Dr. Atul T. Roy is a nephrologist in Merced, California and is affiliated with multiple hospitals in the area, including Mercy Medical Center Merced and Emanuel Medical Center-Turlock. He received his medical degree from American University of the Caribbean School of Medicine and has been in practice for more than 20 years. Dr. Atul T. Roy has expertise in treating kidney disease, among other conditions - see all areas of expertise. Dr. Atul T. Roy accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted.