Dr. Armstrong is on Doximity
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Office
128 West Belt Line Rd
Suite 1
Cedar Hill, TX 75104Phone+1 800-218-8989
Education & Training
University of Texas Health Science Center at HoustonInternship, Internal Medicine, 1983 - 1984
University of Texas Southwestern Medical SchoolClass of 1983
Certifications & Licensure
TX State Medical License 1983 - 2025
TN State Medical License 1985 - 1994
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