Dr. John Robert Marietta is a Internal Medicine and General Physician in Austin 78705, AUSTIN and has an experience of 49 years in these fields. Dr. John Robert Marietta practices at Saint Davids Medical Center in Austin 78705, AUSTIN and Saint Davids Medical Center Inpatient Rehab Hospital in Austin 78705, AUSTIN. He completed Medical School from Baylor College of Medicine in 1977 and Medical Education from Taylor University in 1977. Some of the services provided by the doctor are: Hypothyroidism,Anemia Treatment,ANEMIA,COPD (Chronic Obstructive Pulmonary Disease) and chest pain etc.