Dr. Kenneth B. Schaefer is an internist in New York, New York and is affiliated with multiple hospitals in the area, including Mount Sinai Morningside and Mount Sinai West Hospitals and NYU Langone Hospitals. He received his medical degree from Icahn School of Medicine at Mount Sinai and has been in practice for more than 20 years. Dr. Kenneth B. Schaefer has expertise in treating coronary artery disease, kidney disease, hypertension & high blood pressure, among other conditions - see all areas of expertise. Dr. Kenneth B. Schaefer accepts Medicare, Aetna, Humana, Cigna, Blue Cross - see other insurance plans accepted.