Gabe Ortiz, MD, PhD

TitleAssistant Professor
SchoolUCSF School of Medicine
Address1001 Potrero Ave
San Francisco CA 94110
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    Collapse Education and Training
    Yale UniveristyMS, BS1996Molecular Biophysics and Biochemistry
    Tri-Institutional MD, PhD Program of Weill Cornell, the Rockefeller, and Memorial Sloan-KetteringMD, PhD2004Medicine and Human Immunology
    UCSFResidency2007Internal Medicine
    UCSFChief Residency2008Internal Medicine
    UCSFFellowship2012Infectious Diseases

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    Collapse Overview
    Gabriel Ortiz (aka, Gabe) joined the Division of Hospital Medicine at Zuckerberg San Francisco General Hospital and Trauma Center (ZSFG) in 2012 in order to apply his clinical and analytic skills to quality improvement work to better the care delivered to the vulnerable communities served by this county hospital. Gabe's primary area of quality improvement work is centered around hospital operations and improving patient flow, which lies at the nexus of patient safety, patient satisfaction, and clinical quality. Gabe is certified in Toyota's LEAN production and LEAN daily management systems, and he is an avid "PDSA-er". He has contributed to the kaizen work of multiple value streams across the ZSFG campus (see featured videos for report-out links located on this profile page, below) including Med/Surg, Emergency Department, Pharmacy, Radiology, Urgent Care and Peri-Op Services, and he has contributed significantly to the 3P Design Process to lay the foundation for the patient-centered, flexible acuity model that is currently practiced in the new hospital tower of Zuckerberg San Francisco General that was opened in May 2016. Further, Gabe is a member of the ED Leadership Team, the Med/Surg Steering Committee, CPG Committee, and various other important committees at ZSFG. As part of his operational interests and in addition to the application of QI principles to hospital operations, Gabe is the clinical lead for designing and implementing electronic workflows used for delivering clinical care in the inpatient setting in preparation for an enterprise EHR implementation in the future.

    Gabe continues to be devoted to improving patient flow and hospital operations with the aim to ensure the highest quality care is delivered to our most vulnerable.

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Haber LA, Ortiz G. Clearing the air: inpatient providers' knowledge, perspectives, and experience with electronic cigarettes. J Hosp Med. 2014 Dec; 9(12):805-7. PMID: 25352497.
      View in: PubMed
    2. Seu L, Ortiz G, Burt TD, Deeks SG, Martin JN, McCune JM. Levels of circulating myeloid subpopulations and of heme oxygenase-1 do not predict CD4(+) T cell recovery after the initiation of antiretroviral therapy for HIV disease. AIDS Res Ther. 2014; 11:27. PMID: 25180041; PMCID: PMC4150425.
    3. Seu L, Ortiz G, Epling L, Sinclair E, Swainson LA, Bajpai UD, Huang Y, Deeks SG, Hunt PW, Martin JN, McCune JM. Higher CD27+CD8+ T cells percentages during suppressive antiretroviral therapy predict greater subsequent CD4+ T cell recovery in treated HIV infection. PLoS One. 2013; 8(12):e84091. PMID: 24391889; PMCID: PMC3877182.
    4. Brown JN, Ortiz G, Angel TE, Jacobs JM, Gritsenko M, Chan EY, Purdy DE, Murnane RD, Larsen K, Palermo RE, Shukla AK, Clauss TR, Katze MG, McCune JM, Smith RD. Morphine produces immunosuppressive effects in nonhuman primates at the proteomic and cellular levels. Mol Cell Proteomics. 2012 Sep; 11(9):605-18. PMID: 22580588; PMCID: PMC3434775.
    5. Rakoff-Nahoum S, Kuebler PJ, Heymann JJ, E Sheehy M, Ortiz G, S Ogg G, Barbour JD, Lenz J, Steinfeld AD, Nixon DF. Detection of T lymphocytes specific for human endogenous retrovirus K (HERV-K) in patients with seminoma. AIDS Res Hum Retroviruses. 2006 Jan; 22(1):52-6. PMID: 16438646.
      View in: PubMed
    6. Plana M, Garcia F, Oxenius A, Ortiz G, Lopez A, Cruceta A, Mestre G, Fumero E, Fagard C, Sambeat MA, Segura F, Miró JM, Arnedo M, Lopalcos L, Pumarola T, Hirschel B, Phillips RE, Nixon DF, Gallart T, Gatell JM. Relevance of HIV-1-specific CD4+ helper T-cell responses during structured treatment interruptions in patients with CD4+ T-cell nadir above 400/mm3. J Acquir Immune Defic Syndr. 2004 Jul 01; 36(3):791-9. PMID: 15213562.
      View in: PubMed
    7. Alexander TH, Ortiz G, Wellons MF, Allen A, Grace EJ, Schweighardt B, Brancato J, Sandberg JK, Furlan SN, Miralles GD, Nixon DF, Bartlett JA. Changes in CD4+ T-cell differentiation phenotype during structured treatment interruption in patients with chronic HIV-1 infection. J Acquir Immune Defic Syndr. 2003 Dec 15; 34(5):475-81. PMID: 14657757.
      View in: PubMed
    8. Karlsson AC, Deeks SG, Barbour JD, Heiken BD, Younger SR, Hoh R, Lane M, Sällberg M, Ortiz G, Demarest JF, Liegler T, Grant RM, Martin JN, Nixon DF. Dual pressure from antiretroviral therapy and cell-mediated immune response on the human immunodeficiency virus type 1 protease gene. J Virol. 2003 Jun; 77(12):6743-52. PMID: 12767994; PMCID: PMC156163.
    9. García F, Plana M, Arnedo M, Ortiz G, Miró JM, Lopalco L, Lori F, Pumarola T, Gallart T, Gatell JM. A cytostatic drug improves control of HIV-1 replication during structured treatment interruptions: a randomized study. AIDS. 2003 Jan 03; 17(1):43-51. PMID: 12478068.
      View in: PubMed
    10. Schweighardt B, Ortiz G, Grant RM, Wellons M, Miralles GD, Kostrikis LG, Bartlett JA, Nixon DF. Emergence of drug-resistant HIV-1 variants in patients undergoing structured treatment interruptions. AIDS. 2002 Nov 22; 16(17):2342-4. PMID: 12441810.
      View in: PubMed
    11. Ortiz G, Hu J, Goldwitz JA, Chandwani R, Larsson M, Bhardwaj N, Bonhoeffer S, Ramratnam B, Zhang L, Markowitz MM, Nixon DF. Residual viral replication during antiretroviral therapy boosts human immunodeficiency virus type 1-specific CD8+ T-cell responses in subjects treated early after infection. J Virol. 2002 Jan; 76(1):411-5. PMID: 11739706; PMCID: PMC135693.
    12. Ortiz G, Wellons M, Brancato J, Vo HT, Zinn RL, Clarkson DE, Van Loon K, Bonhoeffer S, Miralles GD, Montefiori D, Bartlett JA, Nixon DF. Structured antiretroviral treatment interruptions in chronically HIV-1-infected subjects. Proc Natl Acad Sci U S A. 2001 Nov 06; 98(23):13288-93. PMID: 11687611; PMCID: PMC60863.
    13. García F, Plana M, Ortiz G, Bonhoeffer S, Soriano A, Vidal C, Cruceta A, Arnedo M, Gil C, Pantaleo G, Pumarola T, Gallart T, Nixon DF, Miró JM, Gatell JM. The virological and immunological consequences of structured treatment interruptions in chronic HIV-1 infection. AIDS. 2001 Jun 15; 15(9):F29-40. PMID: 11416735.
      View in: PubMed
    14. Bonhoeffer S, Rembiszewski M, Ortiz G, Nixon DF. Risks and benefits of structured antiretroviral drug therapy interruptions in HIV-1 infection. AIDS. 2000 Oct 20; 14(15):2313-22. PMID: 11089619.
      View in: PubMed
    15. Papasavvas E, Ortiz G, Gross R, Sun J, Moore EC, Heymann JJ, Moonis M, Sandberg JK, Drohan LA, Gallagher B, Shull J, Nixon DF, Kostman JR, Montaner LJ. Enhancement of human immunodeficiency virus type 1-specific CD4 and CD8 T cell responses in chronically infected persons after temporary treatment interruption. J Infect Dis. 2000 Sep; 182(3):766-75. PMID: 10950770.
      View in: PubMed
    16. Binley JM, Schiller DS, Ortiz G, Hurley A, Nixon DF, Markowitz MM, Moore JP. The relationship between T cell proliferative responses and plasma viremia during treatment of human immunodeficiency virus type 1 infection with combination antiretroviral therapy. J Infect Dis. 2000 Apr; 181(4):1249-63. PMID: 10762561.
      View in: PubMed
    17. Ortiz G, Nixon DF, Trkola A, Binley J, Jin X, Bonhoeffer S, Kuebler PJ, Donahoe SM, Demoitie MA, Kakimoto WM, Ketas T, Clas B, Heymann JJ, Zhang L, Cao Y, Hurley A, Moore JP, Ho DD, Markowitz M. HIV-1-specific immune responses in subjects who temporarily contain virus replication after discontinuation of highly active antiretroviral therapy. J Clin Invest. 1999 Sep; 104(6):R13-8. PMID: 10491418; PMCID: PMC408442.
    18. Gabriel M. Ortiz and David Graham. “Acinetobacter in military personnel.” Case vignette as part of www.antimicrobe.org.
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