His clinical interests include sinusitis (sinus infection), tonsilitis, and ear infection. His professional affiliations include Children's Health (Texas), Texas Health Dallas, and UT Southwestern Medical Center. Dr. Johnson attended MCP Hahnemann School of Medicine and subsequently trained at a hospital affiliated with Baylor College of Medicine for residency. He is an in-network provider for several insurance carriers, including Blue Cross/Blue Shield, Blue Choice, and Blue Cross Blue Shield Bronze. He has received distinctions including D Magazine Best Doctors; Herbert Silverstein Otology/Neurotology Research Award; and Research grant to study genetic mutations in patients with hearing loss.