Dr. John M. Provenza is a gastroenterologist in Shreveport, Louisiana and is affiliated with multiple hospitals in the area, including Christus Health Shreveport-Bossier, Willis-Knighton Medical Center and Shreveport Endoscopy Center. He received his medical degree from LSU School of Medicine in Shreveport and has been in practice for more than 20 years. Dr. John M. Provenza has expertise in treating colonoscopy, upper gi endoscopy, gastroenteritis, among other conditions - see all areas of expertise. Dr. John M. Provenza accepts Medicare, Aetna, Humana, Blue Cross - see other insurance plans accepted.