His hospital/clinic affiliations include the University of South Florida (USF) Health and James A. Haley Veterans' Hospital (JAHVH). Dr. Armstrong honors Blue Cross Blue Shield EPO, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield HMO, in addition to other insurance carriers. New patients are welcome to contact his office for an appointment. He attended medical school at Nova Southeastern University, College of Osteopathic Medicine. His distinctions include: Gore Award Resident Competition, Florida Vascular Society; Outstanding Resident Teacher in Surgery, University of South Florida; and First Place, Helen Popaway Award Resident Research Conference.