Dr. Mark B. Schiffer is a cardiologist in New York, New York and is affiliated with Lenox Hill Hospital at Northwell Health. He received his medical degree from McGaw Medical Center of Northwestern University and has been in practice for more than 20 years. Dr. Mark B. Schiffer has expertise in treating coronary artery disease, hypertension & high blood pressure, aneurysm, among other conditions - see all areas of expertise. Dr. Mark B. Schiffer accepts Medicare, Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Mark B. Schiffer is highly recommended by patients.