Dr. Johnston is on Doximity
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Office
1500 Red River Street
Austin, TX 78701Phone+1 512-324-7000
Education & Training
- University of California (San Francisco)Residency, Internal Medicine, 1995 - 1999
- University of California San Francisco School of MedicineClass of 1995
Certifications & Licensure
- CA State Medical License 1997 - 2026
- TX State Medical License 2014 - 2025
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Hospice and Palliative Medicine
Publications & Presentations
PubMed
- 1 citationsDeveloping a Transitions of Care Elective for Medical Students during the COVID-19 Pandemic and Beyond.Sherine Salib, Abi Amadin, W Michael Brode, Clarissa Johnston, Snehal Patel
Southern Medical Journal. 2021-08-01 - 8 citationsGlobal health on the front lines: an innovative medical student elective combining education and service during the COVID-19 pandemic.Brandon S. A. Altillo, Megan Gray, Swati B. Avashia, Aliza Norwood, Elizabeth A. Nelson
BMC Medical Education. 2021-03-27 - 100 citationsHead Computed Tomography Findings Predict Short-Term Stroke Risk After Transient Ischemic AttackVanja C. Douglas, Clarissa Johnston, Jacob S. Elkins, Stephen Sidney, Daryl R. Gress
Stroke. 2003-12-01
Professional Memberships
- Member
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