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18707 Hardy Oak BlvdSte 210San Antonio, TX 78258
Phone+1 210-593-2500
Fax+1 210-593-2501
Dr. Johnston is on Doximity
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Education & Training
University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of MedicineFellowship, Surgical Critical Care, 2003 - 2004
Rutgers Health/New Jersey Medical SchoolResidency, Surgery, 1997 - 2002- The University of Texas Health Science Center at San AntonioClass of 1997
Certifications & Licensure
TX State Medical License 2005 - 2025
IL State Medical License 2004 - 2014
American Board of Surgery Surgery- American Board of Surgery Surgical Critical Care
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification eClinicalWorks EHR, eClinicalWorks LLC, 2012-2013
- Top MD Consumers Checkbook
- Fellow (FACS) American College of Surgeons
Press Mentions
Westmont Search Selected to Lead Chief Nursing Officer Search for Essentia HealthJune 26th, 2020
Professional Memberships
- Member
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