294287


  100. Khoong EC, Cherian R, Smith DE, Schillinger D, Wolf MS, Sarkar U. Implementation of patient-centered prescription labeling in a safety-net ambulatory care network. 2018. PMID: 29950392


  101. Sarkar U, Le GM, Lyles CR, Ramo D, Linos E, Bibbins-Domingo K. Using Social Media to Target Cancer Prevention in Young Adults: Viewpoint. Volume 20 of Issue 6. 2018. PMID: 29871850


  104. Cherian R, Westbrook M, Ramo D, Sarkar U. Representations of Codeine Misuse on Instagram: Content Analysis. Volume 4 of Issue 1. 2018. PMID: 29559422


  105. Sarkar U, McDonald K, Motala A, Smith P, Zipperer L, Wachter RM, Shanman R, Shekelle PG. Pragmatic Insights on Patient Safety Priorities and Intervention Strategies in Ambulatory Settings. 2017. PMID: 29173287


  106. Clarity C, Sarkar U, Lee J, Handley MA, Goldman LE. Clinician Perspectives on the Management of Abnormal Subcritical Tests in an Urban Academic Safety-Net Health Care System. Volume 43 of Issue 10. 2017. PMID: 28942776


  107. Ackerman SL, Sarkar U, Tieu L, Handley MA, Schillinger D, Hahn K, Hoskote M, Gourley G, Lyles C. Meaningful use in the safety net: a rapid ethnography of patient portal implementation at five community health centers in California. Volume 24 of Issue 5. 2017. PMID: 28340229


  109. Luxenberg A, Chan B, Khanna R, Sarkar U. Efficiency and Interpretability of Text Paging Communication for Medical Inpatients: A Mixed-Methods Analysis. Volume 177 of Issue 8. 2017. PMID: 28628695


  111. Clarity C, Gourley G, Lyles C, Ackerman S, Handley MA, Schillinger D, Sarkar U, Conigliaro J. Implementation Science Workshop: Barriers and Facilitators to Increasing Mammography Screening Rates in California's Public Hospitals. Volume 32 of Issue 6. 2017. PMID: 28188571


  112. Hemmat S, Schillinger D, Lyles C, Ackerman S, Gourley G, Vittinghoff E, Handley M, Sarkar U. Performance Measurement and Target-Setting in California's Safety Net Health Systems. Volume 33 of Issue 2. 2017. PMID: 28555507


  113. Lyles C, Sarkar U. Seeing the Effect of Health Care Delivery Innovation in the Safety Net. Volume 177 of Issue 5. 2017. PMID: 28346579


  114. Lee SY, Cherian R, Ly I, Horton C, Salley AL, Sarkar U. Designing and Implementing an Electronic Patient Registry to Improve Warfarin Monitoring in the Ambulatory Setting. Volume 43 of Issue 7. 2017. PMID: 28648221


  115. Tieu L, Schillinger D, Sarkar U, Hoskote M, Hahn KJ, Ratanawongsa N, Ralston JD, Lyles CR. Online patient websites for electronic health record access among vulnerable populations: portals to nowhere? Volume 24 of Issue e1. 2017. PMID: 27402138


  116. Schmajuk G, Tonner C, Trupin L, Li J, Sarkar U, Ludwig D, Shiboski S, Sirota M, Dudley RA, Murray S, Yazdany J. Using health-system-wide data to understand hepatitis B virus prophylaxis and reactivation outcomes in patients receiving rituximab. Volume 96 of Issue 13. 2017. PMID: 28353614


  117. Schillinger D, McNamara D, Crossley S, Lyles C, Moffet HH, Sarkar U, Duran N, Allen J, Liu J, Oryn D, Ratanawongsa N, Karter AJ. The Next Frontier in Communication and the ECLIPPSE Study: Bridging the Linguistic Divide in Secure Messaging. Volume 2017. 2017. PMID: 28265579


  118. Issaka RB, Singh MH, Oshima SM, Laleau VJ, Rachocki CD, Chen EH, Day LW, Sarkar U, Somsouk M. Inadequate Utilization of Diagnostic Colonoscopy Following Abnormal FIT Results in an Integrated Safety-Net System. Volume 112 of Issue 2. 2016. PMID: 28154400


  119. Rajan JV, Moura J, Gourley G, Kiso K, Sizilio A, Cortez AM, Riley LW, Veras MA, Sarkar U. Understanding the barriers to successful adoption and use of a mobile health information system in a community health center in São Paulo, Brazil: a cohort study. Volume 16 of Issue 1. 2016. PMID: 27855685


  120. Sarkar U, Lyles C, Steinman M, Huang ES, Moffet HH, Whitmer RA, Warton EM, Karter AJ. Changes in Medication Use After Dementia Diagnosis in an Observational Cohort of Individuals with Diabetes Mellitus. Volume 65 of Issue 1. 2016. PMID: 27642180


  121. Gertler SA, Coralic Z, López A, Stein JC, Sarkar U. Root Cause Analysis of Ambulatory Adverse Drug Events That Present to the Emergency Department. Volume 12 of Issue 3. 2016. PMID: 24583958


  122. Price EL, Sewell JL, Chen AH, Sarkar U. Minding the Gaps: Assessing Communication Outcomes of Electronic Preconsultation Exchange. Volume 42 of Issue 8. 2016. PMID: 27456415


  123. Sarkar U, Gourley GI, Lyles CR, Tieu L, Clarity C, Newmark L, Singh K, Bates DW. Usability of Commercially Available Mobile Applications for Diverse Patients. Volume 31 of Issue 12. 2016. PMID: 27418347


  124. Patterson ES, Militello LG, Su G, Sarkar U. Characterizing a Naturalistic Decision Making Phenomenon: Loss of System Resilience Associated with Implementation of New Technology. Volume 10 of Issue 3. 2016. PMID: 28138316


  125. Lyles CR, Godbehere A, Le G, El Ghaoui L, Sarkar U. Applying Sparse Machine Learning Methods to Twitter: Analysis of the 2012 Change in Pap Smear Guidelines. A Sequential Mixed-Methods Study. Volume 2 of Issue 1. 2016. PMID: 27288093


  126. Rachel B. Issaka, Maneesh H. Singh, Victoria Laleau, Sachi Oshima, Carly Rachocki, Urmimala Sarkar, Lukejohn Day, Ma Somsouk. Sa1132 Limited Utilization of Diagnostic Colonoscopy Following Positive FIT in a Safety-Net System. 2016. PMID:


  127. Giardina TD, Sarkar U, Gourley G, Modi V, Meyer AN, Singh H. Online public reactions to frequency of diagnostic errors in US outpatient care. Volume 3 of Issue 1. 2016. PMID: 27347474


  128. Garg SK, Lyles CR, Ackerman S, Handley MA, Schillinger D, Gourley G, Aulakh V, Sarkar U. Qualitative analysis of programmatic initiatives to text patients with mobile devices in resource-limited health systems. Volume 16. 2016. PMID: 26851941


  129. Sarkar U, Bates DW. Re: A systematic review of patients' experiences of adverse events in health care. Volume 28 of Issue 2. 2016. PMID: 26843549


  130. Tuot DS, Leeds K, Murphy EJ, Sarkar U, Lyles CR, Mekonnen T, Chen AH. Facilitators and barriers to implementing electronic referral and/or consultation systems: a qualitative study of 16 health organizations. Volume 15. 2015. PMID: 26687507


  131. Sarkar U. Tip of the iceberg: patient safety incidents in primary care. Volume 25 of Issue 7. 2015. PMID: 26677214


  132. Tieu L, Sarkar U, Schillinger D, Ralston JD, Ratanawongsa N, Pasick R, Lyles CR. Barriers and Facilitators to Online Portal Use Among Patients and Caregivers in a Safety Net Health Care System: A Qualitative Study. Volume 17 of Issue 12. 2015. PMID: 26681155


  133. Urmimala Sarkar, David Lown, Sara Ackerman, Courtney Lyles, Gato Gourley, Dean Schillinger, Margaret A Handley. Coordinated performance measurement and improvement efforts in California's safety net systems: early experience and lessons. 2015. PMID:


  134. Chodos AH, Kushel MB, Greysen SR, Guzman D, Kessell ER, Sarkar U, Goldman LE, Critchfield JM, Pierluissi E. Hospitalization-Associated Disability in Adults Admitted to a Safety-Net Hospital. Volume 30 of Issue 12. 2015. PMID: 25986139


  135. Chan B, Goldman LE, Sarkar U, Schneidermann M, Kessell E, Guzman D, Critchfield J, Kushel M. The Effect of a Care Transition Intervention on the Patient Experience of Older Multi-Lingual Adults in the Safety Net: Results of a Randomized Controlled Trial. Volume 30 of Issue 12. 2015. PMID: 25986136


  136. Mirsky JB, Tieu L, Lyles C, Sarkar U. A Mixed-Methods Study of Patient-Provider E-Mail Content in a Safety-Net Setting. Volume 21 of Issue 1. 2015. PMID: 26332306


  137. Lyles CR, Sarkar U, Schillinger D, Ralston JD, Allen JY, Nguyen R, Karter AJ. Refilling medications through an online patient portal: consistent improvements in adherence across racial/ethnic groups. Volume 23 of Issue e1. 2015. PMID: 26335983


  138. Chan B, Lopez A, Sarkar U. The Canary in the Coal Mine Tweets: Social Media Reveals Public Perceptions of Non-Medical Use of Opioids. Volume 10 of Issue 8. 2015. PMID: 26252774


  139. Ratanawongsa N, Karter AJ, Quan J, Parker MM, Handley M, Sarkar U, Schmittdiel JA, Schillinger D. Reach and Validity of an Objective Medication Adherence Measure Among Safety Net Health Plan Members with Diabetes: A Cross-Sectional Study. Volume 21 of Issue 8. 2015. PMID: 26233541


  140. Mirsky JB, Tieu L, Lyles C, Sarkar U. Readability assessment of patient-provider electronic messages in a primary care setting. Volume 23 of Issue 1. 2015. PMID: 26177659


  141. Lyles C, Schillinger D, Sarkar U. Connecting the Dots: Health Information Technology Expansion and Health Disparities. Volume 12 of Issue 7. 2015. PMID: 26172977


  142. Chao MT, Handley MA, Quan J, Sarkar U, Ratanawongsa N, Schillinger D. Disclosure of complementary health approaches among low income and racially diverse safety net patients with diabetes. 2015. PMID: 26146238


  143. Quan J, Lee AK, Handley MA, Ratanawongsa N, Sarkar U, Tseng S, Schillinger D. Automated Telephone Self-Management Support for Diabetes in a Low-Income Health Plan: A Health Care Utilization and Cost Analysis. Volume 18 of Issue 6. 2015. PMID: 26102298


  145. Brown RT, Pierluissi E, Guzman D, Kessell ER, Goldman LE, Sarkar U, Schneidermann M, Critchfield JM, Kushel MB. Functional disability in late-middle-aged and older adults admitted to a safety-net hospital. Volume 62 of Issue 11. 2014. PMID: 25367281


  146. Goldman LE, Sarkar U, Kessell E, Guzman D, Schneidermann M, Pierluissi E, Walter B, Vittinghoff E, Critchfield J, Kushel M. Support from hospital to home for elders: a randomized trial. Volume 161 of Issue 7. 2014. PMID: 25285540


  147. Sarkar U, Simchowitz B, Bonacum D, Strull W, Lopez A, Rotteau L, Shojania KG. A Qualitative Analysis of Physician Perspectives on Missed and Delayed Outpatient Diagnosis: The Focus on System-Related Factors. Volume 40 of Issue 10. 2014. PMID: 26111306


  148. Lyles CR, Sarkar U, Osborn CY. Getting a technology-based diabetes intervention ready for prime time: a review of usability testing studies. Volume 14 of Issue 10. 2014. PMID: 25173689


  149. Greysen SR, Hoi-Cheung D, Garcia V, Kessell E, Sarkar U, Goldman L, Schneidermann M, Critchfield J, Pierluissi E, Kushel M. "Missing pieces"--functional, social, and environmental barriers to recovery for vulnerable older adults transitioning from hospital to home. Volume 62 of Issue 8. 2014. PMID: 24934494


  150. Wallace BC, Paul MJ, Sarkar U, Trikalinos TA, Dredze M. A large-scale quantitative analysis of latent factors and sentiment in online doctor reviews. Volume 21 of Issue 6. 2014. PMID: 24918109


  151. Maria T. Chao, Margaret Handley, Judy Quan, Urmimala Sarkar, Neda Ratanawongsa, Dean Schillinger. Disclosure of Complementary and Alternative Medicine Use Among Diverse Safety Net Patients with Diabetes. 2014. PMID:


  152. Berkowitz SA, Karter AJ, Lyles CR, Liu JY, Schillinger D, Adler NE, Moffet HH, Sarkar U. Low socioeconomic status is associated with increased risk for hypoglycemia in diabetes patients: the Diabetes Study of Northern California (DISTANCE). Volume 25 of Issue 2. 2014. PMID: 24858863


  153. Ratanawongsa N, Handley MA, Sarkar U, Quan J, Pfeifer K, Soria C, Schillinger D. Diabetes health information technology innovation to improve quality of life for health plan members in urban safety net. Volume 37 of Issue 2. 2014. PMID: 24594561


  154. Sarkar U, Lyles CR, Parker MM, Allen J, Nguyen R, Moffet HH, Schillinger D, Karter AJ. Use of the refill function through an online patient portal is associated with improved adherence to statins in an integrated health system. Volume 52 of Issue 3. 2014. PMID: 24374412


  155. Bailey SC, Wolf MS, Lopez A, Russell A, Chen AH, Schillinger D, Moy G, Sarkar U. Expanding the Universal Medication Schedule: a patient-centred approach. Volume 4 of Issue 1. 2014. PMID: 24413344


  156. Sarkar U, Bates DW. Care partners and online patient portals. Volume 311 of Issue 4. 2014. PMID: 24394945


  157. Urmimala Sarkar. Patient Safety in Outpatient Care. 2014. PMID:


  158. Lyles CR, Aulakh V, Jameson W, Schillinger D, Yee H, Sarkar U. Innovation and transformation in California's safety net health care settings: an inside perspective. Volume 29 of Issue 6. 2013. PMID: 24170938


  159. Detz A, López A, Sarkar U. Long-term doctor-patient relationships: patient perspective from online reviews. Volume 15 of Issue 7. 2013. PMID: 23819959


  160. Lyles CR, Sarkar U, Ralston JD, Adler N, Schillinger D, Moffet HH, Huang ES, Karter AJ. Patient-provider communication and trust in relation to use of an online patient portal among diabetes patients: The Diabetes and Aging Study. Volume 20 of Issue 6. 2013. PMID: 23676243


  161. Lyles CR, Schillinger D, Lopez A, Handley M, Ratanawongsa N, Sarkar U. Safety events during an automated telephone self-management support intervention. Volume 7 of Issue 3. 2013. PMID: 23759391


  162. Peñaloza RA, Sarkar U, Claman DM, Omachi TA. Trends in on-label and off-label modafinil use in a nationally representative sample. Volume 173 of Issue 8. 2013. PMID: 23552641


  163. Lyles CR, Sarkar U. Additional considerations for 'Harnessing the cloud of patient experience'. Volume 22 of Issue 8. 2013. PMID: 23476069


  165. Baxi S, Lakin J, Lyles CR, Berkowitz S, Horton C, Sarkar U. Points for improvement: performance measurement for glycemic control in diabetes patients in a safety-net population. Volume 39 of Issue 3. 2013. PMID: 23516760


  166. Berkowitz SA, Aragon K, Hines J, Seligman H, Lee S, Sarkar U. Do clinical standards for diabetes care address excess risk for hypoglycemia in vulnerable patients? A systematic review. Volume 48 of Issue 4. 2013. PMID: 23445498


  167. Schickedanz A, Huang D, Lopez A, Cheung E, Lyles CR, Bodenheimer T, Sarkar U. Access, interest, and attitudes toward electronic communication for health care among patients in the medical safety net. Volume 28 of Issue 7. 2013. PMID: 23423453


  168. Cohen S, Sarkar U. Ice cream rounds. Volume 88 of Issue 1. 2013. PMID: 23267226


  169. Lyles CR, Grothaus L, Reid RJ, Sarkar U, Ralston JD. Communication about diabetes risk factors during between-visit encounters. Volume 18 of Issue 12. 2012. PMID: 23286610


  170. López A, Patterson AM, John V, Sarkar U. Electronic health record implementation in outpatient safety-net settings in California. Volume 23 of Issue 4. 2012. PMID: 23698659


  171. Omachi TA, Sarkar U, Yelin EH, Blanc PD, Katz PP. Lower health literacy is associated with poorer health status and outcomes in chronic obstructive pulmonary disease. Volume 28 of Issue 1. 2012. PMID: 22890622


  172. Sarkar U, Bonacum D, Strull W, Spitzmueller C, Jin N, López A, Giardina TD, Meyer AN, Singh H. Challenges of making a diagnosis in the outpatient setting: a multi-site survey of primary care physicians. Volume 21 of Issue 8. 2012. PMID: 22626738


  173. Brenner S, Detz A, López A, Horton C, Sarkar U. Signal and noise: applying a laboratory trigger tool to identify adverse drug events among primary care patients. Volume 21 of Issue 8. 2012. PMID: 22626736


  174. Bailey SC, Sarkar U, Chen AH, Schillinger D, Wolf MS. Evaluation of language concordant, patient-centered drug label instructions. Volume 27 of Issue 12. 2012. PMID: 22451015


  175. Hilton JF, Barkoff L, Chang O, Halperin L, Ratanawongsa N, Sarkar U, Leykin Y, Muñoz RF, Thom DH, Kahn JS. A cross-sectional study of barriers to personal health record use among patients attending a safety-net clinic. Volume 7 of Issue 2. 2012. PMID: 22363761


  176. Bailey SC, Hasnain-Wynia R, Chen AH, Sarkar U, Schoua-Glusberg A, Lindquist LA, Schillinger D, Wolf MS. Developing multilingual prescription instructions for patients with limited english proficiency. Volume 23 of Issue 1. 2012. PMID: 22643463


  177. Ratanawongsa N, Handley MA, Quan J, Sarkar U, Pfeifer K, Soria C, Schillinger D. Quasi-experimental trial of diabetes Self-Management Automated and Real-Time Telephonic Support (SMARTSteps) in a Medicaid managed care plan: study protocol. Volume 12. 2012. PMID: 22280514


  178. López A, Detz A, Ratanawongsa N, Sarkar U. What patients say about their doctors online: a qualitative content analysis. Volume 27 of Issue 6. 2012. PMID: 22215270


  179. Plantinga L, Grubbs V, Sarkar U, Hsu CY, Hedgeman E, Robinson B, Saran R, Geiss L, Burrows NR, Eberhardt M, Powe N. Nonsteroidal anti-inflammatory drug use among persons with chronic kidney disease in the United States. Volume 9 of Issue 5. 2011. PMID: 21911761


  180. Sarkar U, López A, Black K, Schillinger D. The wrong tool for the job: diabetes public health programs and practice guidelines. Volume 101 of Issue 10. 2011. PMID: 21852653


  181. Seligman HK, Jacobs EA, Lopez A, Sarkar U, Tschann J, Fernandez A. Food insecurity and hypoglycemia among safety net patients with diabetes. Volume 171 of Issue 13. 2011. PMID: 21747017


  182. Sarkar U, López A, Maselli JH, Gonzales R. Adverse drug events in U.S. adult ambulatory medical care. Volume 46 of Issue 5. 2011. PMID: 21554271


  183. Moffet HH, Parker MM, Sarkar U, Schillinger D, Fernandez A, Adler NE, Adams AS, Karter AJ. Adherence to laboratory test requests by patients with diabetes: the Diabetes Study of Northern California (DISTANCE). Volume 17 of Issue 5. 2011. PMID: 21718081


  184. Sarkar U, Karter AJ, Liu JY, Adler NE, Nguyen R, López A, Schillinger D. Social disparities in internet patient portal use in diabetes: evidence that the digital divide extends beyond access. Volume 18 of Issue 3. 2011. PMID: 21262921


  185. Sarkar U, Schillinger D, López A, Sudore R. Validation of self-reported health literacy questions among diverse English and Spanish-speaking populations. Volume 26 of Issue 3. 2010. PMID: 21057882


  186. Urmimala Sarkar, Andrew J. Karter, Jennifer Y. Liu, Howard H. Moffet, Nancy E. Adler, Dean Schillinger. Erratum to: Hypoglycemia is More Common Among Type 2 Diabetes Patients with Limited Health Literacy: The Diabetes Study of Northern California (DISTANCE). 2010. PMID:


  187. Sarkar U, Schillinger D, Bibbins-Domingo K, Nápoles A, Karliner L, Pérez-Stable EJ. Patient-physicians' information exchange in outpatient cardiac care: time for a heart to heart? Volume 85 of Issue 2. 2010. PMID: 21035298


  188. Sarkar U, Karter AJ, Liu JY, Moffet HH, Adler NE, Schillinger D. Hypoglycemia is more common among type 2 diabetes patients with limited health literacy: the Diabetes Study of Northern California (DISTANCE). Volume 25 of Issue 9. 2010. PMID: 20480249


  189. Sarkar U, Handley MA, Gupta R, Tang A, Murphy E, Seligman HK, Shojania KG, Schillinger D. What happens between visits? Adverse and potential adverse events among a low-income, urban, ambulatory population with diabetes. Volume 19 of Issue 3. 2010. PMID: 20378619


  191. Schillinger D, Sarkar U. Numbers don't lie, but do they tell the whole story? Volume 32 of Issue 9. 2009. PMID: 19717819


  192. Sarkar U, Wachter RM, Schroeder SA, Schillinger D. Refocusing the lens: patient safety in ambulatory chronic disease care. 2009. PMID: 19634806


  193. Casalino LP, Dunham D, Chin MH, Bielang R, Kistner EO, Karrison TG, Ong MK, Sarkar U, McLaughlin MA, Meltzer DO. Frequency of failure to inform patients of clinically significant outpatient test results. Volume 169 of Issue 12. 2009. PMID: 19546413


  195. Sarkar U, Schillinger D. Does lower diabetes-related numeracy lead to increased risk for hypoglycemic events? Volume 149 of Issue 8. 2008. PMID: 18936513


  196. Omachi TA, Iribarren C, Sarkar U, Tolstykh I, Yelin EH, Katz PP, Blanc PD, Eisner MD. Risk factors for death in adults with severe asthma. Volume 101 of Issue 2. 2008. PMID: 18727467


  197. Sarkar U, Handley MA, Gupta R, Tang A, Murphy E, Seligman HK, Shojania KG, Schillinger D. Use of an interactive, telephone-based self-management support program to identify adverse events among ambulatory diabetes patients. Volume 23 of Issue 4. 2008. PMID: 18373145


  198. Sarkar U, Piette JD, Gonzales R, Lessler D, Chew LD, Reilly B, Johnson J, Brunt M, Huang J, Regenstein M, Schillinger D. Preferences for self-management support: findings from a survey of diabetes patients in safety-net health systems. Volume 70 of Issue 1. 2007. PMID: 17997264


  199. Theodore A. Omachi, Carlos Iribarren, Urmimala Sarkar, Irina Tolstykh, Edward H. Yelin, Patricia P. Katz, Paul D. Blanc, Mark D. Eisner. PROSPECTIVE RISK FACTORS FOR DEATH AMONG ADULTS WITH SEVERE ASTHMA. 2007. PMID:


  200. Sarkar U, Carter JT, Omachi TA, Vidyarthi AR, Cucina R, Bokser S, van Eaton E, Blum M. SynopSIS: integrating physician sign-out with the electronic medical record. Volume 2 of Issue 5. 2007. PMID: 17935249


  201. Gardner RL, Sarkar U, Maselli JH, Gonzales R. Factors associated with longer ED lengths of stay. Volume 25 of Issue 6. 2007. PMID: 17606089


  203. Sarkar U, Fisher L, Schillinger D. Is self-efficacy associated with diabetes self-management across race/ethnicity and health literacy? Volume 29 of Issue 4. 2006. PMID: 16567822


  204. Sarkar U, Nascimento SF, Barbosa R, Martins R, Nuevo H, Kalofonos I, Kalafanos I, Grunstein I, Flannery B, Dias J, Riley LW, Reis MG, Ko AI. Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic. Volume 66 of Issue 5. 2002. PMID: 12201599