Dr. David N. Varon is a gastroenterologist in Concord, California and is affiliated with multiple hospitals in the area, including John Muir Health-Concord Medical Center and John Muir Health-Walnut Creek Medical Center. He received his medical degree from Istanbul University Faculty of Medicine and has been in practice for more than 20 years. Dr. David N. Varon has expertise in treating colonoscopy, upper gi endoscopy, gastroenteritis, among other conditions - see all areas of expertise. Dr. David N. Varon accepts Medicare, Aetna, Humana, Blue Cross - see other insurance plans accepted. Dr. David N. Varon is highly recommended by patients.