John J. Seidenfeld, M.D.
Dr. John J. Seidenfeld is an Internal Medicine specialist and a Pulmonary Disease physician in San Antonio, Texas with over 40 years of diverse experience. He attended and graduated from the University of Cincinnati College of Medicine in 1972 and completed his residency and fellowship at the University of Iowa in 1977. He received a Masters in Health Care Administration from Trinity University. During his long and distinguished career, Dr. Seidenfeld operated his own private practice and worked at many hospitals and clinics including Methodist Health Care Systems in San Antonio, TX, where he was most recently a pulmonary and critical care physician. He also served as the Medical Director for several health insurance providers including Anthem Central Region, Wellpoint and Blue Cross, Blue Shield of Missouri. In addition, he also spent more than 20 years as a professor and clinical supervisor for medical students at various educational institutions, including the University of Arizona Health Science Center and the University of Texas at San Antonio. Dr. Seidenfeld has over forty professional publications in the field of pulmonary medicine.