Dr. William Patrick Johnson, MD

Dr. William Johnson is an internal medicine specialist with an impressive 55-year career dedicated to patient care. They earned their medical degree from the University of Missouri Columbia School of Medicine and completed residency training at the University of Maryland Medical System. Throughout their extensive practice, Dr. Johnson has developed particular expertise in substance use disorders and addiction medicine. They are fluent in both English and Spanish, allowing them to serve a diverse patient population.

Dr. Johnson practices at Banner University Medical Center South and maintains offices in Tucson and Oracle, Arizona. They specialize in treating complex conditions including substance use disorders, teen addiction issues, and heroin dependency. Their clinical skills include performing toxicology testing and managing specialized medical devices such as autoinjectors and insulin delivery systems. Patients consistently recognize the quality of care Dr. Johnson provides, rating …their services at 5.0 out of 5 stars.