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7515 Greenville AveSuite 600Dallas, TX 75231
Phone+1 214-361-5432
Fax+1 214-363-8710
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Summary
- Dr. Mark Johnston, MD is a board certified internist in Dallas, Texas. He is currently licensed to practice medicine in Texas.
Education & Training
- University of Arizona College of Medicine-PhoenixResidency, Internal Medicine, 1986 - 1987
- University of Arizona College of Medicine-PhoenixInternship, Internal Medicine, 1984 - 1985
- University of Texas Southwestern Medical SchoolClass of 1984
Certifications & Licensure
- TX State Medical License 1987 - 2026
- American Board of Internal Medicine Internal Medicine