Dr. Ron E. Kastner is an internist in Plainview, New York and is affiliated with Plainview Hospital at Northwell Health. He received his medical degree from New York University Grossman School of Medicine and has been in practice for more than 20 years. Dr. Ron E. Kastner has expertise in treating coronary artery disease, hypertension & high blood pressure, diabetes, among other conditions - see all areas of expertise. Dr. Ron E. Kastner accepts Medicare, Aetna, Humana, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Ron E. Kastner is highly recommended by patients.