Dr. Mark S. Reginato is an internist in Danville, California and is affiliated with multiple hospitals in the area, including Alta Bates Summit Medical Center-Berkeley and John Muir Health-Walnut Creek Medical Center. He received his medical degree from Georgetown University School of Medicine and has been in practice for more than 20 years. Dr. Mark S. Reginato has expertise in treating coronary artery disease, hypertension & high blood pressure, diabetes, among other conditions - see all areas of expertise. Dr. Mark S. Reginato accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Mark S. Reginato is highly recommended by patients.