Dr. Asaf Klein is a rheumatologist in Hewlett, New York and is affiliated with multiple hospitals in the area, including Mercy Hospital-Rockville Centre and Long Island Jewish Medical Center at Northwell Health. He received his medical degree from State University of New York Downstate Medical Center College of Medicine and has been in practice between 11-20 years. Dr. Asaf Klein has expertise in treating arthritis, rheumatoid arthritis, among other conditions - see all areas of expertise. Dr. Asaf Klein accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Asaf Klein is highly recommended by patients.