Dr. John Siever graduated the medical school from the University of Chicago Pritzker School of Medicine in 1976. He completed his residency program at the St Joseph's Hospital and Medical Center and his fellowship at the Edward Hines Jr VA Hospital. He is specialized in pulmonology and board certified in internal medicine and pulmonary disease. Dr. Siever has been practicing medicine for more than 20 years and is affiliated with several hospitals, including the Abrazo Central Campus and Arizona Heart Hospital.