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Office
150 E Sonterra Blvd
Suite 170
San Antonio, TX 78258Phone+1 210-481-2800Fax+1 210-481-2834
Education & Training
San Antonio Uniformed Services Health Education ConsortiumFellowship, Infectious Disease, 1984 - 1986- San Antonio Uniformed Services Health Education ConsortiumResidency, Internal Medicine, 1981 - 1984
Louisiana State University School of Medicine in New OrleansClass of 1981
Certifications & Licensure
TX State Medical License 1988 - 2025- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Infectious Disease
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification Practice Fusion EHR, Practice Fusion, Inc., 2011, 2013
- Super Doctor SuperDoctors.com
- Top MD Consumers Checkbook
Publications & Presentations
PubMed
- 109 citationsNosocomial Legionnaires' disease: aspiration as a primary mode of disease acquisition.Stephen P. Blatt, Michael D. Parkinson, Elizabeth Pace, Patricia Hoffman, Donna M. Dolan
The American Journal of Medicine. 1993-07-01 - 133 citationsSpectrum of cerebrospinal fluid findings in various stages of human immunodeficiency virus infection.Douglas W. Marshall, Robin L. Brey, William T. Cahill, Richard W. Houk, Robert A. Zajac
Archives of Neurology. 1988-09-01 - 183 citationsInterleukin-2 production used to detect antigenic peptide recognition by T-helper lymphocytes from asymptomatic HIV-seropositive individuals.Mario Clerici, N I Stocks, Robert A. Zajac, R. Neal Boswell, Denise C. Bernstein
Nature. 1989-06-01
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