Dr. Alex A. Aslan 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 Ponce Health Sciences University and has been in practice for more than 20 years. Dr. Alex A. Aslan has expertise in treating colonoscopy, upper gi endoscopy, gastroenteritis, among other conditions - see all areas of expertise. Dr. Alex A. Aslan accepts Medicare, Aetna, Humana, Blue Cross - see other insurance plans accepted.