RichardBartonDayMD

Internal Medicine • Oceanside, CA

Hospital Medicine/Hospitalist

Physician

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Office
3156 Vista Way
405
Oceanside, CA 92056
Phone+1 760-439-6581

Fax+1 760-940-4050
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Summary

Dr. Richard Day, MD is a board certified internist in Oceanside, California. He is currently licensed to practice medicine in California and Tennessee. He is affiliated with Tri-City Medical Center and St. Mary Medical Center Long Beach.

Education & Training

University of California (San Diego) Medical CenterInternship, Internal Medicine, 1987 - 1988
University of Texas Southwestern Medical SchoolClass of 1987

Certifications & Licensure

CA State Medical License 1988 - 2026
TN State Medical License 2023 - 2025
American Board of Internal Medicine Internal Medicine

Publications & Presentations

PubMed

33 citations
HIV-Nef Protein Persists in the Lungs of Aviremic Patients with HIV and Induces Endothelial Cell Death.
Sarvesh Chelvanambi, Natalia V. Bogatcheva, Mariola Bednorz, Stuti Agarwal, Bernhard Maier, Nathan J. Alves, Wei Li, Farooq Syed, Manal Mohamed Saber, Noelle Dahl, Hon...> ;American Journal of Respiratory Cell and Molecular Biology. 2019 Mar 1
70 citations
Effect of Advanced HIV Infection on the Respiratory Microbiome
Homer L. Twigg, Kenneth S. Knox, Jin Zhou, Kristina Crothers, David E. Nelson, Evelyn Toh, Richard B. Day, Huaiying Lin, Xiang Gao, Qunfeng Dong, Deming Mi, Barry P. K...> ;American Journal of Respiratory and Critical Care Medicine. 2016 Jul 15
20 citations
Measurement of antiretroviral drugs in the lungs of HIV-infected patients
Homer L. Twigg, Carol T. Schnizlein-Bick, Michael D. Weiden, Fred T. Valentine, Joseph Wheat, Richard B. Day, Helen Rominger, Lu Zheng, Ronald G. Collman, Robert W. Co...> ;HIV Therapy. 2010 Mar 1
43 citations
Effect of highly active antiretroviral therapy on viral burden in the lungs of HIV-infected subjects
Homer L. Twigg, Michael D. Weiden, Fred T. Valentine, Carol T. Schnizlein Bick, Roland L. Bassett, Lu Zheng, Joseph Wheat, Richard B. Day, Helen Rominger, Ronald G. Co...> ;The Journal of Infectious Diseases. 2008 Jan 1
22 citations
Lung Fluid Immunoglobulin from HIV-Infected Subjects Has Impaired Opsonic Function against Pneumococci
Roger Eagan, Homer L. Twigg, Neil French, Janelisa Musaya, Richard B. Day, Eduard E. Zijlstra, Helen Tolmie, David Wyler, Malcolm E. Molyneux, Stephen B. Gordon> ;Clinical Infectious Diseases. 2007 Jun 15
4 citations
Functional Impairment of CD4 T Cells despite Normalization of T Cell Number in HIV
Kenneth S. Knox, Richard B. Day, Lisa M. Kohli, Homer L. Twigg, Chadi A. Hage> ;Cellular Immunology. 2006 Jul 1
12 citations
Apoptosis of CD57+ and CD57- lymphocytes in the lung and blood of HIV-infected subjects.
Karen L. Wood, Kenneth S. Knox, Y. Wang, Richard B. Day, Carol T. Schnizlein-Bick, Homer L. Twigg> ;Clinical Immunology. 2005 Dec 1
2 citations
Macrophages exposed to lymphotropic and monocytotropic HIV induce similar CTL responses despite differences in productive infection.
Kenneth S. Knox, Richard B. Day, Karen L. Wood, Lisa L. Kohli, Brian H. Foresman, Carol T. Schnizlein-Bick, Homer L. Twigg, Chadi A. Hage> ;Cellular Immunology. 2004 Jun 1
16 citations
Alveolar macrophages from HIV-infected subjects are resistant to Mycobacterium tuberculosis in vitro.
Richard B. Day, Y. Wang, Kenneth S. Knox, Rajamouli Pasula, William J. Martin, Homer L. Twigg> ;American Journal of Respiratory Cell and Molecular Biology. 2004 Mar 1
22 citations
Pulmonary Immunoglobulin Responses to Streptococcus pneumoniae Are Altered but Not Reduced in Human Immunodeficiency Virus–Infected Malawian Adults
Stephen B. Gordon, David E. Miller, Richard B. Day, Tom Ferry, David S. Wilkes, Carol T. Schnizlein-Bick, Eduard E. Zijlstra, Robert C. Read, Malcolm E. Molyneux, Home...> ;The Journal of Infectious Diseases. 2003 Sep 1
14 citations
Measurements of HIV Viral Loads From Different Levels of the Respiratory Tract
Karen L. Wood, P Chaiyarit, Richard B. Day, Y. Wang, Carol T. Schnizlein-Bick, Richard L. Gregory, Homer L. Twigg> ;Chest. 2003 Aug 1
151 citations
Histoplasmosis after treatment with anti-tumor necrosis factor-α therapy
Karen L. Wood, Kenneth S. Knox, Martin B. Kleiman, Aruna Sannuti, Richard B. Day, L. Joseph Wheat, Homer L. Twigg, Chadi A. Hage> ;American Journal of Respiratory and Critical Care Medicine. 2003 May 1
Differential regulation of sphingosine-1-phosphate- and VEGF-induced endothelial cell chemotaxis. Involvement of G(ialpha2)-linked Rho kinase activity.
Liu F, Verin AD, Wang P, Day R, Wersto RP, Chrest FJ, English DK, Garcia JG> ;Am. J. Respir. Cell Mol. Biol.. 2001-06-01
81 citations
Lymphocytic alveolitis, bronchoalveolar lavage viral load, and outcome in human immunodeficiency virus infection.
Homer L. Twigg, Diaa M. Soliman, Richard B. Day, Kenneth S. Knox, Rodney J. Anderson, David S. Wilkes, Carol T. Schnizlein-Bick> ;American Journal of Respiratory and Critical Care Medicine. 1999 Jan 1
Daytime CPAP titration: a viable alternative for patients with severe obstructive sleep apnea.
Rosenthal L, Nykamp K, Guido P, Syron ML, Day R, Rice M, Roth T> ;Chest. 1998-10-01
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Hospital Affiliations

Tri-City Medical CenterOceanside, California
St. Mary Medical Center Long BeachLong Beach, California